Question Zotac 3080ti crashing

[Heartpain]

Hey all 👋
cpu 10900k with overclock extreme in bios
Motherboard asus tuf gaming
Gpu zotac 3080 ti
I have a problem that shows to me white light on motherboard and all games crashing and pc on black screen after that happens
Dp cable changed hdmi cable also changed
Now white light gone but still have same problem in games
Any help please?

 

[sizzling]

What’s the full pc spec including make and model of the psu?

 

[Heartpain]

Psu coolermaster 750w bronze
But it also changed to 850w for sloving test but problem still same!

 

[Heartpain]

Monitor i have MSI ARTYMIS 343CQR 165 hz