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Computer POSTs but only stays on for a few seconds then shuts off

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  • Computers
  • Processors
  • Components
Last response: in Components
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February 22, 2014 3:23:00 PM

Hello,

I feel I should mention that this build previously didn't POST, but I took a look at the processor and saw it had a few bent pins. I tried to straighten them out as best I could, refitted the processor (this took a little bit of persuasion).

Now my computer POSTs, gets past the splash screen then tells me it cant boot into an operating system (which is expected as I don't have one installed, this is a new build) then shuts off. When I restart it, it POSTs and stays on for a shorter time, then I restart it again and it stays on for an even shorter time.

Is this a problem with the processor? Is it a home fix? Do I need a new processor?

Thank you in advance for whatever advise you can offer.

Specs;
AMD FX-8320 Vishera FD8320FRW8KHK
MSI 760GA-P43 (FX)
Samsung DDR3 4GB PC3-10600U 1333MHz x2
NVIDIA GeForce GTX 460 SE
Seagate Desktop HDD ST1000DM003
Corsair CX600M
[No disc drive]

More about : computer posts stays seconds shuts

February 22, 2014 3:52:14 PM

Unplug the power supply and let it sit for a half hour. Then plug it back in and try to boot and enter the BIOS setup. If it enters the BIOS setup and stays there, you're good to go. Load OS to boot drive and go.

If not, pull the processor again and see if you bent any pins again.

Your processor may be ruined. The pins are connected internally to very, very fine wires. Previous or current physical distortion may have broken something internal or possibly something in the socket although the latter is doubtful.

I doubt there's any way to test the processor by itself at home although someone here may have some ideas.
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February 22, 2014 3:55:28 PM

pursuant to the last post also hold down your power button for a few seconds after unplugging the power supply.
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Best solution

February 22, 2014 4:48:33 PM

Due to the shutting off sooner issue every time it almost sounds like a heat issue. Make sure, as well, that the heatsink is mounted properly and that the fan is plugged in and spinning.
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