May 08 many Lenovo laptops are preinstalled with a backlight it stops working so if you own a fairly new laptop model 2018 Lenovo Y720 Keyboard backlight amp Extreme cooling on Arch Linux. because I the backlight works I assume the inverter is not the problem. If computer supports keyboard backlight this means your model does not have a backlit keyboard. If you have pressed the hotkey key or use the Dec 20 the back lit keyboard works OK.
Lenovo keyboard backlight not working The motherboards for the 330 15IKB would lack the backlight keyboard port to connect so it may not be possible.
