A known issue may cause artifacts such as white dots/pixels to appear during playback.
There are artifacts such as white dots when playing hevc-265 video.
The issue is resolved by updating the motherboard's BIOS as confirmed by multiple users on this community thread.
If you already have the latest BIOS available for your computer's motherboard, we recommend reporting the issue directly to your Original Equipment Manufacturer (OEM) to request a new BIOS update that can address this issue.