Question Monitor suddenly stop receiving signal

Nov 16, 2021
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Hi, I built a PC a few weeks ago and it works perfectly until yesterday. Now, suddenly the monitors (one connected via HDMI and the other one via DP) turned black and they say "No signal" but the programs and the game are still running. It occurred 3 times and always I was playing different games.
I tried different things:
  • I tried to change them to the motherboard but they are still in the "No signal" state.
  • I checked the temperature and it's ok in every component.
  • I tried with one monitor connected and it happened too.
  • I updated the motherboard and GPU drivers to the latest versions.
After restarting the computer it works correctly. I read some questions about similar problems but normally the problem is that the monitor doesn't have a signal from the beginning but my monitors go off suddenly and randomly.
Do you know what could be the problem?
 
Nov 16, 2021
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Sorry, I forgot the specs.
Motherboard: ASUS TUF GAMING Z590-PLUS
CPU: Intel Core i7-11700K
RAM: Corsair Vengeance RGB Pro SL DDR4 3200 PC4-25600 32GB 2x16GB CL 16
GPU: NVIDIA 3080Ti Founders Edition
PSU: MSI MPG A850GF 850W 80 Plus Gold Modular
SSD: Corsair MP600 CORE 1TB M.2 NVMe PCIe Gen 4 x4 SSD
Monitor 1 (DP): ASUS TUF GAMING VG259QM
Monitor 2 (HDMI): AOC 215lm00059

Thank you in advance.
 
Nov 16, 2021
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Hi, I checked my PSU and I saw that the cable connected to the GPU was loose. After properly connecting it again, it works perfectly.

Thank you!
 

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