yeh, i didn't checked xorg config after ubuntu 10.10 installation because it worked fine out of the box... It was configured to use fbdev driver instead of intel. I just changed line 'Driver "fbdev"' to 'Driver "intel"' in my xorg.config file and this solved my problem. Jacek Małyszko, thank you a lot for your hint :)
P.S. xserver-xorg-video-intel was already installed on my laptop.
yeh, i didn't checked xorg config after ubuntu 10.10 installation because it worked fine out of the box... It was configured to use fbdev driver instead of intel. I just changed line 'Driver "fbdev"' to 'Driver "intel"' in my xorg.config file and this solved my problem. Jacek Małyszko, thank you a lot for your hint :) xorg-video- intel was already installed on my laptop.
P.S. xserver-