Radeon Video card (HD6550D)
Hi
I am using Ubuntu 12.04 LTS on a new motherboard (Asus F1A55-M) with an AMD A8 Quad core CPU (APU) with on-board video (Radeon HD 6550D). I am running dual screens - a 1440x900 AOC 19" wide and a 1024x768 Phillips 15". I am using Unity.
Firstly the small monitor (while showing information on it when booting) is never up and running once I have logged in - I have to return to the display settings each time to get it to run.
However worse than this are these problems:
1. Sometimes the GUI appears on the wide screen with the mouse frozen and a reboot is required to get the mouse to work.
2. Sometimes there is no login screen after booting even though both have been active at times during the boot process. There is a purple colour in the background but this reverts to no signal. Nothing produces a login screen or a command prompt so I have to hit the power button and try again. Recently this seems to have got worse and happens at most startups.
3. The system will go to sleep (in due course as it should) but is often very difficult to rouse again. I can usually get it going after at least 30s of key pushing.
I am using the supplied drivers as standard. I have read about the proprietory drivers but there seems to be problems.
Any suggestions greatfully received.
John Davey
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