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CachyOS Forum - Latest posts

Ran into a frozen black screen issue with latest update Niri Settings GUI Not Appearing Update to Gnome 50 and I'm getting black/blank screen on NVIDIA with hybrid graphics My JBL Quantum 350 headphones dont play sound 90% of the time on linux while on windows it plays audio 99% of the time Niri/Noctalia Shell notifications Getting a black screen after alt-tabbing too many times Rog-control-center Duplicate keyboard and mouse in system settings? Games running very poorly after first session (semi-solved, still need help though!) Amdgpu random hangs (does cachy perhaps plan to carry patches for this)? A little something. The adj script that replaces GNU fmt for non-ASCII text Mouse scroll wheel issues - ratchet Can't start steam after updates of today (17 April) Balena etcher or ventoy QEMU Bridge setup - Maybe already known but I found it pretty difficult to do and needed much reading Multi-boot install: what do I do about my /boot and /boot/efi partition? Do you collect all the solutions and post them on Wiki or Forum? System update - lts headers invalid or corrupted Sick to death of updates killing my games! I messed up my stuff again and cant download any thing now. error below Got Logitech MX4 with Haptic working in CachyOS Need help with the performance button on my Acer Nitro V16 AI Bailing out, you are at your own Troubles in the Starfield What is so special about the new Linux Kernel 7? "Issue: Display brightness is locked at a low level after waking from sleep on CachyOS (latest update) Balena etcher or ventoy Help with kernel update, emergency mode Issue happening only on wayland Display not recognised - low resolution
MiniLED backlight local dimming stuck when playing HDR vi...
@itm154 itm1 · 2026-04-30 · 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)