Does it pass memtest? Prime 95 run?
I think all of your issues could be attributable to a bad stick of ram. In any case, set your Vram to 2.0V if it is lower than that now. Then test away.
__________________ Intel E8400 Biostar Tpower I45 Diamond HD4870 512mb G-Skill DDR2-1000 4GB Creative Xtreme Audio PC P&C 750W Quad Silencer Antec 900 Logitech G-15, G-5 WC Loop: Swiftech Apogee GTZ Danger Den CPX-Pro, Maze 4 GPU Black Ice GT Stealth 240 Rad |