ok,
now i got my notebook connected to my TV by HDMI, I have 2 problems: 1st of all, theres no sound via HDMI and the 2nd one which is annoying me much more at the moment since I can't find any posts about this: the notebook is getting very, very slow, just in the moment I connect the TV. I doesnt't matter wheter I configure it as mirror display or not.
Any suggestions? Whats the name of the open source ATI driver by the way? Maybe reinstallation helps...