Looks like a driver problem. Do you have the proposed repository activated since there was no -intel driver update since late may.
** Changed in: xserver-xorg-video-intel (Ubuntu) Sourcepackagename: xorg => xserver-xorg-video-intel Status: New => Incomplete ** Summary changed: - screen doesn't refresh properly after latest updates to Hardy + partly corrupted screen after latest updates to Hardy [945GM] -- partly corrupted screen after latest updates to Hardy [945GM] https://bugs.launchpad.net/bugs/250062 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs