How to Fix Brightness not working windows 10?

revamp your Monitor Driver and Display Driver.

The steps given below is for manually updating the monitor and display drivers in your Windows 10 computer.

brightness level is not working

Read the steps given below carefully and execute them in the same order as they have been mentioned.

search device

monitors

enable monitor

properties

update driver

browse driver

pick driver

select driver

close

display driver

driver computer

driver pick

choose driver

driver install