Brightness slider moves but has no effect on the actual display brightness

I am using Ubuntu 26.04 LTS on an Acer ALG AL15G-53 laptop. System information OS: Ubuntu 26.04 LTS Kernel: 7.0.0-30-generic Desktop Environment: GNOME 50.1 Session: Wayland Display: 1920×1080, 144 Hz (built-in laptop display) GPU: Intel UHD Graphics Dedicated GPU: NVIDIA GeForce RTX 3050 Laptop GPU Problem I am having a problem with the screen brightness control. The brightness slider in GNOME…