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Newish Computer Not Posting

Hi all,

My Ryzen 5 1600 computer was working well. I left it alone for 3 months. When I got back, the computer would not post and goes on an infinite reboot cycle. So far I replaced the power supply, memory, motherboard, and graphics card. I unhooked the hard drive to reduce variables. Computer will still not post. Any suggestions?

Specs
Ryzen 5 1600
8x2 GB Crucial Ballistix DDR4 2400
ASRock AB350 Pro4
eVGA 750W G3
RX 580
 
If you have tried everything else it must be the cpu I guess. You said you tried it without a disk drive. Did it get to the no boot volume detected message?
 
Either the CPU or something inside your case is causing a short. I recommend running the system outside the case to test before replacing anything else.
I short video if you need:
 
Either the CPU or something inside your case is causing a short. I recommend running the system outside the case to test before replacing anything else.
I short video if you need:

You posted while I was typing. I guess demented minds think alike.

If you can, try to pull the motherboard from the case and place it on a piece of cardboard or a static bag. Try starting it up by grounding the jumpers and not by using the case switch to see if you might have a grounding problem with your case.
 
No video signal, no beeps or error message of any kind. I took the motherboard out for a bench test and place it on an antistatic bag. Shorted power button jumper. No change in symptoms, still no post, no video, infinite reboot cycle. Is it the CPU I guess? I thought CPUs rarely go bad.
 
No video signal, no beeps or error message of any kind. I took the motherboard out for a bench test and place it on an antistatic bag. Shorted power button jumper. No change in symptoms, still no post, no video, infinite reboot cycle. Is it the CPU I guess? I thought CPUs rarely go bad.

This is one of the reasons why i dont buy boards which do not have a LCD diag display.

OK... going from what you listed...

It seems the Board is dead, or the CPU is dead.
No beeps, unless you do not have a speaker connected to the board directly, means the board is not even cycling.

That means its not going past initialization to give you diag beeps. Again you must have a speaker connected to the board via header, and not via rear speaker plug. It should look something like this:

EBAY2641.JPG


otherwise you wont hear the beeps the board makes.
 
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