Can't mount home

So every time I booted my pc I got an error saying "unknown file system entering grub rescue mode", something like that. I could still boot eiither windows/manjaro by setting boot and prefix but I wanted to resotre grub so I followed this: Using livecd v17.0.1 (and above) as grub to boot OS with broken bootloader. I went with the single configfile method. I restored vanilla grub but every time I login I am greeted with login error message which only displays for few a few seconds and then returns me to the login screen.

Login error message


Doesn't look good. Run fsck on sdb.

Also, post cat /etc/fstab

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just noticed error on my part typed sda instead of sdb just ran it and i got:

[ranvir-pc ~]# fsck /dev/sdb
fsck from util-linux 2.35.1

I decided to check the sdb1 since that seems to be the partition failing to mount and I got this:

[ranvir-pc ~]# fsck -n /dev/sdb1
fsck from util-linux 2.35.1
e2fsck 1.45.6 (20-Mar-2020)
ext2fs_open2: Bad magic number in super-block
fsck.ext4: Superblock invalid, trying backup blocks . . .
 fsck.ext4: Bad magic number in super-block while tying to open /dev/sdb1

The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem.
If the device is valid and it really contains an ext2/ext3/ext4 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock:
            e2fsck -b 8193 <device>
           e2fsck -b 32768 <device>
/dev/sdb1 contains a iso9660 fuke system labelled 'MANJARO_KDE_2001'

So how do fix my home partition?

You mean:

fsck /dev/sdc1

I don't know what happened but I managed to boot into my pc now one of the commands must have done something.

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