Staring at the computer for a long time every day, easy to cause eye fatigue, computer screen brightness is not suitable will cause eye discomfort, in win7 system, how to adjust the screen Brightness? The following describes how to adjust quickly.
1. Start - Control Panel.
win 7
2. Click on System and Security.
win 7
3. Click on the power option.
win 7
4. Drag the scroll bar to adjust the screen brightness.
win 7
You can also press Win+X:
win 7
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