Tela preta após a inicialização dupla Ubuntu / MacOS -- dual-boot campo com grub2 campo com amd-graphics campo com macosx campo com refind camp askubuntu Relacionado O problema

black screen after dual boot ubuntu / macos


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problema

português

Eu tenho um I-Mac 2010 com a MacOS High Sierra instalada nela. Eu queria instalar uma bota dupla com o Ubuntu 20.04.1, então eu segui o tutorial Como instalar e dupla inicialização Linux e MacOS mas com a imagem de desktop 20.04.

Eu tive que usar nomodeset para inicializar no USB, mas todo o resto estava funcionando bem. Eu instalei a versão completa sem atualizações. No entanto, após a reinicialização da recorda não estava aparecendo e eu não conseguia ficar grub. Em vez disso, eu tenho uma estática _ no centro da tela, e depois de algum tempo se torna completamente preto.

Eu não posso obter macos porque quando eu reinoiro eu recebo diretamente a tela preta e nenhum menu GRUB para inicializar no modo gráfico seguro. Eu tentei usar ctrl alt e f1 para f12 , sem resultado. Eu também tentei pressionar escape , shift e espaço , mas nada aconteceu. Eu não sei como posso instalar meus drivers gráficos de nada.

Às vezes eu também recebo uma mensagem semelhante à uma em " dev / sda1: limpo, ... "Esta mensagem aparece depois de iniciar meu laptop, então não continuará inicializando entre o sublinhado e a tela preta, mas eu Não foi possível obter o exato, ele desaparece muito rapidamente, como após 3 segundos.

Cartão Gráfico: Ati Radeon HD 4670 256 Mo.

Obrigado pela sua ajuda, me pergunte mais se necessário, desculpe também pelo meu inglês terrível.

Além disso, eu já vi esta postagem Meu computador botas para uma tela preta, quais opções eu tenho que consertar isso? e não está ajudando.

Editar: agora posso arrancar macacos, porque a referência está agora aparecendo, mas se eu escolher o Ubuntu, ele começa de novo e eu tenho que obter macos por sorte. Talvez isso abre possibilidades? Eu tentei usar ssh, mas não é pré-instalado eu acho. Eu também posso arrancar no meu USB agora

editar 2 logs de reparo de inicialização

  boot-repair-4ppa125                                              [20200925_1624]  ============================= Boot Repair Summary ==============================    Default settings: ______________________________________________________________  The default repair of the Boot-Repair utility would purge (in order to sign-grub) and reinstall the grub-efi-amd64-signed of sda3, using the following options:        sda1/boot/efi, Additional repair would be performed: unhide-bootmenu-10s  use-standard-efi-file  restore-efi-backups    Final advice in case of suggested repair: ______________________________________   Please do not forget to make your UEFI firmware boot on the Ubuntu 20.04.1 LTS entry (sda1/efi/****/shim****.efi (**** will be updated in the final message) file) ! You may also want to install Refind. (https://help.ubuntu.com/community/ubuntupreciseon2011imac)  User settings: _________________________________________________________________  Error: Both the primary and backup GPT tables are corrupt.  Try making a fresh table, and using Parted's rescue feature to recover partitions. sdd may have broken partition table. The settings chosen by the user will purge (in order to unsign-grub) and reinstall the grub-efi of sda3, using the following options:        sda1/boot/efi, Additional repair will be performed: unhide-bootmenu-10s  use-standard-efi-file  restore-efi-backups   /boot/efi added in sda3/fstab rm /mnt/boot-sav/sda1/efi/Boot/bootx64.efi mv /mnt/boot-sav/sda1/efi/Boot/bkpbootx64.efi /mnt/boot-sav/sda1/efi/Boot/bootx64.efi Mount sda1 on /mnt/boot-sav/sda3/boot/efi chroot /mnt/boot-sav/sda3 apt-get -y update Purge the GRUB of sda3 grub-efi available Lecture des listes de paquets⊠Construction de l'arbre des dépendancesâŠSET@_progressbar1.pulse()  Lecture des informations d'état⊠Le paquet suivant a été installé automatiquement et n'est plus nécessaire : shim Veuillez utiliser « sudo apt autoremove » pour le supprimer. 0 mis à jour, 0 nouvellement installés, 1 réinstallés, 0 à enlever et 193 non mis à jour. Il est nécessaire de prendre 2â¯588 o dans les archives. AprÚs cette opération, 0 o d'espace disque supplémentaires seront utilisés. Réception de :1 http://fr.archive.ubuntu.com/ubuntu focal-updates/main amd64 grub-efi amd64 2.04-1ubuntu26.4 [2â¯588 B] 2â¯588 o réceptionnés en 0s (39,0 ko/s) Téléchargement achevé et dans le mode téléchargement uniquement DEBCHECK debOK, grub-efi DEBCHECK debOK shim-signed available Please type: sudo chroot "/mnt/boot-sav/sda3" dpkg --configure -ansudo chroot "/mnt/boot-sav/sda3" apt-get install -fynsudo chroot "/mnt/boot-sav/sda3" apt-get purge -y grub*-common shim-signed Then type: sudo chroot "/mnt/boot-sav/sda3" apt-get install -y grub-efi Then type: sudo chroot "/mnt/boot-sav/sda3" apt-get install -y grub-efi  Unhide GRUB boot menu in sda3/etc/default/grub  ======================== Reinstall the grub-efi of sda3 ========================  grub-install --version grub-install (GRUB) 2.04-1ubuntu26.4  efibootmgr -v from chroot before grub install BootCurrent: 0080 Timeout: 5 seconds BootOrder: 0080,0000,0004,0003,0002,0001 Boot0000* ubuntu    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIubuntugrubx64.efi) Boot0001* ç°æ±¡Â°    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒÍ..x...x...x...x...x...x...x...x...x...m.>-.. Boot0002* è§ç°æ±¡Â° HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒÍ...ZZ.......#....s..n&...F...1.T......PA...@...=...F......Y.Sv$..xu...f....h...phd0.. Boot0003* á°¶ç°æ±¡Â°    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒÍ.fj.......z.a !=.....r...NJ.Fg..V.....|R...#v..........s.$.>.P........z^q.d.X..phd0.. Boot0004* ï£ç°æ±¡Â° HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒÍ...]T{@C........d....).m.....!.#..g...m..f.2....#.gr>....v.CQG....sx.U[/..eP"..lphd0.. Boot0080* Mac OS X  HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindrefind_x64.efi) BootFFFF*   PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0,0,0)/HD(2,GPT,d466d600-e98b-445c-827c-1e5f1f8aed31,0x64028,0x3a3316b0)/File(SystemLibraryCoreServicesboot.efi)  uname -r 5.4.0-42-generic  grub-install --efi-directory=/boot/efi --target=x86_64-efi --no-uefi-secure-boot Installing for x86_64-efi platform. Installation finished. No error reported. Refind detected on sda1 df /dev/sda1 mv /mnt/boot-sav/sda3/boot/efi/EFI/Boot/bootx64.efi /mnt/boot-sav/sda3/boot/efi/EFI/Boot/bkpbootx64.efi cp /mnt/boot-sav/sda3/boot/efi/EFI/ubuntu/grubx64.efi /mnt/boot-sav/sda3/boot/efi/EFI/Boot/bootx64.efi  grub-install --efi-directory=/boot/efi --target=x86_64-efi --no-uefi-secure-boot Installing for x86_64-efi platform. Installation finished. No error reported.  efibootmgr -v from chroot after grub install BootCurrent: 0080 Timeout: 5 seconds BootOrder: 0000,0080,0004,0003,0002,0001 Boot0000* ubuntu    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIubuntugrubx64.efi) Boot0001* ç°æ±¡Â°    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒ~@..x...x...x...x...x...x...x...x...x...m.>-.. Boot0002* è§ç°æ±¡Â° HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒ~@...ZZ.......#....s..n&...F...1.T......PA...@...=...F......Y.Sv$..xu...f....h...phd0.. Boot0003* á°¶ç°æ±¡Â°    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒ~@.fj.......z.a !=.....r...NJ.Fg..V.....|R...#v..........s.$.>.P........z^q.d.X..phd0.. Boot0004* ï£ç°æ±¡Â° HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒ~@...]T{@C........d....).m.....!.#..g...m..f.2....#.gr>....v.CQG....sx.U[/..eP"..lphd0.. Boot0080* Mac OS X  HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindrefind_x64.efi) BootFFFF*   PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0,0,0)/HD(2,GPT,d466d600-e98b-445c-827c-1e5f1f8aed31,0x64028,0x3a3316b0)/File(SystemLibraryCoreServicesboot.efi)  chroot /mnt/boot-sav/sda3 update-grub Sourcing file `/etc/default/grub' Sourcing file `/etc/default/grub.d/init-select.cfg' Generating grub configuration file ... Found linux image: /boot/vmlinuz-5.4.0-47-generic Found initrd image: /boot/initrd.img-5.4.0-47-generic Found linux image: /boot/vmlinuz-5.4.0-42-generic Found initrd image: /boot/initrd.img-5.4.0-42-generic grub-probe: error: cannot find a GRUB drive for /dev/sdc1.  Check your device.map.  Unhide GRUB boot menu in sda3/boot/grub/grub.cfg  Une erreur est survenue pendant la réparation.  Vous pouvez maintenant redémarrer votre ordinateur.  N'oubliez pas de faire démarrer votre firmware UEFI sur l'entrée Ubuntu 20.04.1 LTS (fichier sda1/EFI/ubuntu/grubx64.efi) ! Vous souhaiterez peut-être aussi installer Refind. (https://help.ubuntu.com/community/ubuntupreciseon2011imac)  ============================ Boot Info After Repair ============================   => No boot loader is installed in the MBR of /dev/sda.  sda1: __________________________________________________________________________      File system:       vfat     Boot sector type:  Unknown     Boot sector info:  According to the info in the boot sector, sda1 starts                         at sector 0. But according to the info from fdisk,                         sda1 starts at sector 40.     Operating System:       Boot files:        /EFI/refind/refind.conf /efi/BOOT/bkpbootx64.efi                         /efi/BOOT/bootx64.efi /efi/BOOT/fbx64.efi                         /efi/BOOT/grubx64.efi /efi/BOOT/mmx64.efi                         /efi/refind/refind_x64.efi /efi/tools/gptsync_x64.efi                         /efi/ubuntu/grubx64.efi /efi/ubuntu/mmx64.efi                         /efi/ubuntu/shimx64.efi /efi/ubuntu/grub.cfg  sda2: __________________________________________________________________________      File system:       hfsplus     Boot sector type:  -     Boot sector info:      Operating System:       Boot files:          sda3: __________________________________________________________________________      File system:       ext4     Boot sector type:  -     Boot sector info:      Operating System:  Ubuntu 20.04.1 LTS     Boot files:        /boot/grub/grub.cfg /etc/fstab /etc/default/grub  sdc: ___________________________________________________________________________      File system:       iso9660     Boot sector type:  Unknown     Boot sector info:      Mounting failed:   mount: /mnt/BootInfo/FD/sdc: /dev/sdc déjà monté ou point de montage actif.  sdd: ___________________________________________________________________________      File system:       vfat     Boot sector type:  FAT32     Boot sector info:  No errors found in the Boot Parameter Block.     Operating System:       Boot files:           ================================ 1 OS detected =================================  OS#1:   Ubuntu 20.04.1 LTS on sda3  ============================ Architecture/Host Info ============================  CPU architecture: 64-bit Live-session OS is Ubuntu 64-bit (Ubuntu 20.04.1 LTS, focal, x86_64)   ===================================== UEFI =====================================  BIOS is EFI-compatible, and is setup in EFI-mode for this live-session.  efibootmgr -v BootCurrent: 0080 Timeout: 5 seconds BootOrder: 0080,0000,0004,0003,0002,0001 Boot0000* ubuntu    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIubuntugrubx64.efi) Boot0001* ç°æ±¡Â°    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFI efindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒ;..x...x...x...x...x...x...x...x...x...m.>-.. Boot0002* è§ç°æ±¡Â° HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFI efindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒ;...ZZ.......#....s..n&...F...1.T......PA...@...=...F......Y.Sv$..xu...f....h...phd0.. Boot0003* á°¶ç°æ±¡Â°    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFI efindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒ;.fj.......z.a !=.....r...NJ.Fg..V.....|R...#v..........s.$.>.P........z^q.d.X..phd0.. Boot0004* ï£ç°æ±¡Â° HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFI efindçæææ€æžæåŒç ããâžæææ€â°çäää€æžæâäæŒ;...]T{@C........d....).m.....!.#..g...m..f.2....#.gr>....v.CQG....sx.U[/..eP"..lphd0.. Boot0080* Mac OS X  HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFI efind efind_x64.efi) BootFFFF*   PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0,0,0)/HD(2,GPT,d466d600-e98b-445c-827c-1e5f1f8aed31,0x64028,0x3a3316b0)/File(SystemLibraryCoreServicesoot.efi)  5ddf4e6b08573a930d20bf88138f9b91   sda1/BOOT/bootx64.efi bed45d1c9554cea09924d3814cb7c446   sda1/BOOT/fbx64.efi 114bd85eec32e3162958ea034020821d   sda1/BOOT/grubx64.efi 4487628005555bfd4a4c0a47211e0700   sda1/BOOT/mmx64.efi 3bd017b6f456e16ab4ceabc6e126a31d   sda1/refind/refind_x64.efi ed0916ceb085aee474702bf7800d3611   sda1/tools/gptsync_x64.efi 5ddf4e6b08573a930d20bf88138f9b91   sda1/ubuntu/grubx64.efi 4487628005555bfd4a4c0a47211e0700   sda1/ubuntu/mmx64.efi f7a57b08bc7c1c85417ae4cea582d1d4   sda1/ubuntu/shimx64.efi 5783b82bc1dd7d612ca0447b737b35df   sda1/APPLE/EXTENSIONS/Firmware.scap f631b47dc2e2e427a8214458a9206fd7   sda1/APPLE/FIRMWARE/IM112.scap   ============================= Drive/Partition Info =============================  Disks info: ____________________________________________________________________  sda : is-GPT,   no-BIOSboot,    has---ESP,  not-usb,    not-mmc, has-os,    40 sectors * 512 bytes  Partitions info (1/3): _________________________________________________________  sda1    : no-os,    32, nopakmgr,   no-docgrub, nogrub, nogrubinstall,  no-grubenv, noupdategrub,   not-far sda2    : no-os,    32, nopakmgr,   no-docgrub, nogrub, nogrubinstall,  no-grubenv, noupdategrub,   farbios sda3    : is-os,    64, apt-get,    signed grub-efi ,   grub2,  grub-install,   grubenv-ng, update-grub,    farbios  Partitions info (2/3): _________________________________________________________  sda1    : is---ESP, part-has-no-fstab,  no-nt,  no-winload, no-recov-nor-hid,   no-bmgr,    notwinboot sda2    : isnotESP, part-has-no-fstab,  no-nt,  no-winload, no-recov-nor-hid,   no-bmgr,    notwinboot sda3    : isnotESP, fstab-has-goodEFI,  no-nt,  no-winload, no-recov-nor-hid,   no-bmgr,    notwinboot  Partitions info (3/3): _________________________________________________________  sda1    : not-sepboot,  no-boot,    part-has-no-fstab,  not-sep-usr,    no---usr,   part-has-no-fstab,  std-grub.d, sda sda2    : maybesepboot, no-boot,    part-has-no-fstab,  not-sep-usr,    with--usr,  part-has-no-fstab,  std-grub.d, sda sda3    : not-sepboot,  with-boot,  fstab-without-boot, not-sep-usr,    with--usr,  fstab-without-usr,  std-grub.d, sda  fdisk -l (filtered): ___________________________________________________________  Disk sda: 931.53 GiB, 1000204886016 bytes, 1953525168 sectors Disk identifier: BCFA5723-5FFA-4B2F-B533-FD6080528BDF           Start        End   Sectors   Size Type sda1         40     409639    409600   200M EFI System sda2     409640  976836311 976426672 465.6G Apple HFS/HFS+ sda3  977098752 1953260861 976162110 465.5G Microsoft basic data Disk sdc: 7.28 GiB, 7811891200 bytes, 15257600 sectors Disk identifier: 0x56f48570       Boot   Start      End Sectors  Size Id Type sdc1  *          0  5439487 5439488  2.6G  0 Empty sdc2       5017392  5025327    7936  3.9M ef EFI (FAT-12/16/32) sdc3       5439488 15257599 9818112  4.7G 83 Linux Disk sdd: 7.51 GiB, 8053063680 bytes, 15728640 sectors Disk identifier: 0x00000000  parted -lm (filtered): _________________________________________________________  sda:1000GB:scsi:512:4096:gpt:ATA WDC WD10EZEX-21W:; 1:20.5kB:210MB:210MB:fat32:EFI System Partition:boot, esp; 2:210MB:500GB:500GB:hfs+:Macintosh HD:; 3:500GB:1000GB:500GB:ext4::msftdata; sdc:7812MB:scsi:512:512:unknown: :; sdd:8053MB:scsi:512:512:loop:General UDisk:; 1:0.00B:8053MB:8053MB:fat32::;  blkid (filtered): ______________________________________________________________  NAME   FSTYPE   UUID                                 PARTUUID                             LABEL                    PARTLABEL sda                                                                                                                 ââsda1 vfat     67E3-17ED                            c71eee50-b98e-4ca5-9ce0-664c3167a722 EFI                      EFI System Partition ââsda2 hfsplus  8b7b66cd-36fd-33f8-a65f-9b3b6c6c99d7 d466d600-e98b-445c-827c-1e5f1f8aed31 hd                       Macintosh HD ââsda3 ext4     f8e7619c-6a1e-453b-b5db-d3ba48a3baef 79ff53d8-6ce9-4fcb-92b2-a049b0fd2f6c                           sdc    iso9660  2020-07-31-16-51-12-00                                                    Ubuntu 20.04.1 LTS amd64  ââsdc1 iso9660  2020-07-31-16-51-12-00               56f48570-01                          Ubuntu 20.04.1 LTS amd64  ââsdc2 vfat     C26E-047E                            56f48570-02                                                    ââsdc3 ext4     840c5bf3-00de-40a7-821e-d2c5dbf26033 56f48570-03                          writable                  sdd    vfat     AB36-A856                                                                                            df (filtered): _________________________________________________________________                                                            Avail Use% Mounted on disk/by-label/writable[/install-logs-2020-09-25.0/crash]   4.3G   1% /var/crash disk/by-label/writable[/install-logs-2020-09-25.0/log]     4.3G   1% /var/log sda1                                                     166.6M  15% /mnt/boot-sav/sda1 sda2                                                     437.5G   6% /mnt/boot-sav/sda2 sda3                                                       426G   2% /mnt/boot-sav/sda3 sdc1                                                          0 100% /cdrom sdd                                                        7.3G   2% /media/ubuntu/AB36-A856  Mount options: __________________________________________________________________  disk/by-label/writable[/install-logs-2020-09-25.0/crash] rw,relatime disk/by-label/writable[/install-logs-2020-09-25.0/log]   rw,relatime sda1                                                     rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro sda2                                                     ro,relatime,umask=22,uid=0,gid=0,nls=utf8 sda3                                                     rw,relatime sdc1                                                     ro,noatime,nojoliet,check=s,map=n,blocksize=2048 sdd                                                      rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro  ==================== sda1/EFI/refind/refind.conf (filtered) ====================  timeout 20 menuentry Linux {     icon EFI/refind/icons/os_linux.png     volume 904404F8-B481-440C-A1E3-11A5A954E601     loader bzImage-3.3.0-rc7     initrd initrd-3.3.0.img     options "ro root=UUID=5f96cafa-e0a7-4057-b18f-fa709db5b837"     disabled } menuentry "Arch Linux" {     icon     /EFI/refind/icons/os_arch.png     volume   "Arch Linux"     loader   /boot/vmlinuz-linux     initrd   /boot/initramfs-linux.img     options  "root=PARTUUID=5028fa50-0079-4c40-b240-abfaf28693ea rw add_efi_memmap"     submenuentry "Boot using fallback initramfs" {         initrd /boot/initramfs-linux-fallback.img     }     submenuentry "Boot to terminal" {         add_options "systemd.unit=multi-user.target"     }     disabled } menuentry Ubuntu {     loader /EFI/ubuntu/grubx64.efi     icon /EFI/refind/icons/os_linux.png     disabled } menuentry "ELILO" {     loader EFIeliloelilo.efi     disabled } menuentry "Windows 7" {     loader EFIMicrosoftBootootmgfw.efi     disabled } menuentry "Windows via shell script" {     icon EFI efindiconsos_win.png     loader EFI oolsshell.efi     options "fs0:EFI oolslaunch_windows.nsh"     disabled } menuentry "My macOS" {     icon EFI efindiconsos_mac.png     volume "macOS boot"     loader SystemLibraryCoreServicesoot.efi     disabled }  ===================== sda1/efi/ubuntu/grub.cfg (filtered) ======================  search.fs_uuid f8e7619c-6a1e-453b-b5db-d3ba48a3baef root hd0,gpt3  set prefix=($root)'/boot/grub' configfile $prefix/grub.cfg  ====================== sda3/boot/grub/grub.cfg (filtered) ======================  Ubuntu   f8e7619c-6a1e-453b-b5db-d3ba48a3baef Ubuntu, with Linux 5.4.0-47-generic   f8e7619c-6a1e-453b-b5db-d3ba48a3baef Ubuntu, with Linux 5.4.0-42-generic   f8e7619c-6a1e-453b-b5db-d3ba48a3baef ### END /etc/grub.d/30_os-prober ### ### END /etc/grub.d/30_uefi-firmware ###  ========================== sda3/etc/fstab (filtered) ===========================  # <file system> <mount point>   <type>  <options>       <dump>  <pass> # / was on /dev/sda3 during installation UUID=f8e7619c-6a1e-453b-b5db-d3ba48a3baef /               ext4    errors=remount-ro 0       1 # /boot/efi was on /dev/sda1 during installation /swapfile                                 none            swap    sw              0       0 UUID=67E3-17ED  /boot/efi       vfat    defaults      0       1  ======================= sda3/etc/default/grub (filtered) =======================  GRUB_DEFAULT=0 GRUB_TIMEOUT_STYLE=hidden GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX=""  ==================== sda3: Location of files loaded by Grub ====================             GiB - GB             File                                 Fragment(s)  768,049003601 = 824,686338048  boot/grub/grub.cfg                             1  471,068485260 = 505,805934592  boot/vmlinuz                                   1  470,245113373 = 504,921845760  boot/vmlinuz-5.4.0-42-generic                  2  471,068485260 = 505,805934592  boot/vmlinuz-5.4.0-47-generic                  1  470,245113373 = 504,921845760  boot/vmlinuz.old                               2  471,585289001 = 506,360848384  boot/initrd.img                                2  471,154953003 = 505,898778624  boot/initrd.img-5.4.0-42-generic               7  471,585289001 = 506,360848384  boot/initrd.img-5.4.0-47-generic               2  471,154953003 = 505,898778624  boot/initrd.img.old                            7  ===================== sda3: ls -l /etc/grub.d/ (filtered) ======================  -rwxr-xr-x 1 root root 17622 sept.  8 10:24 10_linux -rwxr-xr-x 1 root root 42359 sept.  8 10:24 10_linux_zfs -rwxr-xr-x 1 root root 12894 sept.  8 10:24 20_linux_xen -rwxr-xr-x 1 root root 12059 sept.  8 10:24 30_os-prober -rwxr-xr-x 1 root root  1424 sept.  8 10:24 30_uefi-firmware -rwxr-xr-x 1 root root   214 sept.  8 10:24 40_custom -rwxr-xr-x 1 root root   216 sept.  8 10:24 41_custom   ======================== Unknown MBRs/Boot Sectors/etc =========================  Unknown BootLoader on sda1  00000000  eb 58 90 42 53 44 20 20  34 2e 34 00 02 01 20 00  |.X.BSD  4.4... .| 00000010  02 00 00 00 00 f0 00 00  20 00 10 00 00 00 00 00  |........ .......| 00000020  00 40 06 00 4f 0c 00 00  00 00 00 00 02 00 00 00  |.@..O...........| 00000030  01 00 06 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 00000040  00 01 29 ed 17 e3 67 45  46 49 20 20 20 20 20 20  |..)...gEFI      | 00000050  20 20 46 41 54 33 32 20  20 20 fa 31 c0 8e d0 bc  |  FAT32   .1....| 00000060  00 7c fb 8e d8 e8 00 00  5e 83 c6 19 bb 07 00 fc  |.|......^.......| 00000070  ac 84 c0 74 06 b4 0e cd  10 eb f5 30 e4 cd 16 cd  |...t.......0....| 00000080  19 0d 0a 4e 6f 6e 2d 73  79 73 74 65 6d 20 64 69  |...Non-system di| 00000090  73 6b 0d 0a 50 72 65 73  73 20 61 6e 79 20 6b 65  |sk..Press any ke| 000000a0  79 20 74 6f 20 72 65 62  6f 6f 74 0d 0a 00 00 00  |y to reboot.....| 000000b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| * 000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.| 00000200  Unknown BootLoader on sdc  00000000  45 52 08 00 00 00 90 90  00 00 00 00 00 00 00 00  |ER..............| 00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 00000020  33 ed fa 8e d5 bc 00 7c  fb fc 66 31 db 66 31 c9  |3......|..f1.f1.| 00000030  66 53 66 51 06 57 8e dd  8e c5 52 be 00 7c bf 00  |fSfQ.W....R..|..| 00000040  06 b9 00 01 f3 a5 ea 4b  06 00 00 52 b4 41 bb aa  |.......K...R.A..| 00000050  55 31 c9 30 f6 f9 cd 13  72 16 81 fb 55 aa 75 10  |U1.0....r...U.u.| 00000060  83 e1 01 74 0b 66 c7 06  f3 06 b4 42 eb 15 eb 02  |...t.f.....B....| 00000070  31 c9 5a 51 b4 08 cd 13  5b 0f b6 c6 40 50 83 e1  |1.ZQ....[...@P..| 00000080  3f 51 f7 e1 53 52 50 bb  00 7c b9 04 00 66 a1 b0  |?Q..SRP..|...f..| 00000090  07 e8 44 00 0f 82 80 00  66 40 80 c7 02 e2 f2 66  |..D.....f@.....f| 000000a0  81 3e 40 7c fb c0 78 70  75 09 fa bc ec 7b ea 44  |.>@|..xpu....{.D| 000000b0  7c 00 00 e8 83 00 69 73  6f 6c 69 6e 75 78 2e 62  ||.....isolinux.b| 000000c0  69 6e 20 6d 69 73 73 69  6e 67 20 6f 72 20 63 6f  |in missing or co| 000000d0  72 72 75 70 74 2e 0d 0a  66 60 66 31 d2 66 03 06  |rrupt...f`f1.f..| 000000e0  f8 7b 66 13 16 fc 7b 66  52 66 50 06 53 6a 01 6a  |.{f...{fRfP.Sj.j| 000000f0  10 89 e6 66 f7 36 e8 7b  c0 e4 06 88 e1 88 c5 92  |...f.6.{........| 00000100  f6 36 ee 7b 88 c6 08 e1  41 b8 01 02 8a 16 f2 7b  |.6.{....A......{| 00000110  cd 13 8d 64 10 66 61 c3  e8 1e 00 4f 70 65 72 61  |...d.fa....Opera| 00000120  74 69 6e 67 20 73 79 73  74 65 6d 20 6c 6f 61 64  |ting system load| 00000130  20 65 72 72 6f 72 2e 0d  0a 5e ac b4 0e 8a 3e 62  | error...^....>b| 00000140  04 b3 07 cd 10 3c 0a 75  f1 cd 18 f4 eb fd 00 00  |.....<.u........| 00000150  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| * 000001b0  f4 8d 05 00 00 00 00 00  70 85 f4 56 00 00 80 00  |........p..V....| 000001c0  01 00 00 a5 e0 ff 00 00  00 00 00 00 53 00 00 fe  |............S...| 000001d0  ff ff ef fe ff ff 30 8f  4c 00 00 1f 00 00 00 97  |......0.L.......| 000001e0  46 52 83 bd c8 b5 00 00  53 00 00 d0 95 00 00 00  |FR......S.......| 000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.| 00000200   ========= Devices which don't seem to have a corresponding hard drive ==========  sdb   =============================== StdErr Messages ================================  File descriptor 63 (pipe:[129779]) leaked on lvs invocation. Parent PID 22827: /bin/bash   /dev/sdb: open failed: Aucun support trouvé   /dev/sdb: open failed: Aucun support trouvé paste.ubuntu.com ko () paste.debian.net ko ()    

Pergunte-me se você precisar de uma tradução de uma parte francesa dos logs.
Além disso, após ABCDEFGHIJKLMNABCDEFGHIJKLMN3 Diz "Ocorreu um erro durante o reparo. Agora você pode reiniciar seu computador .

Devo remover completamente o Ubuntu para tentar novamente na imagem do servidor?

english

I have a 2010 I-mac with macos High Sierra installed on it. I wanted to install a dual boot with Ubuntu 20.04.1, so I followed the tutorial How to Install and Dual-Boot Linux and macOS but with the 20.04 desktop image.

I had to use nomodeset to boot on the USB but everything else was working fine. I installed the full version without updates. However, after rebooting ReFind wasn't appearing and I couldn't get grub. Instead, I have a static _ in the center of the screen, and after some time it becomes completely black.

I can't get macOS because when I reboot I directly get the black screen, and no grub menu to boot in safe graphics mode. I tried to use Ctrl Alt and F1 to F12, without result. I also tried to press Escape, Shift and Space, but nothing happened. I don't know how I can install my graphics drivers from nothing.

Sometimes I also get a message similar to the one in "dev/sda1: clean, ..." This message appears after I startup my laptop, then it won't continue booting between the underscore and the black screen but I couldn't get the exact one, it's disappearing too quickly, like after 3 seconds.

Graphic card : ATI Radeon HD 4670 256 Mo.

Thanks for your help, ask me more if needed, also sorry for my terrible english.

Also, I already saw this post My computer boots to a black screen, what options do I have to fix it? and it's not helping.

EDIT : I can now boot on macos, because ReFind is now showing up, but if I choose ubuntu it starts all over again and I have to get macos by luck. Maybe this opens possibilities ? I tried to use ssh but it's not preinstalled I think. I can also boot on my usb now

EDIT 2 boot repair logs

boot-repair-4ppa125                                              [20200925_1624]  ============================= Boot Repair Summary ==============================    Default settings: ______________________________________________________________  The default repair of the Boot-Repair utility would purge (in order to sign-grub) and reinstall the grub-efi-amd64-signed of sda3, using the following options:        sda1/boot/efi, Additional repair would be performed: unhide-bootmenu-10s  use-standard-efi-file  restore-efi-backups    Final advice in case of suggested repair: ______________________________________   Please do not forget to make your UEFI firmware boot on the Ubuntu 20.04.1 LTS entry (sda1/efi/****/shim****.efi (**** will be updated in the final message) file) ! You may also want to install Refind. (https://help.ubuntu.com/community/ubuntupreciseon2011imac)  User settings: _________________________________________________________________  Error: Both the primary and backup GPT tables are corrupt.  Try making a fresh table, and using Parted's rescue feature to recover partitions. sdd may have broken partition table. The settings chosen by the user will purge (in order to unsign-grub) and reinstall the grub-efi of sda3, using the following options:        sda1/boot/efi, Additional repair will be performed: unhide-bootmenu-10s  use-standard-efi-file  restore-efi-backups   /boot/efi added in sda3/fstab rm /mnt/boot-sav/sda1/efi/Boot/bootx64.efi mv /mnt/boot-sav/sda1/efi/Boot/bkpbootx64.efi /mnt/boot-sav/sda1/efi/Boot/bootx64.efi Mount sda1 on /mnt/boot-sav/sda3/boot/efi chroot /mnt/boot-sav/sda3 apt-get -y update Purge the GRUB of sda3 grub-efi available Lecture des listes de paquetsxc3xa2xc5xa0 Construction de l'arbre des dxc3x83xc2xa9pendancesxc3xa2xc5xa0SET@_progressbar1.pulse()  Lecture des informations d'xc3x83xc2xa9tatxc3xa2xc5xa0 Le paquet suivant a xc3x83xc2xa9txc3x83xc2xa9 installxc3x83xc2xa9 automatiquement et n'est plus nxc3x83xc2xa9cessairexc3x82xc2xa0: shim Veuillez utiliser xc3x82xc2xabxc3x82xc2xa0sudo apt autoremovexc3x82xc2xa0xc3x82xc2xbb pour le supprimer. 0 mis xc3x83xc2xa0 jour, 0 nouvellement installxc3x83xc2xa9s, 1 rxc3x83xc2xa9installxc3x83xc2xa9s, 0 xc3x83xc2xa0 enlever et 193 non mis xc3x83xc2xa0 jour. Il est nxc3x83xc2xa9cessaire de prendre 2xc3xa2xc2xaf588 o dans les archives. Aprxc3x83xc5xa1s cette opxc3x83xc2xa9ration, 0 o d'espace disque supplxc3x83xc2xa9mentaires seront utilisxc3x83xc2xa9s. Rxc3x83xc2xa9ception dexc3x82xc2xa0:1 http://fr.archive.ubuntu.com/ubuntu focal-updates/main amd64 grub-efi amd64 2.04-1ubuntu26.4 [2xc3xa2xc2xaf588 B] 2xc3xa2xc2xaf588 o rxc3x83xc2xa9ceptionnxc3x83xc2xa9s en 0s (39,0 ko/s) Txc3x83xc2xa9lxc3x83xc2xa9chargement achevxc3x83xc2xa9 et dans le mode txc3x83xc2xa9lxc3x83xc2xa9chargement uniquement DEBCHECK debOK, grub-efi DEBCHECK debOK shim-signed available Please type: sudo chroot "/mnt/boot-sav/sda3" dpkg --configure -ansudo chroot "/mnt/boot-sav/sda3" apt-get install -fynsudo chroot "/mnt/boot-sav/sda3" apt-get purge -y grub*-common shim-signed Then type: sudo chroot "/mnt/boot-sav/sda3" apt-get install -y grub-efi Then type: sudo chroot "/mnt/boot-sav/sda3" apt-get install -y grub-efi  Unhide GRUB boot menu in sda3/etc/default/grub  ======================== Reinstall the grub-efi of sda3 ========================  grub-install --version grub-install (GRUB) 2.04-1ubuntu26.4  efibootmgr -v from chroot before grub install BootCurrent: 0080 Timeout: 5 seconds BootOrder: 0080,0000,0004,0003,0002,0001 Boot0000* ubuntu    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIubuntugrubx64.efi) Boot0001* xc3xafxc5x93xc5xbexc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindxc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92xc3x8d..x...x...x...x...x...x...x...x...x...m.>-.. Boot0002* xc3xa8xc2xa7xc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0 HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindxc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92xc3x8d...ZZ.......#....s..n&...F...1.T......PA...@...=...F......Y.Sv$..xu...f....h...phd0.. Boot0003* xc3xa1xc2xb0xc2xb6xc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindxc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92xc3x8d.fj.......z.a !=.....r...NJ.Fg..V.....|R...#v..........s.$.>.P........z^q.d.X..phd0.. Boot0004* xc3xafxc2xa3xc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0 HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindxc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92xc3x8d...]T{@C........d....).m.....!.#..g...m..f.2....#.gr>....v.CQG....sx.U[/..eP"..lphd0.. Boot0080* Mac OS X  HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindrefind_x64.efi) BootFFFF*   PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0,0,0)/HD(2,GPT,d466d600-e98b-445c-827c-1e5f1f8aed31,0x64028,0x3a3316b0)/File(SystemLibraryCoreServicesboot.efi)  uname -r 5.4.0-42-generic  grub-install --efi-directory=/boot/efi --target=x86_64-efi --no-uefi-secure-boot Installing for x86_64-efi platform. Installation finished. No error reported. Refind detected on sda1 df /dev/sda1 mv /mnt/boot-sav/sda3/boot/efi/EFI/Boot/bootx64.efi /mnt/boot-sav/sda3/boot/efi/EFI/Boot/bkpbootx64.efi cp /mnt/boot-sav/sda3/boot/efi/EFI/ubuntu/grubx64.efi /mnt/boot-sav/sda3/boot/efi/EFI/Boot/bootx64.efi  grub-install --efi-directory=/boot/efi --target=x86_64-efi --no-uefi-secure-boot Installing for x86_64-efi platform. Installation finished. No error reported.  efibootmgr -v from chroot after grub install BootCurrent: 0080 Timeout: 5 seconds BootOrder: 0000,0080,0004,0003,0002,0001 Boot0000* ubuntu    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIubuntugrubx64.efi) Boot0001* xc3xafxc5x93xc5xbexc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindxc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92~@..x...x...x...x...x...x...x...x...x...m.>-.. Boot0002* xc3xa8xc2xa7xc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0 HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindxc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92~@...ZZ.......#....s..n&...F...1.T......PA...@...=...F......Y.Sv$..xu...f....h...phd0.. Boot0003* xc3xa1xc2xb0xc2xb6xc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindxc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92~@.fj.......z.a !=.....r...NJ.Fg..V.....|R...#v..........s.$.>.P........z^q.d.X..phd0.. Boot0004* xc3xafxc2xa3xc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0 HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindxc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92~@...]T{@C........d....).m.....!.#..g...m..f.2....#.gr>....v.CQG....sx.U[/..eP"..lphd0.. Boot0080* Mac OS X  HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(EFIrefindrefind_x64.efi) BootFFFF*   PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0,0,0)/HD(2,GPT,d466d600-e98b-445c-827c-1e5f1f8aed31,0x64028,0x3a3316b0)/File(SystemLibraryCoreServicesboot.efi)  chroot /mnt/boot-sav/sda3 update-grub Sourcing file `/etc/default/grub' Sourcing file `/etc/default/grub.d/init-select.cfg' Generating grub configuration file ... Found linux image: /boot/vmlinuz-5.4.0-47-generic Found initrd image: /boot/initrd.img-5.4.0-47-generic Found linux image: /boot/vmlinuz-5.4.0-42-generic Found initrd image: /boot/initrd.img-5.4.0-42-generic grub-probe: error: cannot find a GRUB drive for /dev/sdc1.  Check your device.map.  Unhide GRUB boot menu in sda3/boot/grub/grub.cfg  Une erreur est survenue pendant la rxc3x83xc2xa9paration.  Vous pouvez maintenant redxc3x83xc2xa9marrer votre ordinateur.  N'oubliez pas de faire dxc3x83xc2xa9marrer votre firmware UEFI sur l'entrxc3x83xc2xa9e Ubuntu 20.04.1 LTS (fichier sda1/EFI/ubuntu/grubx64.efi) ! Vous souhaiterez peut-xc3x83xc2xaatre aussi installer Refind. (https://help.ubuntu.com/community/ubuntupreciseon2011imac)  ============================ Boot Info After Repair ============================   => No boot loader is installed in the MBR of /dev/sda.  sda1: __________________________________________________________________________      File system:       vfat     Boot sector type:  Unknown     Boot sector info:  According to the info in the boot sector, sda1 starts                         at sector 0. But according to the info from fdisk,                         sda1 starts at sector 40.     Operating System:       Boot files:        /EFI/refind/refind.conf /efi/BOOT/bkpbootx64.efi                         /efi/BOOT/bootx64.efi /efi/BOOT/fbx64.efi                         /efi/BOOT/grubx64.efi /efi/BOOT/mmx64.efi                         /efi/refind/refind_x64.efi /efi/tools/gptsync_x64.efi                         /efi/ubuntu/grubx64.efi /efi/ubuntu/mmx64.efi                         /efi/ubuntu/shimx64.efi /efi/ubuntu/grub.cfg  sda2: __________________________________________________________________________      File system:       hfsplus     Boot sector type:  -     Boot sector info:      Operating System:       Boot files:          sda3: __________________________________________________________________________      File system:       ext4     Boot sector type:  -     Boot sector info:      Operating System:  Ubuntu 20.04.1 LTS     Boot files:        /boot/grub/grub.cfg /etc/fstab /etc/default/grub  sdc: ___________________________________________________________________________      File system:       iso9660     Boot sector type:  Unknown     Boot sector info:      Mounting failed:   mount: /mnt/BootInfo/FD/sdc: /dev/sdc dxc3x83xc2xa9jxc3x83xc2xa0 montxc3x83xc2xa9 ou point de montage actif.  sdd: ___________________________________________________________________________      File system:       vfat     Boot sector type:  FAT32     Boot sector info:  No errors found in the Boot Parameter Block.     Operating System:       Boot files:           ================================ 1 OS detected =================================  OS#1:   Ubuntu 20.04.1 LTS on sda3  ============================ Architecture/Host Info ============================  CPU architecture: 64-bit Live-session OS is Ubuntu 64-bit (Ubuntu 20.04.1 LTS, focal, x86_64)   ===================================== UEFI =====================================  BIOS is EFI-compatible, and is setup in EFI-mode for this live-session.  efibootmgr -v BootCurrent: 0080 Timeout: 5 seconds BootOrder: 0080,0000,0004,0003,0002,0001 Boot0000* ubuntu    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(\EFI\ubuntu\grubx64.efi) Boot0001* xc3xafxc5x93xc5xbexc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(\EFI\refind\xc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92;..x...x...x...x...x...x...x...x...x...m.>-.. Boot0002* xc3xa8xc2xa7xc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0 HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(\EFI\refind\xc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92;...ZZ.......#....s..n&...F...1.T......PA...@...=...F......Y.Sv$\..xu...f....h...phd0.. Boot0003* xc3xa1xc2xb0xc2xb6xc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0    HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(\EFI\refind\xc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92;.fj.......z.a !=.....r...NJ.Fg..V.....|R...#v..........s.$.>.P........z^q.d.X..phd0.. Boot0004* xc3xafxc2xa3xc3xa7xc2xb0xc3xa6xc2xb1xc2xa1xc3x82xc2xb0 HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(\EFI\refind\xc3xa7xc3xa6xc3xa6xc3xa6xe2x82xacxc3xa6xc5xbexc3xa6xc3xa5xc5x92xc3xa7xc2xa0xc3xa3xc3xa3xc3xa2xc5xbexc3xa6xc3xa6xc3xa6xe2x82xacxc3xa2xc2xb0xc3xa7xc3xa4xc3xa4xc3xa4xe2x82xacxc3xa6xc5xbexc3xa6xc3xa2xc3xa4xc3xa6xc5x92;...]T{@C........d....).m.....!.#..g...m..f.2....#.gr>....v.CQG....sx.U[/..eP"..lphd0.. Boot0080* Mac OS X  HD(1,GPT,c71eee50-b98e-4ca5-9ce0-664c3167a722,0x28,0x64000)/File(\EFI\refind\refind_x64.efi) BootFFFF*   PciRoot(0x0)/Pci(0x1f,0x2)/Sata(0,0,0)/HD(2,GPT,d466d600-e98b-445c-827c-1e5f1f8aed31,0x64028,0x3a3316b0)/File(\System\Library\CoreServices\boot.efi)  5ddf4e6b08573a930d20bf88138f9b91   sda1/BOOT/bootx64.efi bed45d1c9554cea09924d3814cb7c446   sda1/BOOT/fbx64.efi 114bd85eec32e3162958ea034020821d   sda1/BOOT/grubx64.efi 4487628005555bfd4a4c0a47211e0700   sda1/BOOT/mmx64.efi 3bd017b6f456e16ab4ceabc6e126a31d   sda1/refind/refind_x64.efi ed0916ceb085aee474702bf7800d3611   sda1/tools/gptsync_x64.efi 5ddf4e6b08573a930d20bf88138f9b91   sda1/ubuntu/grubx64.efi 4487628005555bfd4a4c0a47211e0700   sda1/ubuntu/mmx64.efi f7a57b08bc7c1c85417ae4cea582d1d4   sda1/ubuntu/shimx64.efi 5783b82bc1dd7d612ca0447b737b35df   sda1/APPLE/EXTENSIONS/Firmware.scap f631b47dc2e2e427a8214458a9206fd7   sda1/APPLE/FIRMWARE/IM112.scap   ============================= Drive/Partition Info =============================  Disks info: ____________________________________________________________________  sda : is-GPT,   no-BIOSboot,    has---ESP,  not-usb,    not-mmc, has-os,    40 sectors * 512 bytes  Partitions info (1/3): _________________________________________________________  sda1    : no-os,    32, nopakmgr,   no-docgrub, nogrub, nogrubinstall,  no-grubenv, noupdategrub,   not-far sda2    : no-os,    32, nopakmgr,   no-docgrub, nogrub, nogrubinstall,  no-grubenv, noupdategrub,   farbios sda3    : is-os,    64, apt-get,    signed grub-efi ,   grub2,  grub-install,   grubenv-ng, update-grub,    farbios  Partitions info (2/3): _________________________________________________________  sda1    : is---ESP, part-has-no-fstab,  no-nt,  no-winload, no-recov-nor-hid,   no-bmgr,    notwinboot sda2    : isnotESP, part-has-no-fstab,  no-nt,  no-winload, no-recov-nor-hid,   no-bmgr,    notwinboot sda3    : isnotESP, fstab-has-goodEFI,  no-nt,  no-winload, no-recov-nor-hid,   no-bmgr,    notwinboot  Partitions info (3/3): _________________________________________________________  sda1    : not-sepboot,  no-boot,    part-has-no-fstab,  not-sep-usr,    no---usr,   part-has-no-fstab,  std-grub.d, sda sda2    : maybesepboot, no-boot,    part-has-no-fstab,  not-sep-usr,    with--usr,  part-has-no-fstab,  std-grub.d, sda sda3    : not-sepboot,  with-boot,  fstab-without-boot, not-sep-usr,    with--usr,  fstab-without-usr,  std-grub.d, sda  fdisk -l (filtered): ___________________________________________________________  Disk sda: 931.53 GiB, 1000204886016 bytes, 1953525168 sectors Disk identifier: BCFA5723-5FFA-4B2F-B533-FD6080528BDF           Start        End   Sectors   Size Type sda1         40     409639    409600   200M EFI System sda2     409640  976836311 976426672 465.6G Apple HFS/HFS+ sda3  977098752 1953260861 976162110 465.5G Microsoft basic data Disk sdc: 7.28 GiB, 7811891200 bytes, 15257600 sectors Disk identifier: 0x56f48570       Boot   Start      End Sectors  Size Id Type sdc1  *          0  5439487 5439488  2.6G  0 Empty sdc2       5017392  5025327    7936  3.9M ef EFI (FAT-12/16/32) sdc3       5439488 15257599 9818112  4.7G 83 Linux Disk sdd: 7.51 GiB, 8053063680 bytes, 15728640 sectors Disk identifier: 0x00000000  parted -lm (filtered): _________________________________________________________  sda:1000GB:scsi:512:4096:gpt:ATA WDC WD10EZEX-21W:; 1:20.5kB:210MB:210MB:fat32:EFI System Partition:boot, esp; 2:210MB:500GB:500GB:hfs+:Macintosh HD:; 3:500GB:1000GB:500GB:ext4::msftdata; sdc:7812MB:scsi:512:512:unknown: :; sdd:8053MB:scsi:512:512:loop:General UDisk:; 1:0.00B:8053MB:8053MB:fat32::;  blkid (filtered): ______________________________________________________________  NAME   FSTYPE   UUID                                 PARTUUID                             LABEL                    PARTLABEL sda                                                                                                                 xc3xa2xc3xa2sda1 vfat     67E3-17ED                            c71eee50-b98e-4ca5-9ce0-664c3167a722 EFI                      EFI System Partition xc3xa2xc3xa2sda2 hfsplus  8b7b66cd-36fd-33f8-a65f-9b3b6c6c99d7 d466d600-e98b-445c-827c-1e5f1f8aed31 hd                       Macintosh HD xc3xa2xc3xa2sda3 ext4     f8e7619c-6a1e-453b-b5db-d3ba48a3baef 79ff53d8-6ce9-4fcb-92b2-a049b0fd2f6c                           sdc    iso9660  2020-07-31-16-51-12-00                                                    Ubuntu 20.04.1 LTS amd64  xc3xa2xc3xa2sdc1 iso9660  2020-07-31-16-51-12-00               56f48570-01                          Ubuntu 20.04.1 LTS amd64  xc3xa2xc3xa2sdc2 vfat     C26E-047E                            56f48570-02                                                    xc3xa2xc3xa2sdc3 ext4     840c5bf3-00de-40a7-821e-d2c5dbf26033 56f48570-03                          writable                  sdd    vfat     AB36-A856                                                                                            df (filtered): _________________________________________________________________                                                            Avail Use% Mounted on disk/by-label/writable[/install-logs-2020-09-25.0/crash]   4.3G   1% /var/crash disk/by-label/writable[/install-logs-2020-09-25.0/log]     4.3G   1% /var/log sda1                                                     166.6M  15% /mnt/boot-sav/sda1 sda2                                                     437.5G   6% /mnt/boot-sav/sda2 sda3                                                       426G   2% /mnt/boot-sav/sda3 sdc1                                                          0 100% /cdrom sdd                                                        7.3G   2% /media/ubuntu/AB36-A856  Mount options: __________________________________________________________________  disk/by-label/writable[/install-logs-2020-09-25.0/crash] rw,relatime disk/by-label/writable[/install-logs-2020-09-25.0/log]   rw,relatime sda1                                                     rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro sda2                                                     ro,relatime,umask=22,uid=0,gid=0,nls=utf8 sda3                                                     rw,relatime sdc1                                                     ro,noatime,nojoliet,check=s,map=n,blocksize=2048 sdd                                                      rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro  ==================== sda1/EFI/refind/refind.conf (filtered) ====================  timeout 20 menuentry Linux {     icon EFI/refind/icons/os_linux.png     volume 904404F8-B481-440C-A1E3-11A5A954E601     loader bzImage-3.3.0-rc7     initrd initrd-3.3.0.img     options "ro root=UUID=5f96cafa-e0a7-4057-b18f-fa709db5b837"     disabled } menuentry "Arch Linux" {     icon     /EFI/refind/icons/os_arch.png     volume   "Arch Linux"     loader   /boot/vmlinuz-linux     initrd   /boot/initramfs-linux.img     options  "root=PARTUUID=5028fa50-0079-4c40-b240-abfaf28693ea rw add_efi_memmap"     submenuentry "Boot using fallback initramfs" {         initrd /boot/initramfs-linux-fallback.img     }     submenuentry "Boot to terminal" {         add_options "systemd.unit=multi-user.target"     }     disabled } menuentry Ubuntu {     loader /EFI/ubuntu/grubx64.efi     icon /EFI/refind/icons/os_linux.png     disabled } menuentry "ELILO" {     loader \EFI\elilo\elilo.efi     disabled } menuentry "Windows 7" {     loader \EFI\Microsoft\Boot\bootmgfw.efi     disabled } menuentry "Windows via shell script" {     icon \EFI\refind\icons\os_win.png     loader \EFI\tools\shell.efi     options "fs0:\EFI\tools\launch_windows.nsh"     disabled } menuentry "My macOS" {     icon \EFI\refind\icons\os_mac.png     volume "macOS boot"     loader \System\Library\CoreServices\boot.efi     disabled }  ===================== sda1/efi/ubuntu/grub.cfg (filtered) ======================  search.fs_uuid f8e7619c-6a1e-453b-b5db-d3ba48a3baef root hd0,gpt3  set prefix=($root)'/boot/grub' configfile $prefix/grub.cfg  ====================== sda3/boot/grub/grub.cfg (filtered) ======================  Ubuntu   f8e7619c-6a1e-453b-b5db-d3ba48a3baef Ubuntu, with Linux 5.4.0-47-generic   f8e7619c-6a1e-453b-b5db-d3ba48a3baef Ubuntu, with Linux 5.4.0-42-generic   f8e7619c-6a1e-453b-b5db-d3ba48a3baef ### END /etc/grub.d/30_os-prober ### ### END /etc/grub.d/30_uefi-firmware ###  ========================== sda3/etc/fstab (filtered) ===========================  # <file system> <mount point>   <type>  <options>       <dump>  <pass> # / was on /dev/sda3 during installation UUID=f8e7619c-6a1e-453b-b5db-d3ba48a3baef /               ext4    errors=remount-ro 0       1 # /boot/efi was on /dev/sda1 during installation /swapfile                                 none            swap    sw              0       0 UUID=67E3-17ED  /boot/efi       vfat    defaults      0       1  ======================= sda3/etc/default/grub (filtered) =======================  GRUB_DEFAULT=0 GRUB_TIMEOUT_STYLE=hidden GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX=""  ==================== sda3: Location of files loaded by Grub ====================             GiB - GB             File                                 Fragment(s)  768,049003601 = 824,686338048  boot/grub/grub.cfg                             1  471,068485260 = 505,805934592  boot/vmlinuz                                   1  470,245113373 = 504,921845760  boot/vmlinuz-5.4.0-42-generic                  2  471,068485260 = 505,805934592  boot/vmlinuz-5.4.0-47-generic                  1  470,245113373 = 504,921845760  boot/vmlinuz.old                               2  471,585289001 = 506,360848384  boot/initrd.img                                2  471,154953003 = 505,898778624  boot/initrd.img-5.4.0-42-generic               7  471,585289001 = 506,360848384  boot/initrd.img-5.4.0-47-generic               2  471,154953003 = 505,898778624  boot/initrd.img.old                            7  ===================== sda3: ls -l /etc/grub.d/ (filtered) ======================  -rwxr-xr-x 1 root root 17622 sept.  8 10:24 10_linux -rwxr-xr-x 1 root root 42359 sept.  8 10:24 10_linux_zfs -rwxr-xr-x 1 root root 12894 sept.  8 10:24 20_linux_xen -rwxr-xr-x 1 root root 12059 sept.  8 10:24 30_os-prober -rwxr-xr-x 1 root root  1424 sept.  8 10:24 30_uefi-firmware -rwxr-xr-x 1 root root   214 sept.  8 10:24 40_custom -rwxr-xr-x 1 root root   216 sept.  8 10:24 41_custom   ======================== Unknown MBRs/Boot Sectors/etc =========================  Unknown BootLoader on sda1  00000000  eb 58 90 42 53 44 20 20  34 2e 34 00 02 01 20 00  |.X.BSD  4.4... .| 00000010  02 00 00 00 00 f0 00 00  20 00 10 00 00 00 00 00  |........ .......| 00000020  00 40 06 00 4f 0c 00 00  00 00 00 00 02 00 00 00  |.@..O...........| 00000030  01 00 06 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 00000040  00 01 29 ed 17 e3 67 45  46 49 20 20 20 20 20 20  |..)...gEFI      | 00000050  20 20 46 41 54 33 32 20  20 20 fa 31 c0 8e d0 bc  |  FAT32   .1....| 00000060  00 7c fb 8e d8 e8 00 00  5e 83 c6 19 bb 07 00 fc  |.|......^.......| 00000070  ac 84 c0 74 06 b4 0e cd  10 eb f5 30 e4 cd 16 cd  |...t.......0....| 00000080  19 0d 0a 4e 6f 6e 2d 73  79 73 74 65 6d 20 64 69  |...Non-system di| 00000090  73 6b 0d 0a 50 72 65 73  73 20 61 6e 79 20 6b 65  |sk..Press any ke| 000000a0  79 20 74 6f 20 72 65 62  6f 6f 74 0d 0a 00 00 00  |y to reboot.....| 000000b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| * 000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.| 00000200  Unknown BootLoader on sdc  00000000  45 52 08 00 00 00 90 90  00 00 00 00 00 00 00 00  |ER..............| 00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 00000020  33 ed fa 8e d5 bc 00 7c  fb fc 66 31 db 66 31 c9  |3......|..f1.f1.| 00000030  66 53 66 51 06 57 8e dd  8e c5 52 be 00 7c bf 00  |fSfQ.W....R..|..| 00000040  06 b9 00 01 f3 a5 ea 4b  06 00 00 52 b4 41 bb aa  |.......K...R.A..| 00000050  55 31 c9 30 f6 f9 cd 13  72 16 81 fb 55 aa 75 10  |U1.0....r...U.u.| 00000060  83 e1 01 74 0b 66 c7 06  f3 06 b4 42 eb 15 eb 02  |...t.f.....B....| 00000070  31 c9 5a 51 b4 08 cd 13  5b 0f b6 c6 40 50 83 e1  |1.ZQ....[...@P..| 00000080  3f 51 f7 e1 53 52 50 bb  00 7c b9 04 00 66 a1 b0  |?Q..SRP..|...f..| 00000090  07 e8 44 00 0f 82 80 00  66 40 80 c7 02 e2 f2 66  |..D.....f@.....f| 000000a0  81 3e 40 7c fb c0 78 70  75 09 fa bc ec 7b ea 44  |.>@|..xpu....{.D| 000000b0  7c 00 00 e8 83 00 69 73  6f 6c 69 6e 75 78 2e 62  ||.....isolinux.b| 000000c0  69 6e 20 6d 69 73 73 69  6e 67 20 6f 72 20 63 6f  |in missing or co| 000000d0  72 72 75 70 74 2e 0d 0a  66 60 66 31 d2 66 03 06  |rrupt...f`f1.f..| 000000e0  f8 7b 66 13 16 fc 7b 66  52 66 50 06 53 6a 01 6a  |.{f...{fRfP.Sj.j| 000000f0  10 89 e6 66 f7 36 e8 7b  c0 e4 06 88 e1 88 c5 92  |...f.6.{........| 00000100  f6 36 ee 7b 88 c6 08 e1  41 b8 01 02 8a 16 f2 7b  |.6.{....A......{| 00000110  cd 13 8d 64 10 66 61 c3  e8 1e 00 4f 70 65 72 61  |...d.fa....Opera| 00000120  74 69 6e 67 20 73 79 73  74 65 6d 20 6c 6f 61 64  |ting system load| 00000130  20 65 72 72 6f 72 2e 0d  0a 5e ac b4 0e 8a 3e 62  | error...^....>b| 00000140  04 b3 07 cd 10 3c 0a 75  f1 cd 18 f4 eb fd 00 00  |.....<.u........| 00000150  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| * 000001b0  f4 8d 05 00 00 00 00 00  70 85 f4 56 00 00 80 00  |........p..V....| 000001c0  01 00 00 a5 e0 ff 00 00  00 00 00 00 53 00 00 fe  |............S...| 000001d0  ff ff ef fe ff ff 30 8f  4c 00 00 1f 00 00 00 97  |......0.L.......| 000001e0  46 52 83 bd c8 b5 00 00  53 00 00 d0 95 00 00 00  |FR......S.......| 000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.| 00000200   ========= Devices which don't seem to have a corresponding hard drive ==========  sdb   =============================== StdErr Messages ================================  File descriptor 63 (pipe:[129779]) leaked on lvs invocation. Parent PID 22827: /bin/bash   /dev/sdb: open failed: Aucun support trouvxc3x83xc2xa9   /dev/sdb: open failed: Aucun support trouvxc3x83xc2xa9 paste.ubuntu.com ko () paste.debian.net ko () 

ask me if you need a translation of a french part of the logs.
Also after Unhide GRUB boot menu in sda3/boot/grub/grub.cfg it says an error occurred during the repair. You can now reboot your computer.

Should I completely remove ubuntu to try again from the server image ?

              

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