MiniLED backlight local dimming stuck when playing HDR video or stutter in fullscreen game
@itm154 itm1
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2026-04-30
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via CachyOS Forum - Latest posts
As what the title said, my mini-led backlight gets stuck when playing an HDR video or stutter in full screen games. Picture shows where the local dimming zones getting stuck even when exiting the application. Only way to reset the monitor is by turning it off and on again. Monitor is connected via USB-C to DP cable to my laptop with an Nvidia GPU (RTX4050), the MUX switch is set to dGPU only. I know HDR on Linux is in its early stages but this is the most consistent way I’ve been able to reproduce it. The problem looks the same when a full-screen game stutters (e.g screen showing a white menu on a black background and stutters → the miniled backlights gets stuck in the shape of the menu). Doesn’t happen on other fullscreen apps (browser, regular videos, regular desktop browsing, etc…). This has been happening for the entire duration I’ve had my monitor. I am not sure if this issue stems from Nvidia Drivers, Linux, or the monitor itself (problem doesn’t occur on Windows) and I have no idea where I should start looking into. Monitor: Redmi G Pro 27 Q Distro: CachyOS (7.0.1-1-cachyos) Nvidia Driver Version: 595.58.03 DE: KDE Plasma (Wayland)
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