Hello,

My p5k ws motherboard works fine with a Geforce 7600gs but as soon as I try to use a more powerful video card, the screen will go black within 15 minutes and I have to cold boot. I bought a nice power supply just in case that was the problem.

Here is my rig:
Asus P5K WS with latest BIOS
Core 2 Duo E6500
2x2GB Kingston PC2-800
XFX Radeon HD4870 (I also tried an HD5450)
Antec TR2 RX 750W P/S

Is it possible that one of these so called Japanese Polymer caps are bad? If so, where should I look first (This board has...