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Just to confirm. It's okay to have two monitors and one be HDR and the other not, correct? (Windows 11) (self.pcmasterrace)

submitted 10 months ago by RanchOnPancakes to c/pcmasterrace

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Trying to figure out why plugging in an HDMI cable to my video cards turns off HDR in Windows 22 and won't let me turn it back on. Or rather does, then after a second turns it right back off on its own.

I could swear I did this in the past.

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[–] [email protected] 2 points 10 months ago* (last edited 10 months ago) (1 children)

It should be fine, yes. I can do that on my current AMD rig fine.

What graphics card? Monitor specs?

Depending on the age of your hardware (and cables), it may not be supported over HDMI. Real HDR support was only enabled with HDMI 2.0a in 2015. If you have an older GPU such as a Nvidia 900 series, then it does not support enough bandwidth over HDMI for hdr at higher resolutions. And even having too old a cable can ruin HDR support too, as it will not meet the standards necessary for HDMI2.0a+ and may fall back to slower signal rates.

[–] RanchOnPancakes 1 points 10 months ago* (last edited 10 months ago) (1 children)

nvidia 3070. Primary display is a Alienware AW3423DWF over displayport, second display is literally a 4k TV over HDMI.

I don't care about HDR on the TV I just want to be able to have it on my gaming monitor but also have the TV plugged in.

[–] [email protected] 1 points 10 months ago* (last edited 10 months ago)

hmm. Could be a windows problem. Eliminating the HDMI connection, even if the cable is to an older HDR standard, the DP connection should easily support all forms of HDR since they are more cable agnostic than HDMI is. Windows 11 is a bit of a buggy shit...

Have you tried backing your gaming monitor off of 165hz down to something like 60 and seeing if it allows HDR then? Could be hitting some unexpected cable limit and it's backing off from HDR.