On 21/09/12 02:41, A wrote:
Hi, David. I've had similar issues to you before and i'd suggest you install the proprietary drivers (fglrx) (it automatically blacklists the radeon driver to avoid conflicts) and then do the following command (sudo aticonfig --initial) before you restart, because this command will generate a fresh xorg.conf file which will make the fglrx module responsible for the screen. If that works, you can then edit the xorg.conf and change the resolution to something higher etc At any rate, it should list available resolutions.
I hope this works for you if you haven't solved your problem already :)

4. Install the driver with

sudo apt-get install fglrx fglrx-amdcccle

5. Generate a fresh xorg.conf BEFORE REBOOTING!

sudo aticonfig --initial


Thanks for the info, A. I tried what you suggested and it worked. Although I now have a logo on the bottom right of the screen which says "AMD Unsupported hardware" which I would like to get rid of.

On the plus side, I can attach my HD TV and use that at its full resolution and have my smaller monitor at a suitable resolution for it.

I also found that I could not run the AMD Catalyst Control Center as root from the menu, I had to do it from CLI:

sudo amdcccle

At least it all works now and when I upgrade my monitor to the same size as my TV I will use both at 1920 x 1080.


David K

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