There are a lot of things, that can be wrong.
First of all, TruTheatre. I always disable any sort of picture enhancements, because Blu-Rays don't need them. But if you prefer unreal, "vivid" colors - then you can play around with it.
Second - graphics drivers. That's a huge mess. Home Theatre PC era is long over and native movie playpack is dead since 2015. This results in horrible driver support. The most common problem messes up black levels - resulting in washed out picture. If you're using Intel graphics - you probably won't face it. Nvidia patched it, but you can still try to change to limited dynamic range (15-255) if you have bad black levels. AMD is the worst one, the problem is unsolvable.
Then you can play with the "Video" settings in your driver and adjust the colors with presets or manual. Those setting are only applied to Blu-Ray and DVD movies in PowerDVD, but mostly not to other media players.
P.S. The most accurate and high quality way to watch films on PC is through MadVR. But you won't be able to use legal Blu-Rays, unless you crack the protection.
This message was edited 1 time. Last update was at Jan 10. 2022 16:38