Windows 8.1 brings a number of new features one of which the shutter automatically detects the ambient light level and then intelligently instruct the computer to adjust the screen lighting levels with the aim to avoid eye damage.
The purpose of this feature is very good, but for some people this feature makes their eyes, must continue to work to adjust the screen light. In fact some users feel annoyed and decided to turn off this feature. Well, if you want to catch up, here's how.
How to Turn off Automatic Light Control Features in Windows 8.11. To turn off the computer screen shutter feature only need 5 simple steps, starting by opening the Control Panel and then click Power Options.
2. In this window click Change plan settings.
3. Then click Change advanced power settings.
4. A moment later, a new window will appear, which are smaller, find the Display options - Enable adaptive brightness.
5. Then the option On batery and Plugged in, change from "On" to "Off" and then save the settings.
Now the light level setting feature, automatically has been disabled, you can set the exposure manually using your computer keyboard hotkeys.