markie-boy:

Knoppix 5.0.1 now uses X.org rather than the previous Xfree86. It might be as simple as selecting the right module on boot up. Have you tried something like "knoppix xmodule=i810"? I'mm not sure what your graphics hardware consists of, but you might need to select the proper module to match your hardware. The cheat code section in the documentation link above will spell out some choices. The information there is also a bit dated and points to xfree86, so you might head over to x.org and poke around for a little insight. There are also some issues with some gpus and the version that is contained in Knoppix 5.0.1. If version 4.0.2 works well for you, I would recommend that you use it until the next knoppix update, where hopefully the x.org issues will be worked out with a newer version.