HLG (HEIF) pictures do not display correctly

Are you using an HLG-compatible external device?

Photos taken with [HLG] selected for [Tone mode] do not display correctly on computers or other devices that are not HLG-compatible. View the pictures on an HLG-compatible computer or other device. For more information on viewing HLG pictures on a computer, visit the following website:

https://onlinemanual.nikonimglib.com/notice/hlg_setting_guide/en/