2025-01-31, 10:21 AM
This is not a Jellyfin issue. Newer LG TVs are incompatible with MKVs that are Dolby Vision. The only solution at present is to change the MKV file to MP4 before placing it on the server. See this thread showing testing and a walkthrough for conversion.
Jellyfin 10.9.4
Open Media Vault 7.4.3-1 (Sandworm)
AMD Ryzen 5 5500
32GB DDR4 3200
Nvidia Geforce GTX 660 2GB
System Disk SPCC SSD 250GB
Video Disk Fitwok FN955 2TB (NVMe)
Other files (music, images etc) Hitachi HCS5C2020ALA632 2TB
Open Media Vault 7.4.3-1 (Sandworm)
AMD Ryzen 5 5500
32GB DDR4 3200
Nvidia Geforce GTX 660 2GB
System Disk SPCC SSD 250GB
Video Disk Fitwok FN955 2TB (NVMe)
Other files (music, images etc) Hitachi HCS5C2020ALA632 2TB