The root filesystem requires manual fsck

Question

My computer froze. I turned it off and it re-booted with this error:

/dev/sda2 contains a file system with errors, check forced. Inodes that were part of a corrupt orphan linked list found.

/dev/sda2: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY. Fsck exited with status code 4.

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Please explain it to me what I need to do simply, as I am really new to Ubuntu.

Solution

At the prompt write fsck -y /dev/sda2 to run manual check on the filesystem. The '-y' option will automatically answer yes to all question.

Comments

[David Foerster]

Possible duplicate of fsck error on boot: /dev/sda6: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY

[Elder Geek]

@DavidFoerster for some reason the called duplicate was closed as unclear and deleted. I've flagged for moderator attention.

[Benjamints]

Is it: fsck -y/dev/sda?

[Benjamints]

Are there any spaces, and should SDA be SDA2?

[solsTiCe]

/dev/sda2 not /dev/sda

[Benjamints]

OK thanks but is there a space between -y and /dev/sda2 ???

[Elder Geek]

@Benjamints Yes there is a space there

[Rodrigo]

It seems -y isn't documented?!