The link referred to by vikram appears no longer to be working and has moved to that referred to by Agmenor. Output from fglrxinfo was command not found. ![]() I would bypass the blank screen with Ctrl- Alt- F2 to get a terminal up, which displayed as expected. (Output from the Radeon was colored pixels with no sign of response from keyboard). When I added the AMD Radeon HD 6450 then I would get a blank screen. Wanted to add this to support dual monitors. The device already had a video card (Matrox VGA) which was working fine. I started by following the suggestions here, none of which appeared to work in my case. Just managed to get the above card to work on my device, running 12.04, 64-bit. Then your two problems should both be solved! if this step did not work, you may want to try sudo.follow the instructions given on the installer.if necessary, make the driver be executable with something like chmod +x.use the cd command to place yourself in the folder where the downloaded driver is.Another way for this little step is explained here. mount the USB key with something close to mkdir /mnt/usb followed by sudo mount /dev/sdb /mnt/usb.uninstall all previous versions of flgrx by launching sudo apt-get remove flgrx for example.This is a proof that the Ubuntu operating system is functioning but that the problem is indeed the graphical card. ![]() This results in arriving at a command line interface.
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