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Thread: GRUB dual boot no more access to Ubuntu

  1. #11
    Join Date
    Aug 2017
    Beans
    72

    Re: GRUB dual boot no more access to Ubuntu

    The error message is clear enough, and wouldn't have come up if you had done as suggested in the first place. Hope it works out. Good luck.

  2. #12
    Join Date
    Jul 2005
    Location
    I think I'm here! Maybe?
    Beans
    Hidden!
    Distro
    Xubuntu 20.04 Focal Fossa

    Re: GRUB dual boot no more access to Ubuntu

    Boot again to your live USB system and from that check the partition naming is still as you have seen before with
    Code:
    sudo parted -l
    and if the root filesystem is still the same, run your command
    Code:
    sudo fsck -yv /dev/sda7
    from there; it should work fine.

  3. #13
    Join Date
    Sep 2019
    Beans
    35

    Re: GRUB dual boot no more access to Ubuntu

    ok ajgreeny I did what you recomand :

    Code:
    ubuntu@ubuntu:~$ sudo parted -l
    
     Model: ATA TOSHIBA MQ01ABD1 (scsi)
     Disk /dev/sda: 1000GB
     Sector size (logical/physical): 512B/512B
     Partition Table: gpt
     Disk Flags:  
     
     
     Number  Start   End     Size    File system  Name                  Flags
      1      1049kB  1075MB  1074MB  ntfs         Basic data partition  hidden, diag
      2      1075MB  1180MB  105MB   fat32        Basic data partition  boot, esp
      3      1180MB  1314MB  134MB   ntfs         Basic data partition  msftres
      4      1314MB  882GB   881GB   ntfs         Basic data partition  msftdata
      7      882GB   987GB   105GB   ext4
      5      987GB   988GB   1060MB  ntfs                               hidden, diag
      6      988GB   1000GB  12.2GB  ntfs         Basic data partition  hidden, diag
     
     
     
     
     Model: SanDisk Ultra (scsi)
     Disk /dev/sdb: 61.5GB
     Sector size (logical/physical): 512B/512B
     Partition Table: msdos
     Disk Flags:  
     
     
     Number  Start   End     Size    Type     File system  Flags
      1      16.4kB  61.5GB  61.5GB  primary  fat32        boot, lba
     
     
     
     
     
     
     
     
     
     
     ubuntu@ubuntu:~$ sudo fsck -yv /dev/sda2
     fsck from util-linux 2.31.1
     fsck.fat 4.1 (2017-01-24)
     Checking we can access the last sector of the filesystem
     Boot sector contents:
     System ID "MSDOS5.0"
     Media byte 0xf8 (hard disk)
            512 bytes per logical sector
           1024 bytes per cluster
           6654 reserved sectors
     First FAT starts at byte 3406848 (sector 6654)
              2 FATs, 32 bit entries
         393728 bytes per FAT (= 769 sectors)
     Root directory start at cluster 2 (arbitrary size)
     Data area starts at byte 4194304 (sector 8192)
          98304 data clusters (100663296 bytes)
     63 sectors/track, 255 heads
        2099200 hidden sectors
         204800 sectors total
     Reclaiming unconnected clusters.
     Checking free cluster summary.
     /dev/sda2: 379 files, 59477/98304 clusters
    no I m gonna try to reboot after removing my usb key, and I will tell you the result

  4. #14
    Join Date
    Sep 2019
    Beans
    35

    Re: GRUB dual boot no more access to Ubuntu

    its ok now !!!!
    thanks to all. I need to redo the fsck command in the menu I got when the pc cant boot on Ubuntu
    I did it 3 times first in my Ubuntu terminal and twice in the boot menu. the first time in the boot menu after typing reboot I saw a Ubuntu violet screen and it disappeared and it comes back to reboot menu
    so I did it again and it repair a lot of things, I took a photo of the screen but I m not allowed to post an image here.I did the command fsck -yv /dev/sda7 in boot mod.

    here in a google doc I put the photo:https://docs.google.com/document/d/1...it?usp=sharing
    Last edited by ortollj; August 9th, 2020 at 07:43 AM.

  5. #15
    Join Date
    Mar 2011
    Location
    U.K.
    Beans
    Hidden!
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: GRUB dual boot no more access to Ubuntu

    That image is difficult to read (at least for me).
    I believe that there might be a log placed here ..
    /run/initramfs/fsck.log



  6. #16
    Join Date
    Sep 2019
    Beans
    35

    Re: GRUB dual boot no more access to Ubuntu

    @dragonfly41, you can read the photo if you choose 200 % in google doc

    under /run/initramfs thre are only 2 files fsck-root and fsck.log .
    fsck-root is empty and below what is in fsck.log quasi empty !:

    Log of fsck -C -a -T -t ext4 /dev/sda7
    Sun Aug 9 06:09:07 2020

    /dev/sda7: clean, 802097/6406144 files, 13861975/25600000 blocks

    Sun Aug 9 06:09:07 2020
    ----------------

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