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Built a new computer - Not powering on

Last response: in Systems
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Anonymous
December 18, 2010 1:25:12 AM

Hey all,
I'm currently putting together a computer for the first time, and I've encountered a strange problem. I've got everything connected correctly (I think), but when I hit the power switch, the computer doesn't fully power on. It will power up momentarily - the fans and the LED on the motherboard both light up for about a second. But then, the system promptly shuts down for a few seconds, before powering on again.

All of my components are brand new, so outside of a defective power source, I don't know what the problem may be. I guess it's possible that I have the power switch cable to my motherboard switched around, but I've read elsewhere that it doesn't matter in the case of ATX systems.

My specs are as follows:
PSU; 600W Thermaltake
CPU: Intel i5-760
GPU: NVIDIA GTX 450
Motherboard: P55-USB3
HDD: 1TB Western Digital
Case: HAF 922
RAM: Kingston DDR3, 4GB

I have no idea what the hell's going on. Help!
Anonymous
December 18, 2010 1:33:55 AM

[Sorry, double post.]
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Anonymous
December 18, 2010 2:06:07 AM

Nevermind. I am an absolute idiot.
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December 18, 2010 2:16:56 AM

Lol... we all are .... sometimes :p 

Have fun with your new rig
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!