To install the latest Windows update did not allow controlling the screen brightness and was at maximum.
To solve the issue, we will do the following:
Pulsamos Windows + X System Properties.
Ahora buscamos Monitors> Integrated Monitor (or Generic PnP) > Uninstall the device
We now click on Search for Changes in Hardware to allow us to install it again.
Finally we will have succeeded in getting it to work correctly.
