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Computer Starts for 1/2 second and stops

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June 18, 2011 4:58:58 PM

My computer starts for half a second (CPU and case fans start spinning) and then stop. I have removed all connections and extracted the motherboard with the same results with solely the CPU, CPU fan, and memory. I used a second power supply, same problem. I purchased a new motherboard, same problem. I removed/switched the memory, same problem. I started without the CPU fan plugged in, same problem. I removed the CMOS battery for an evening, same problem. The only common denominator is the CPU. Is the CPU a possible culprit.

Motherboard: ASUS P5Q-E and P5G41-M LE/CSM
CPU: Core 2 Quad
Memory: DDR2 1066

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June 18, 2011 5:47:36 PM

Are you using on-board video? Or a video card? The reason I ask is I had a bad video card, once, that wouldn't allow the PC to start. I replaced it and it worked.
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June 18, 2011 6:45:47 PM

Sounds like the CPU could be overheating. Did you put the heatsink on right, thermal compound and all?
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February 3, 2012 6:38:36 PM

Best answer selected by mousemonkey.
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February 3, 2012 6:38:38 PM

This topic has been closed by Mousemonkey
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