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0answers
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Black screen on boot [duplicate]

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 ...
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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 ...
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Annoying Screen Flickers on MSI U120

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 ...
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GNOME Shell flickering with ATI proprietary drivers

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 ...