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Hope all are doing well

I have a Linux Ubuntu 20.04 LTS on my laptop.

During the boot, I got the error as.. "/dev/sda2: UNEXPACTED INCONSISTENCY; RUN fsck MANUALLY "

I guess some of the files on a disk get corrupted. After exploring the few threads, I got to know that I need to repair the blocks using fsck utility

That's how I have applied the command fsck -y /dev/sda2 in a halted terminal

Unfortunately, nothing happening. I can't see any repair process, and a prompt is continuously blinking!

For reference, I have shared my laptop screen's photos

Can anyone help me here? enter image description here All suggestions and comments are welcome :)

Thanks, Mahendra Sondagar

Mahendra Sondagar
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  • Thanks for redirecting.

    The problem and error seem similar.

    as I said, I'd already tried with the command fsck -y /dev/sda2.

    But unfortunately, nothing is happening.

    Cursor is continuously blinking.

    how do I get to know that something is cooking?

     – Mahendra Sondagar May 23 '23 at 10:25
  • Nothing is happening there, you may as well stop it. You need to boot into a live USB device, and then enter the command again. – Jos May 23 '23 at 10:44
  • The partition should not be in use for a file-system check to complete; thus was your provided fsck -y /dev/sda2 command was done whilst sda2 was being used or not? Why live media is usually used; it ensures the partition isn't in-use. Also the command (eg. fsck) is not the command for all file-systems, thus the command may differ depending on your fs choice. Also note fsck performs LOGICAL CHECKS which cannot get past ACTUAL DISK ISSUES, your picture shows a IO error thus I'd check SMART health in live system before you attempted to logical/file-system checks. – guiverc May 23 '23 at 10:52
  • https://help.ubuntu.com/community/Smartmontools – guiverc May 23 '23 at 10:52
  • What you see on your screen is not a command prompt. You can type anything there, it will just be echoed. Try reboot to get a command prompt or use a livesystem. I guess your disk just broke. – Marco May 23 '23 at 12:16
  • Hi.. all.

    i have tried with the live USB.

    but I got the following errors msg.

    e2fsck: Input/Output error while trying to open /dev/sda2

    The superblock could not be read or could not describe a valid ext2/ext3ext4 filesystem if the device really contains an ext2/ext3ext4 filesystem, then the superblock is corrupted, and you might try running e2fsck with an alternative superblock:

    e2fsck -b 8193 or e2fsck -b 32768

    After applying below two commands,

    sudo e2fsck -b 8193 /dev/sda2 sudo e2fsck -b 32768 /dev/sda2

    I got the below error

     – Mahendra Sondagar May 23 '23 at 12:39
  • sudo e2fsck -b 8193 /dev/sda2 sudo e2fsck -b 32768 /dev/sda2

    after using the above two commands, I got the error as follows

    "e2fsck: bad magic number in superblock while trying to open /dev/sda2"

     – Mahendra Sondagar May 23 '23 at 12:44

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