Originally Posted by FlatFace
Oh, and if it helps, I had this same problem with my old GF4 MX420... Didn't bother trying to fix it then, but now that I have a better card, I thought I may as well put it to work.
Going from an MX420 to an MX4000 isn't an upgrade at all, more of a lateral move. Had you gone from an MX420 to a GeForce FX or greater, then that would be cause for concern.