The battery of a laptop can be saved by using the brightness automatic adjusting features, but it is not needed all the time. Sometimes you need the brightness according to your requirement which can be different from an automatic adjustment of brightness. You can disable this feature by just following the below-mentioned process.    First, you have to open the Windows Start Menu, you can do this by clicking on the windows icon which is available in the lower-left corner of your screen. Then search for the Control Panel after entering into the control panel, click on the Hardware & Sound. After this you have to select Power options then you will enter into the plan which allows you to select the disable the automatic feature of the brightness of the screen. After when you have disabled the Automatic feature adjust the screen according to what level of brightness you like.