2014-03-02 15:12 UTC+02.00, Aaron Valdes <aaron78valdes@gmail.com>: > > This is Debian Wheezy on the Power Mac G5 with GeForce FX 5200 Ultra. > I have exactly the same machine. Kernel is 3.1.0-1-powerpc64. Which output connector are you using, DVI (DVI-I-2) or ADC (DVI-I-1)? If you can ssh into the machine, take a look at /var/log/Xorg.0.log. Risto