Win8 screen brightness can not be adjusted to deal with

Users who are accustomed to the original system, upgraded to the Win8 system, many operations are not used to. I want to adjust the brightness of the screen and find that I can't adjust it. I don't know what to do. The following small series will give you a detailed explanation of the solution that the screen brightness cannot be adjusted.

1. Press win+r at the same time to open the computer's running window, then type regedit in the window and click Enter, so you can open the computer's registry editor.

2. left side of the Registry Editor window menu is very rich, you need to expand HKEY_LOCAL_MACHINE \\ SYSTEM \\ ControlSet001 \\ Control \\ Class \\ {4d36e968-e325-11ce-bfc1-08002be10318}.

3. Next, find the KMD_EnableBrightnessInterface2 file in 0000 and 0001 in the window on the right and double-click it, then change the value data to 0.

4. Finally, restart the computer, so that all the operations are completed.

The above is the response to the screen brightness that cannot be adjusted in the Win8 system. After completing the above operation, the user can set the screen brightness according to his or her preference.