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Old 10-21-2011, 10:00 PM   #21 (permalink)
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Default Re: 5 sec is all you get

If this were a bad memory issue the post would alert with beeps usually, but its strange ....so you're saying the whole thing (system) powers up for 5 seconds and then turns itself off?

Unplug the hard-drive and try to turn it on, as long as your bios is set up right it should not just switch itself off after 5 seconds, this would indicate a power issue.
Along with the PSU, replace the mains cable you're using.

But honestly my first instinct is temperature as wertz suggested, it fits the profile! if not, mobo is a lemon
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Old 10-21-2011, 10:07 PM   #22 (permalink)
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Default Re: 5 sec is all you get

Quote:
But honestly my first instinct is temperature
I don't see it being heat in 5 seconds - not unless the heatsink was not properly mounted and/or the TIM (thermal interface material) was improperly applied.

But then as I note in my sig, it is always heat. So a failing component just cannot handle the expected current/heat. That said, a failing component may be drawing too much current, causing the PSU to fault.
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