[SOLVED] NO Post PC unless PSU switched off and on.

Jul 20, 2022
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Hi,

My local computer technician couldn’t find the solution. He did suggest it could be the motherboard…

I have put the problem in the video here:
View: https://youtu.be/QtDPkw7R3ag


Summary:
Pc boots normal. Then after 30 - 120 minutes I will get the first symptoms:
  • Repeated asking what audio device I plugged in.
  • Hw Monitor crashes on start
  • Ryzen Master crashes on start
  • Chrome does not open
Go to shutdown or restart in Windows and screen turns black while fans and Qleds remain on.
I have to manually shutdown holding power button.
Powering on pc gives no beep codes and No Post.

I have to switch off PSU and wait for at least 1 minute before turning back on. Then it will boot into windows, but only to have the cycle repeat.

Any help would be greatly appreciated!

Specs:
Motherboard: Gigabyte X570 UD
PSU: Cooler Master MWE 80Plus 650W
SSD: Samsung 980 500gb m.2
RAM: Kingston Fury beast DDR4 3200mhz 16GB
CPU: Ryzen 9 3900x
GPU: AMD Radeon RX 6600 MSI Mech 2x
 
Jul 20, 2022
8
0
20
1
Issue was the CPU.
Tried CPU in 3 different motherboards and 2 entirely different PC systems, and the problem would follow the CPU.
Replaced my main PC with a new Ryzen and now the problem is no longer present.
 
Jul 20, 2022
8
0
20
1
Issue was the CPU.
Tried CPU in 3 different motherboards and 2 entirely different PC systems, and the problem would follow the CPU.
Replaced my main PC with a new Ryzen and now the problem is no longer present.
 

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