Computer will only turn on when you reseat the motherboard power supply connector
Posted on 2012-08-11
I have never been more stumped. I woke up this morning and everything in the house was turned off, i assume the power went out. I turned everything back on and had no problems, except with my home server. It would turn on as if it were going to boot, but nothing would ever appear on the screen. Fans and harddrives were spinning and lights were turned on normally. I first checked the monitor and it would good, then i checked the video card and it was good. Then i tried using a new power supply from another computer and it still would not boot, even when i brought the PC down to bare minimum parts. I also tested the RAM and ram slots.
I assumed the motherboard or CPU were dead, and decided it was a good time for an upgrade since its tax free weekend. I went out and bought the 8 core amd cpu 3.1 ghz and the ASROCK 970DE3/U3S3 AM3+ ATX motherboard. Installed them and everything started working great, then after 3-4 reboots to install drivers the problem reappeared! I went through the same steps and decided it had to have been the power supply that fried the old motherboard and thus has fried this board as well. I went out and replaced the motherboard and got a new corsair 750w power supply and installed them. The computer turned on but the very next time i rebooted the problem returned!!
After playing around with it as much as i can, i have learned that the computer will only boot after i have taken out the power supply motherboard connector and put it back in. Once i take it out, the moment i put it back in the computer boots up normally and works, even if i dont press the power button on the computer.
I am so confused, any idea what is going on?