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PC Won't POST to BIOS after new CPU Install

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  • BIOS
  • CPUs
Last response: in CPUs
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July 19, 2013 10:03:36 AM

Hi all,

I recently installed a new AMD A-8 APU (to replace an apparent faulty one that was causing BSODS) and then I updated the BIOS. At first, when I tried to boot up I received the constant long beeps from my GIGABYTE MB. I pulled out one of the sticks of RAM, it booted just fine, then I restarted with both sticks in and it worked. Well the machine worked just fine all day until someone put it to sleep....that's when it wouldn't POST to BIOS. It just sits there...no post beep, no error beeps, nothing.

I tried pulling each stick of RAM and moving it around, and re-seated the APU...still nothing. Any ideas/thoughts?

Thanks

More about : post bios cpu install

a c 160 à CPUs
July 19, 2013 10:21:45 AM

When you re-seated the APU, did you check for bent pins?
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July 19, 2013 10:23:26 AM

COLGeek said:
When you re-seated the APU, did you check for bent pins?


Yes, I did. But the strange thing is that it worked just fine until the computer was put to sleep and tried to start up again...so the pins are fine
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a c 160 à CPUs
July 19, 2013 10:27:29 AM

If you physically power off the PSU (toggle switch on back of power supply), press the power button on the front (to discharge any redisual power in the system), set the toggle switch to the on position, and then press the power button on the front of the system, does it start properly?
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July 19, 2013 10:29:16 AM

COLGeek said:
If you physically power off the PSU (toggle switch on back of power supply), press the power button on the front (to discharge any redisual power in the system), set the toggle switch to the on position, and then press the power button on the front of the system, does it start properly?


No, it does not. I've actually disconnected and reconnected every cable in the entire machine with no luck.
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Best solution

a c 160 à CPUs
July 19, 2013 10:47:32 AM

I suspect a defective CPU or mobo at this point.

Prior to making that claim, I suggest working through this guide for troubleshooting. If that fails, let us know:

http://www.tomshardware.com/forum/261145-31-perform-ste...
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