This happens if you play an HDR file on a non-HDR screen without "Tone Mapping." Use a player like VLC or MPC-HC which can automatically convert HDR colors for standard displays.
A modern GPU (Nvidia GTX 10-series/AMD RX 400-series or newer) or a CPU with HEVC 10-bit hardware acceleration. 2. Understanding the File Name XMEN_A_UHD_HDR_x265_BLUEBIRD.mkv
If you are troubleshooting playback or trying to re-encode similar files using tools like Handbrake , expert communities on Reddit suggest these standard 4K HDR parameters: H.265 10-bit (x265). Quality: Constant Quality (RF) 20 to 22. This happens if you play an HDR file