Per https://help.ubuntu.com/community/DebuggingXAutoconfiguration the following workaround did work for me:
$ sudo dpkg-reconfigure -phigh xserver-xorg ...choose defaults for everything $ sudo vi /etc/X11/xorg.conf ...in the section "Monitor" (around line 100 in my file), insert these lines before EndSection HorizSync 36-52 VertRefresh 36-60 $ sudo /etc/init.d/gdm restart ...may need to do that twice - the first restart failed for me, probably due to a stray pid file or something like that. -- desktop cd fails to start gdm with hp nc6400 (widescreen, ati-based laptop) https://bugs.launchpad.net/bugs/103945 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs