About a month ago, I upgraded to
Ubuntu 12.10 and it has been
freezing frequenly that forces me to shutdown physically and reboot using the
Today after a forced shutdown the computer could not boot any more due to "read error". Now I can boot only with a
DOK. When I tried to recover some documents I couldn't mount the HDD; an error message said:
"Unable to mount location Error mounting /dev/sda1 at /media/ubuntu/617d2b14-df19-4c90-8fee-aa04fbdbb922: Command-line `mount -t "ext4" -o "uhelper=udisks2,nodev,nosuid" "/dev/sda1" "/media/ubuntu/617d2b14-df19-4c90-8fee-aa04fbdbb922"' exited with non-zero exit status 32: mount: wrong fs type, bad option, bad superblock on /dev/sda1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so"