Question weird glitch / bug / error

Jan 30, 2022
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I don't know what kind of error or bug is this, just happened now and my PC is like 2 months old.

specs are:
i5-11600
GTX 1650
16gb RAM
500 SSD
750w PSU
aftermarket CPU cooler

i was playing AC Odyssey when this happened. and i tried restarting the PC still the same, my monitor was running on 165hz at that time

View: https://youtu.be/0_rKDyS72Mg


then i tried playing Valorant as seen on the video, this are the same issues I encountered. Please do help. Thank you!