Question RGB flickering, PC crashes to desktop, and no signal to the monitor ?

May 27, 2024
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Hello, I’ve been having trouble with my computer lately.
A couple of weeks ago, I upgraded the PSU to a bequiet! Pure Power 12 850w, and everything worked perfectly as before.

But for a few days now, the LEDs of the EK pump have started to flicker and change color without control.
Considering it was a minor problem to solve later, I continued to use the PC normally.

These days I’m playing Valheim, and I’ve had several CTDs that my friends, in the same condition, never had. I tried every possible troubleshooting step to fix the game and today I managed to play a long session, but after that the GPU stopped sending signals, there was a black screen on both monitors, and the PC was still working (I could hear the in-game audio), but I had to restart.

Can it be a faulty PSU? Is there something I can try before using the old PSU again? Any other helpful thoughts?


PC Specs:
  • CPU:Ryzen 7 5800x3d
  • GPU: NVIDIA GeForce RTX 3090 EK Liquid Cooled
  • RAM: Corsair Vengeance LPX DDR4 3600 2x16GB
  • Mobo: Gigabyte Aorus X570 Xtreme
  • PSU: BeQuiet! Pure Power 12 M 850w (old PSU: Gigabyte AP850GM)
  • Drive: Samsung 990 Pro
  • CPU Cooler: Noctua NH-D15
 
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