A: Windows Media Player does not support HEVC or MKV containers. Switch to VLC, MPV, or install the HEVC extension.
: If 4K is missing from Windows settings: Open the NVIDIA Control Panel . Go to Manage 3D Settings > DSR - Factors .
Could you clarify if this fix is for a (like VLC) or a particular gaming console so I can provide more tailored steps?
After the reset, repeat (cable, firmware, source settings) before re‑customising picture preferences.
