![[H]ard|Forum](/styles/hardforum/xenforo/logo_dark.png){kind=logo}
I decided to build a new PC recently after a period of not having built one other than minor upgrades. It will not POST at all any more. Components are as follows:
Asus P6T Deluxe V2
i7 920
x3 2GB Corsair 1333 DDR3
EVGA GTX 260
PC Power & Cooling 750W
What I have done a rough timeline is as follows:
Assembled the PC. It worked normally booted, etc for about two weeks and then stopped booting normally. I would press the power button and the fans would all power up except for the video card. There would be no POST beep codes. If I waited, after about five minutes the video card fan would start to spin and then the PC would POST, boot and operate normally. Because the video card seemed to be the cause of the problem, I RMAd it. The replacement video card did not boot at all so I decided that the problem was probably in the motherboard and RMAd it. The replacement mobo worked normally booting, etc as advertised for about a week and then it stopped booting symptoms as before. Decided that, since the replacement mobo worked briefly, I should RMA the mobo again. The second replacement mobo arrived and booted once. I started to doubt that it was a motherboard problem and, after reading on various forums, started looking at the CPU as the possible cause. RMAd that and had no effect. Read around some more and did the PSU manufacturers recommendations for troubleshooting that. Did not work. RMAd the PSU but that didnt work either. I have not RMAd or replaced the RAM as there are three sticks and the PC does not POST regardless of what combination I have installed.
Right now, I have the motherboard sitting on a desk, on a non-conductive surface, with the processor and fan installed, PSU attached, and the video card and one stick of RAM installed. On pressing the power button, the processor fans will all start to spin but the video card fan does not. I do not get any POST beep codes at all.
At each step, I have done all the CMOS resets I could stomach, replaced CMOS batteries, replaced (via RMA) as pretty much all the hardware, and still I cannot get the machine to even POST. I have followed the If your system doesnt POST troubleshooting guide here and also the information at Asuss forums for the motherboard. I have not attempted to overclock or do anything exotic. What can I possibly have missed?
Asus P6T Deluxe V2
i7 920
x3 2GB Corsair 1333 DDR3
EVGA GTX 260
PC Power & Cooling 750W
What I have done a rough timeline is as follows:
Assembled the PC. It worked normally booted, etc for about two weeks and then stopped booting normally. I would press the power button and the fans would all power up except for the video card. There would be no POST beep codes. If I waited, after about five minutes the video card fan would start to spin and then the PC would POST, boot and operate normally. Because the video card seemed to be the cause of the problem, I RMAd it. The replacement video card did not boot at all so I decided that the problem was probably in the motherboard and RMAd it. The replacement mobo worked normally booting, etc as advertised for about a week and then it stopped booting symptoms as before. Decided that, since the replacement mobo worked briefly, I should RMA the mobo again. The second replacement mobo arrived and booted once. I started to doubt that it was a motherboard problem and, after reading on various forums, started looking at the CPU as the possible cause. RMAd that and had no effect. Read around some more and did the PSU manufacturers recommendations for troubleshooting that. Did not work. RMAd the PSU but that didnt work either. I have not RMAd or replaced the RAM as there are three sticks and the PC does not POST regardless of what combination I have installed.
Right now, I have the motherboard sitting on a desk, on a non-conductive surface, with the processor and fan installed, PSU attached, and the video card and one stick of RAM installed. On pressing the power button, the processor fans will all start to spin but the video card fan does not. I do not get any POST beep codes at all.
At each step, I have done all the CMOS resets I could stomach, replaced CMOS batteries, replaced (via RMA) as pretty much all the hardware, and still I cannot get the machine to even POST. I have followed the If your system doesnt POST troubleshooting guide here and also the information at Asuss forums for the motherboard. I have not attempted to overclock or do anything exotic. What can I possibly have missed?
