Do you have desktop effects switched on? Have a look at system / prefs / appearance at the visual effects tab and change to "none" and see if the problem continues.
There are a few bugs on similar hardware with similar issues. https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/541492 https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/259385 -- computer freezes on screensaver after upgrade to 10.04 https://bugs.launchpad.net/bugs/577308 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
