3 days ago I spent neally £2500 on a Quad Core 6850 PC with 2 Nvidai 8800 Ultras and 8 GB Ram. The case is anAntec P190 with 2 power supplies
(total 1200 Watts). The computer worked fine for 3 days but won't now power up.
I used to switch on the one power supply so the top 2 fans would...