Okay I have a Asus P5LD2 Deluxe Wifi-TV Socket 775 Motherboard Intel Pentium D 915 2.8Ghz 800FSB Socket 775 Corsair XMS2 TWINX 1024MB PC5400 DDR2 667MHz (2X512) XFX GeForce 7600 GS 256MB PCIe w/Dual DVI And an Ultra Grid MID ATX Case with a 700w mod PSU my problem is ha! it will boot w/ all LEDs, no beeps, running Hd and fans. but no monitor and then it will turn it'self off... Im wondering if the memory I have is not compatible? I dont know why cos it's 667mhz DDR2 DualChannel that the mobo specs said it would support...I know 9 times out of ten the motherboards just shorting out on the case but I dont think thats the prob... but had one question... if the cpu fan is not plugged into the mobo could this cause an error? cos I have a test fan setup that I use that is not hooked into the mobo for easy access when overclocking and checking heat ratio but is that what's causing it to turn it'self off? help would be greatly appreciated !!!