Question I’m experiencing a grid-like pattern of colored squares that appear on lighting

[Torched]

I am experiencing a grid like pattern of colored squares on my display. Anyone got an idea of how to fix this?

https://imgur.com/a/r6yBLP8

 

[Lutfij]

Welcome to the forums, newcomer!

When posting a thread of troubleshooting nature, it's customary to include your full system's specs. Please list the specs to your build like so:
CPU:
CPU cooler:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
Monitor:
include the age of the PSU apart from it's make and model.