We probably can't recommend a good graphics card, although switching to a different type could verify that it is graphics related.
Can you reproduce this problem under Ubuntu Edgy (6.10)? ** Changed in: xscreensaver (Ubuntu) Sourcepackagename: xscreensaver => xserver-xorg-video-mga Assignee: (unassigned) => Simon Law Status: Unconfirmed => Needs Info -- Amd 64 machine freezes https://launchpad.net/bugs/51147 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs