Question Freezing/black screen but audio continues running ?

Apr 8, 2021
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my computer freezes up in strange ways, and I haven't been able to figure out why, would love suggestions.
  • sometimes, all of my windows freeze (e.g. loading icons stop working) but I can still move my mouse around, and audio keeps playing.
  • sometimes, both of my monitors go black, and audio keeps playing.
With both, I can usually still communicate with people through Discord, so the whole computer isn't totally frozen up. Usually requires a reboot, but one time I got my computer to sleep, and when it came back up it was fine.
tends to happen when loading into a League of Legends game (hasn't happened with any other games) but has happened just when doing low-load tasks as well. Doesn't appear to be a temperature issue (max temps are usually like low 60s CPU, high 60s gpu w/AIO cpu cooler)
Troubleshooting i've tried:
  • DDU display drivers and reinstall
  • windows update etc.
  • uninstall/reinstall league of legends and blitz app (thought those were the problem at first)
  • stress tests (prime95 + furmark, OCCT power, cpu, and vram), no crashes, no errors
Specs:

Windows 10,
i7-9700k,
asus 2070 Super
asus rog strix z390-e
16GB gskill 3200
EVGA supernova 750 P2 PSU
 

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