Toshiba L750D Fn Buttons

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https://bbs.archlinux.org – I've been having this same problem with my Toshiba Satellite A660. I found that I can change the brightness by echoing a value to a different /sys/ file.First, look for other backlight interfaces:$ ls /sys/class/backlight/ acpi_video0 toshibaacpi_video0 is a common one I believe, and also intel_backlight. Try setting the brightness on any of these non-`toshiba` backlights. This is what worked for me:# echo 3 > /sys/class/backlight/acpi_video0/brightness(the max_brightness file says 7, so I am able to pick any brightness 0-7 inclusive) kalio https://bbs.archlinux.org/profile.p (HowTos)