On Wed, Jul 30, 2008 at 12:08 PM, MHR <mhullrich at gmail.com> wrote: >> Also, do you have a way to connect the monitor to a computer running eg Windows, >> just to see it's CentOS and Gnome that's giving you grief and not the hardware? >> > > I can do that, but since it works up to the login in wide screen mode, > I'm fairly certain that it is the gdm (GNOME). Do you have KDE installed too? Does it do the same under KDE? Do you have a Live CD for Knoppix or something, that you could boot and see what happens?