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May 14th, 2025 09:25
W11 HDR vs AW3423DWF vs 5080
Hi all, is anyone having issues enabling HDR on W11 using the AW3423DWF w/ a 5000 series card?
My issue is HDR won't turn on. If I power cycle the screen it will turn on, so I basically have to power cycle the screen all the time I need HDR on.
Some more info:
- The issue was not present at all when using a 7900xtx
- The AW3423DWF has the latest fw installed, as well as DDPM
- There is another Dell screen in the system, a S3422DWG which switching HDR on and off also does not work
- There is another screen also hdr capable which when switching HDR on and off works just fine
- Switching HDR via W11 or via DDPM has the same issue
- Keeping just the main screen (AW3423DWF) plugged to the gpu also does not help
Any ideas?
TIA
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thomasck
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8 Posts
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May 20th, 2025 09:44
Let me update this.
A cable change sorted the issue, which is weird.
I was using a fully certified DP 1.4 cable, once I upgraded to a also fully certified 2.1 DP cable the issue was gone. Strange, because the AW3423DWF is DP 1.4 therefore anything above it shouldn't change anything.