switch users --> black screen, no response [in 12.04]

[Liam Proven]

On 19 May 2013 03:55, "rikona" <rikona at sonic.net> wrote:
>
> Hello Liam,
>
> Saturday, May 18, 2013, 7:16:31 AM, Liam wrote:
>
> > On 17 May 2013 21:06, rikona <rikona at sonic.net> wrote:
> >> Would that fix a USB that has been improperly disconnected and now
> >> does not work?
>
> > Should do, if the drive can be recovered. That is what fsck is for -
> > fixing corrupted filesystems. It's its sole purpose.
>
> I probably did not phrase the question quite right. I am assuming that
> the USB problem is that the final write to the disk did not happen,
> and the disk has been left in an odd, nonfunctional state. The state
> may be changed to something that allows the disk to operate, but will
> the disk still be missing the data that was not written to the disk? I
> don't understand journals, and perhaps this data could be recovered
> when the disk is fixed. Is that possible?

You will not miraculously get back data that had not been written yet, no.
What you will get, barring disaster, is a sane, un-corrupted disk.
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