I've been trying for hours to get Netflix to play in 4K HDR on my brand new ROG SWIFT PG27UDM monitor. Here's everything I've tried: I did a fresh installation of Windows 11, adjusted settings in Edge for DMR, used both the Netflix app and the browser, disabled my secondary non-4K monitor, connected through DisplayPort 1.4 and HDMI 2.1, checked that my Nvidia settings show HDCP capability, and even downloaded the HEVC codec. I verified that YouTube can stream in 4K HDR without issue. I've contacted both Windows and Netflix support, but they haven't been helpful. I'm on the Premium Netflix plan and I have a stable internet speed of over 250 Mbps. Can anyone help me figure this out?
2 Answers
Just a quick question: have you enabled HDR in the display settings for your monitor? Sometimes it’s an easy fix. Also, it might be worth running a bandwidth test to ensure you're truly getting the speeds you're paying for.
Your download speed looks solid, but make sure to check HDR settings in your monitor's options as well. It’s not uncommon for HDR to be disabled by default.

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