I/O error often means that there is a problem with hardware. What's on your dmesg? Don't reboot the system now if you have very important data on your HDD because you may never see your data again... If not - you can try running fsck at the boot time, it may help you.
I/O error often means that there is a problem with hardware. What's on your dmesg? Don't reboot the system now if you have very important data on your HDD because you may never see your data again... If not - you can try running fsck at the boot time, it may help you.