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Backlight keys issue on Asus G75VW

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https://bbs.archlinux.org – I just installed Arch Linux with Gnome and the nvidiabl driver from https://github.com/guillaumezin/nvidiabl , and it seems to work. If I do "echo x > /sys/class/backlight/nvidia_backlight/brightness" the brightness does change. However, if I try to use my shortcut keys (Fn+F5, Fn+F6), the brightness does not change. It seems that Gnome edits "/sys/class/backlight/acpi_video0/brightness", which obviously doesn't change my screen brightness. I've tried the following:- Adding "acpi_osi=Linux acpi_backlight=vendor" to my boot settings: Gnome doesn't (HowTos)