If the lid close switch is dirty, it might get stuck inside the laptop case and cut off the power from the inverter board. The machine was factory reset before being … Is your ASUS keyboard backlight not working after the recent Windows update? A simple reboot of the laptop often fixes or resolves many issues, such as a keyboard backlight not working.
All other F keys work properly and I also no longer have the option in the keyboard section of disk utility for the backlit keyboard.
