Make sure to enable Action Keys Mode, if it is not enabled already. I used this diagram to locate the cable under the WLAN card and, as it turned out, the latch that held the backlit keyboard ribbon cable in place had been flipped up. In the BIOS, select BIOS Setup or BIOS Setup Utility, and then use the arrow keys to navigate to the System Configuration tab. I sent my laptop off for repair and the backlit keyboard worked when I shipped it, but when it was returned, the backlit keyboard was not working and didn't respond to the F8 key.

If nothing happens, check the BIOS settings.

Then this needs to be run with sudo from a keyboard shortcut so we must add a line to sudoers. In Windows, press the fn (function) key and the backlight key. Save the above script in /opt/tweaks/kbd_backlight_adjust. If [ $ | tee /sys/class/leds/asus::kbd_backlight/brightness someone please help and let me know if theres a way i can turn the.

its really hard to use my laptop in the dark because i cant see the keyboard at all. ive tried Fn+F9 already and that does nothing. Declare -i KBD_BACKLIGHT_MAX=`cat /sys/class/leds/asus\:\:kbd_backlight/max_brightness`ĭeclare -i KBD_BACKLIGHT_LEV=`cat /sys/class/leds/asus\:\:kbd_backlight/brightness` Acer Aspire 3 A315-31-C588 My backlight has never been on for my Acer laptop, im wondering if this model does not have a backlight function, or what but i cant find anything online for this model.