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Assembled computer, boots up for 4 seconds - Page 2

post #11 of 50
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post #12 of 50
Thread Starter 
Gonna try a full re-installation
post #13 of 50
Thread Starter 
stuck like hell now.

I've plugged EVERYTHING out and reseated the cpu and cpu cooler.

I then placed it on cardboard and tried to boot it with only the cpu. EXACT same problem again.

Also tried with my brother's PSU.

There are 4 LEDs on the mobo (indication of CPU power) and all 4 of them light up, but go out again after those 5 seconds.
post #14 of 50
Thread Starter 
Should I RMA this one?
post #15 of 50
So it doesn't even POST?

Tbh sounds like a CPU issue if it only boots for a few seconds and then resets.
    
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post #16 of 50
Thread Starter 
Well everything boots up (all fan spins) but I never reach any screen on my monitor.

Are you certain it's CPU related then? :/
post #17 of 50
Quote:
Originally Posted by Guerrilladawg View Post
Well everything boots up (all fan spins) but I never reach any screen on my monitor.

Are you certain it's CPU related then? :/
It's hard to be certain without actually experiencing the problem myself. But the fact that you only boot for a few seconds and never even reach a screen tends to point in the direction of the CPU.

If you have another computer it would be worthwhile to test the CPU in that.

Another potential cause is the motherboard, but it's less likely because everything else that connects to it works.

If you can't see a screen, how do you know that it restarts after 5 seconds? Does the computer lose power and then come back on?
Edited by AquaKool - 6/17/11 at 12:16pm
    
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post #18 of 50
Thread Starter 
Yes, it loses power and after about 2-3 seconds it restarts out of itself. It's easy to see, all fans stop spinning and all the lights go out.
post #19 of 50
Quote:
Originally Posted by Guerrilladawg View Post
Yes, it loses power and after about 2-3 seconds it restarts out of itself. It's easy to see, all fans stop spinning and all the lights go out.
My gut feeling is that you have a CPU problem. But don't RMA the CPU just off of a gut feeling. You need to test it somehow.
    
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post #20 of 50
Thread Starter 
The problem is, I only have one Sandy Bridge motherboard.

I'm actually wondering if the power SW cable isn't wrong...

I tried it out of the case, but the cable wasn't long enough so I put the black thingy on it, the one that's on the keep/reset memory of the CMOS.

Maybe the cable of the case was bad, and connecting both pins together (from power_SW) does the same thing? (infinite reboot)
Edited by Guerrilladawg - 6/17/11 at 12:50pm
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