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Games on my RX 5600 XT do not work in fullscreen

Question asked by yaroslow on Apr 6, 2020

I have a 4K TV on which I play games. The Windows desktop resolution set to 3840x2160 and if I run the game in full screen in resolution different from desktop resolution, the screen starts flashing - there is no any picture but only white noise repeating every 5 seconds (4 seconds black screen and 1 second white noise). What's wrong with that? Have you any ideas how to fix it? Will be appreciate for your help.

P.S. games in border mode (or borderless but not fullscreen) with resolution different from desktop work. The trouble appears only in fullscreen mode.

 

My config:

- MSI B450 PRO-VDH MAX (latest BIOS)

- R5 3600

- Ballistix Sport 2x8 Gb 3200 MHz (A-XMP) 

- Sapphire RX 5600 XT Pulse (latest vBIOS, 1750 MHz memory and about on chip) Perfomance mode

- Windows 10 (latest)

- Radeon Adrenaline 20.3.1 (there were other versions and they did not work + only video driver from Windows Update too) 

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