I'm a Desktop User. I have installed Nvidia Graphic Driver [GeForce GT 520] from Software & Updates > Additional Drivers. I did a reboot and logged in again when installation was finished. I ...
Ubuntu 12.04 At the moment I'm trying to recover my password on my only account, (but it auto-logs in) so I use the Guest when the computer logs-out/sleeps on my administrator account. So I change ...