I wanted to build a new system for my grandfather as his is quite slow. I've built one other computer before that went smoothly and I foolishly assumed that this one would be the same. Here are the specs:
Intel i7 920
4GB DDR3 Mushkin Ram (3rd DDR3 spped, can't remember)
Gigabyte EX58-UD3R Motherboard (I think this is the problem)
Antec Truepower 650W PSU
Asus EAH4550 512mb
1TB Seagate HDD (5900 rpm version)
Generic Antec Three Hundred Case
I put all the stuff together, careful to keep myself grounded by touching the PSU of a turned on computer. Everything went together smoothly, I plug it in and I see a flash of an LED, a whizz of a fan and then nothing. Less than one second of juice. Now here are the specific symptoms:
PSU fan spins but stops first.
CPU fan spins.
Case fans spin.
No lights on the Mobo on.
No display.
No sound (beeps or otherwise)
I have tried:
Switching RAM into all slots, separately and together.
I have re-aseated the CPU and heatsink twice.
Checked that the thermal paste was evenly spread.
Tested the PSU in another computer, which I knew was working. The computer turned on. Used the PSU from the working computer in the new computer, nothing happened.
Took the whole system out and built a bench system on the Mobo box. Nothing.
Reset the CMOS. Nothing.
Took out the GPU, re-seated the GPU, etc. Nothing.
Prayed to every god I could think of to get my computer working. Nothing.
Any suggestions? Sadly, it's Canada Day tomorrow and all the stores are closed to returning any parts will be hard. I will have to do that on Thursday. Still, if anyone has any suggestions that would be great.
EDIT: And I checked the mounting posts in the case. All are good.
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