The brightness of the computer screen will affect the eyesight. We will adjust the screen brightness to the best state, or let the screen brightness adjust automatically. I have also shared with you a screen brightness adjustment software in the front, through which you can quickly set the screen brightness Recently, some users encountered the problem that the screen brightness cannot be adjusted in the notebook win7 system. The keyboard "FN + F6" key combination cannot adjust the screen brightness. In fact, this situation is related to the system registry setting. We can use the registry Modified to solve the problem that the screen brightness cannot be adjusted. The specific setting methods are as follows:
1. First use the combination key "Win + R" under win7 to open the run window and enter the "regedit" command and press Enter or OK;
2. After opening the registry editor, expand the red one by one in the list on the left: HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet001 \ Control \ Class \ {4d36e968-e325-11ce-bfc1-08002be10318};
3. Then open 0000 and 0001 respectively Item, and find KMD_EnableBrightnessInterface2 in it and double-click to open it, then modify the key value to 0, and click the OK button to save the settings and restart the computer to take effect.
The above is the solution to the problem that the screen brightness of the notebook win7 system cannot be adjusted. I hope it can help everyone. For more details, please pay attention to win10 Professional Edition.
