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Yesterday I upgrade Ubuntu 12.04 to Ubuntu 12.10. After restart with Ubuntu 12.10 launcher and top menu weren't shown. So I tried to solve this problem. When I googled this problem I found a solution in ask ubuntu form. I did that solution which link is in below: Ubuntu 12.10 shows no launcher or menu

I followed the solition in step one. After I did this I restart my computer and now Ubuntu cannot launch.

These errors are given:

sck from util-linux 2.20.1
/dev/sda5: clean 292675/14319616 files, 5132792/57276672 blocks
The disk drive for media/Elements is not ready yet or not present 
keys: Continue to wait, or Press S to skip mounting or M for manual recovery 

Spqwing maintenance shell

After Pressing M this error is given:

Filesystem check ot mount failed
A maintenance shell will now be started

Control-D will terminate this shell  and continue booting after re-trying filesystem Any futher errors will be ignored

mountall start starting

then system locked.

Can anyone help me to solve this problem?

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maybe a dup() from… – mf_ May 7 '13 at 1:15

It is always better to make a fresh install for new versions of OSes. I would suggest you take backup of your files, format the disk and do a clean install of 12.10. It takes very less time to do clean install then the time it takes to upgrade from 12.04 to 12.10.

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