Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? I've just installed Ubuntu and i can't access the desktop because the screen sometimes flickers ...
After installing ubuntu 11.10 screen started flickering between two brightness levels i gues its not hardware issue because everything worked perfectly fine on windows which i have been using before ...
My screen brightness changes on my MSI U120 when I log in. I can fix this by switching workspaces, and the screen will stay at a constant brightness. Changing the brightness using the function keys ...
Works fine with opensource drivers, but with catalyst flickers everytime you press on activities or the lower right bar. I have 01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon ...