Can't boot? BusyBox Prompt? How to fix HD corruption.

[LeoNigro]

I just wanted to alert you to an issue I had recently.
I had a misbehaving app I couldn't close.
So I hard rebooted the machine from the button(holding it down) and it corrupted the drive (well of course).
I've gotten away with this many times, but not this time.
On launch I was stuck at the BusyBox text only prompt and IIRC attempting to "exit" gave me this.

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/dev/xxxxxxxxxxx cointains a file system with errors, check forced.
Inodes that were part of a corrupted orphan linked list found.

/dev/xxxxxxxxxxx : UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
        (i.e., without -a or -p options)
fsck exited with status code 4
The root filesystem on /dev/xxxxxxxxxxx requires a manual fsck

BusyBox v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commands.

So I thought, what the fsck? I mean, what is fsch?
Well obviously it's a File System CHecker.
So the command you need to run to repair the drive is:

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fsck -y  /dev/xxxxxxxxxxx 

Obviously replace xxxxxxxxxxx with your drive partition name.
After issuing the command and typing "exit" the desktop should now boot up normally.

Your welcome.