intermittent screen blackout w/ 2x 32'' 4k 144hz screens

ZippZopp

Limp Gawd
Joined
Jan 30, 2007
Messages
380
I have 2 32'' 4k screens. an LG Ultragear 32GQ950-B and a Gigabyte M32u

in some applications (photoshop for example) I'll get this intermittent screen blackout. the screen will go black for a second and then come back. both screens will do it occassionally. has anyone else seen this? I can 100% recreate the issue if I go into photoshop and use the Camera Raw Filter for example.

it seems I can fix it though by running my second screen at 60hz. i've tried several different displayport cables with no luck. I'm running these monitors off a gigabyte 4090, but the issue was also present on my old 3090 on a different PC. is there some limitation i'm unaware of with running multiple screens at 144hz?
 
I have run into a similar issue but with just one monitor doing it more often and found that the other one was accidentally set to 120. So now I run both at 120 and it hasn’t been happening. 3080 gpu for me.
 
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