[Solved] Grub is hidden during booting

During booting my Ubuntu 12.04, Grub was hidden. It open Login screen directly instead of Grub, during boot process. So I edit a file  /etc/default/grub as: $sudo gedit /etc/default/grub and commented this line with # :    GRUB_HIDDEN_TIMEOUT=0 then update grub, $sudo update-grub and then reboot . Now it displays Grub during booting :)If you … More [Solved] Grub is hidden during booting

[Solved] Brightness issues in Vaio E-series

I have Vaio E-series laptop. After installing Ubuntu 12.04, its brightness control keys (fn keys) were showing a brightness bar, but brightness was not changing 😦 ==>  This solution works fine for Ubuntu 12.04 and 14.04 . So, I first installed nVIDIA drivers. Make Sure you have installed nVIDIA drivers on your Linux, also check … More [Solved] Brightness issues in Vaio E-series