I used the AMD "Catalyst" program (from within Unity) to change to my dedicated graphics card, but now when I try to boot into Ubuntu, I get an error that the graphics driver has failed! Following ...
I'm new to Ubuntu. I have a Pavilion dm4 laptop which has a hybrid graphic card. The integrated one is an intel HD Graphics Family. The discrete card is an ATI Mobility Radeon 5450. I wanted to some ...
Possible Duplicate: How to fix “The system is running in low-graphics mode” error? I use a Lenovo y560 and has 12.04 and Windows 7 installed. When I boot into Ubuntu, I find that the ATI ...
recently I installed proprietary drivers from ATI, but I am unable to switch to integrated GPU using console sudo amdconfig --px-igpu sudo restart lightdm i am able to log in, but then system ...