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I Recently bought a HDR capable monitor (electriQ 28" 4K UHD EIQ-284KMB-HDR). I had some difficulty with hdr, but in the end, downloaded VP9 Video Extension to get HDR to work. Since then, when i have HDR enabled on my monitor, my settings are forced to "show only on 1" where 1 is my new 4k monitor. when looking art display settings, my second monitor is tiny, like 1/4th the size of the 1. If i try to change to "extend these displays", either HDR gets turned off, or the 2nd monitor just doesnt turn on. When HDR is turned off and both monitors are on, i cant turn HDR on as it makes the screens flicker then turn back on with HDR still off and games and apps showing no support for HDR.

I have all my drivers up to date both through a 3rd party app and windows update. This is on windows 11

GPU: Rx 550

CPU: i7 9700k

mobo: z390 Gaming Plus

Ram: 3700 MHZ ddr4

I hope this is enough information to help me. I have searched all ovet the internet and it just the stupid things such as restart pc, update drivers, make sure im clicking the right thing etc.

What i personally believe might be the issue is i have downloaded the incorrect codecs or something along those lines.

With HDR:
with hdr

Without HDR:
without HDR

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    What model is your other monitor? I also don't like using an app for finding driver updates, that usually gets you in trouble.
    – harrymc
    Commented Jan 9, 2022 at 17:24
  • @harrymc the other monitor is an Samsung S24E650
    – Kamil Leocadie-Olsen
    Commented Jan 9, 2022 at 17:43
  • The Samsung is 1K but the electriQ is 4K. It's logical that the first is shown as a quarter of the size of the second. What exactly is the problem?
    – harrymc
    Commented Jan 9, 2022 at 17:53
  • @harrymc Thats not how that works as its based on the screen dimensions and not resolution. when hdr is off the difference is minimal. The Problem is that i cannot have both monitors on at same time when my 4k has HDR turned on
    – Kamil Leocadie-Olsen
    Commented Jan 9, 2022 at 17:58
  • Kamil - Screen alignment in Windows is entirely based on resolution. Size is totally ignored.
    – Tetsujin
    Commented Jan 9, 2022 at 18:06

1 Answer 1

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I had the same problem, with RX 580. Revert back to 21.8.1 driver version after using display driver Uninstaller in Safe mode. I can't use HDR in extent view on the latest driver, but working without problem on this older one. Hope it helps!

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