The numlock key works normally on my MSI MS-1759 laptop, but its indicator light does not. When the button is pressed, numlock toggles on but its light stays off. Via terminal it can be forced open with:
echo 1 | sudo tee '/sys/class/leds/input3::numlock/brightness'
When the NumLock key is pressed again, the light goes off again and cannot be turned on again. How can I sync the numlock button of my laptop's integrated keyboard to light?