Question PC random crashes black screen!

Mar 18, 2022
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It usually happens about every 5 6 hours when i using chrome or play game, monitor black no signal, keyboard and mouse disconnect but the case still running but no sound in headphone. I can't restart by power button (press it but nothing happens )
, only can use switch on PSU to shutdown the PC and then i can use power button normaly. I try:
  • Update mainboard bios.
  • Use DDU and install new GPU driver.
  • Change new PSU.
  • Change ram slot.
But it still happens . My spec:
  • B450 Mortar Max
  • R5 3600
  • Gigabyte RTX 3060
  • TridenZ Neo 16GB
  • PSU CV650
Helppp!
 

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