I used rm /etc/X11/xorg.conf and then logged off and signed back in. Then I edited the Xorg.0.log file...these are the contents of xorg.0.log: X.Org X Server 1.5.2 Release Date: 10 October 2008 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-16-server x86_64 Ubuntu Current Operating System: Linux roshan-desktop 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:06 UTC 2008 x86_64 Build Date: 24 October 2008 09:06:49AM xorg-server 2:1.5.2-2ubuntu3 (