I know that optical mouses some time dont read the mouse pad but it might be a lack of power in you computer or something in the background is...
sweet get an XFX 8800 Ultra factory Overclocked one i heard those are sweet i would stay with Nvidia. and you will probably need a bigger power...
Sounds like a lose card if you want you could open the case and push the cards in (usally near the bottom of mother board) shouldnt hurt it.or the...
Separate names with a comma.