To increase brightness screen, click "Start", then then click "Control Panel," "System and Security" and finally, "Power."At the bottom of the screen you will see the option "Screen Brightness" move the slider next to him at the right and comfortable position.This will automatically change the brightness .
It may be that your computer does not support the format settings monitor (or they are out of date), so you need to update the drivers.Usually they are included on the disc when you buy a laptop , or can be downloaded from the manufacturer's website.
Carefully read the keyboard and get to the bottom left corner of the key Fn,
and a number, which is located above the numeric number keys, F1, F2, F3, etc.At some of these F-keys is an image of the sun with a down arrow, and some - up arrow.In some models, instead of the sun may be light, but instead of arrows + and - signs.Hold down the Fn key, and simultaneously press the picture and proper arrow - brightness on your laptop should be changed in the desired direction.
Note that many notebook 's initially set the parameters of different brightness when running on battery or mains.This is to ensure that when you turn off the network automatically enable the economy mode.
If you are not satisfied with these settings, you can set them as convenient to you.To do this, click "Start", then then click "Control Panel," "System and Security" and then "Power Options."In "The choice of power plan" you will find the scheme you want to change - for this click "Change plan settings".On the next page, next to the subsection "blackout", and change the time interval for the "Plugged in" and "On battery" and save the changes.
method described above you put the same value when running on battery or mains, and then when you change the brightness of these modes monitor will remain the same.