Make the laptop even darker?

Ba
4

I already have the lowest brightness level, but can you somehow make it even darker with some tricks?

Bi

Dark foil on it xD

Ba

(͡ ° ͜ʖ (͡ ° ͜ʖ (͡ ° ͜ʖ (͡ ° ͜ʖ ͡ °) ͜ʖ ͡ °) ʖ ͡ °) ʖ ͡ °)

Gu

There are certainly programs

My

Turn it off completely with a key combination.