- I tried with Live CD ubuntu 12.04 64bit
the same problem in live CD too.
- I installed Gnome 3 ,
the same problem in Gnome 3 too .
- I noticed the graphic card shows Unknown in my System Details I added ppa:xorg-edgers/ppa and installed intel graphic driver
the same problem with installed driver too .
- I installed a main line kernel 3.4
the same problem with kernel 3.4
so I tried everything , the problem still exists !!!
- I tried with Live CD ubuntu 12.04 64bit
the same problem in live CD too.
- I installed Gnome 3 ,
the same problem in Gnome 3 too .
- I noticed the graphic card shows Unknown in my System Details I added ppa:xorg-edgers/ppa and installed intel graphic driver
the same problem with installed driver too .
- I installed a main line kernel 3.4
the same problem with kernel 3.4
so I tried everything , the problem still exists !!!