@ang3l - since you are using madVR, you should not be switching Windows into HDR mode manually. Windows shouldn't do anything differently. Sounds like the AMD driver is doing something.
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Henry | LG OLED65C7P | Denon AVR-X3500H | ELAC Uni-Fi x7 | ELAC Debut 2.0 SUB3030 x2 | NVIDIA SHIELD TV Pro 2019 | Plex
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