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Unreal Engine causes 4k monitor to go black for a few seconds while moving mouse.

Unreal Engine loads up fine. The problem is moving my cursor anywhere within the application windows causes the monitor to go black for a few seconds. it comes back...then when I move it again...same thing. Moving my cursor anywhere outside the window doesn't cause the problem.

I have: Windows 10 (64-bit) Geforce 1070 GTX (newest drivers)

Product Version: UE 4.20
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asked Sep 24 '18 at 07:57 AM in Using UE4

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avatar image taisuken Sep 24 '18 at 02:01 PM

happen to me also.

avatar image taisuken Sep 25 '18 at 11:06 AM

anyone can help?still got this problem

avatar image LeonBrazil Sep 25 '18 at 07:12 PM

I started having this exact issue yesterday! No idea what changed? Latest drivers with GeForce 1080Ti

avatar image LeonBrazil Sep 25 '18 at 07:28 PM

The latest Nvidia drivers are the culprit. I rolled back to 399.24-desktop-win10-64bit-international-whql.exe No more black screen of annoyance!

avatar image taisuken Sep 27 '18 at 03:42 PM

the new update nvidia still got this problem.any other solution than downgrade the driver?

avatar image taisuken Oct 01 '18 at 03:31 PM

guys I really need help this problem ...please someone!

avatar image matrixcn Oct 02 '18 at 01:19 AM

I haven't tried rolling back the driver as I need the updated ones for compatibility on other things...so that wouldn't be a solution for me in my situation. I will say...Thanks for finding that out though LeonBrazil.

It does seem to be exclusively 4k TV related as I have 2 monitors (TV's). 1x 1080p and 1x 4k Samsung smart. When I drag the Unreal Editor within my 1080p TV...there's no issues present. It's only when I drag the window onto my 4K TV that the issue presents itself. Very Weird!!!

avatar image taisuken Oct 04 '18 at 04:05 PM

After new nvidia driver update ,still got this problem .....

avatar image Hattackk Oct 08 '18 at 09:02 PM

Same here on Nvidia 416.16.

avatar image taisuken Oct 12 '18 at 09:43 AM

Nvidia 416.34 also got this problem

avatar image Gemesil Oct 16 '18 at 08:02 PM

same issue too (1070ti).

avatar image m.d. Oct 18 '18 at 10:54 AM

same issue too since last month

i'm japanese

1080ti,4K monitor

this kind of problem is just only UE4

avatar image Hattackk Oct 19 '18 at 09:27 PM

Still an issue with 4.20.3. This only causes my main display to black out.

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4 answers: sort voted first

Happy solution here !!

Turn your HDR&WCG setting of W10 On !!

Then this trouble gone !!

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answered Oct 20 '18 at 02:06 PM

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avatar image Yuri Meitzen Oct 20 '18 at 06:18 PM

thanks, was having this problem and this fixed it

avatar image InfiRandia Oct 23 '18 at 11:38 AM

Turning HDR & WCG ON in Windows 10 Display settings fixed the issue for me with the latest Nvidia drivers (416.34). Thank you!

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Yep I had to roll back another driver version, I was finding hitches with the one I posted above. This one is the most stable for me: 399.07-desktop-win10-64bit-international-whql-rp.exe

I tried the latest 411.70, that still causes the 4K black screen of annoyance.

Sticking with 399.07 for the time being.

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answered Oct 04 '18 at 06:25 PM

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Finally nvidia 416.94 fix this problem without need turn on HDR

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answered Nov 20 '18 at 12:04 PM

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If it helps anyone...I no longer have the issue anymore after updating to version 4.20.3

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answered Oct 19 '18 at 12:12 AM

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avatar image taisuken Oct 20 '18 at 09:36 AM

im still got this problem after use ver 4.20.3

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