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il_mix
Journeyman III

External monitor random refresh (black screen) on WIndows 11, Radeon RX 6600M

I recently purchased a HP OMEN 16-n0013nl laptop with Windows 11 (last update installed).

When I connect an external HDMI monitor (tested a couple models), I get random screen refresh (on external and laptop monitor), where both screens turns black and then works again. Windows on the external monitor remains black and need a manual refresh. I also sometimes get glitchy greeny squares on the external monitor during the refresh.

Here a video of the behavior

https://youtu.be/KK9jT-LXJmc

This doesn't happen without an external monitor. Also, this doesn't on Ubuntu.

I've updated AMD Software: Adrenalin Edition to last version 22.11.2.

 

Any hints?

 

Thanks

MIX

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