Introduce:
one Energy within the pc and wait for it to totally boot.

2 Press the “Fn” and “A” keys in the very same time to disable the sensor. The “Fn” important is found at the bottom left in the keyboard, and it is actually employed to activate more key commands.

3 Change the screen brightness manually by pressing the “Fn” vital coupled with both the left or suitable arrow keys.

4 Enable the light sensor by pressing the “Fn” and “A” keys.