What if Win7 can't adjust the brightness of the screen? The method of adjusting screen brightness by Win7 system

What if Win7 can't adjust the brightness of the screen? When we were using the Win7 system, you need to always face the screen, and the brightness of the screen is very important to us, some Win7 flagship system users feel that the screen brightness is a bit dark or a bit bright, you need to adjust the brightness of the screen, but the user found that can not adjust the brightness of the screen, how to do? The following small series for everyone to bring Win7 system to adjust the screen brightness of the method, a look at it.

The first step, into the Win7 system, we use the shortcut key to press the Win+r, and in the running window, direct input "regedit" click OK;

In the second step, go to the Registry Editor page and Open in order: "hkey_local_machine\system\controlset001\control\class\{ 4D36E968-E325-11CE-BFC1-08002BE10318} item ";

The third step, then you can open the "0000" folder, directly find and double-click to open "Kmd_enablebrightnessinterface2", and the numerical data to "0" click OK.

Users who need to do so can refer to the above method steps for action. The above is a small series of Win7 system to adjust the brightness of the screen, thank you for your reading!