I do not want my laptop to change brightness when my laptop power is plugged in or unplugged. I've checked the power settings and set all of the settings to 'never' but still have i just installed windows 7 and updated to win 10. I used to think that the screen went blank but today I noticed that it dimmed so much it almost was blank but not quite.
Windows 10 provides a troubleshooter that can help you detect and repair problems related to the battery. Hello, g'day I have a HP Envy m6 Sleekbook and just today I have realized after plugging in the ac adapter that tge screen woul go completly black. If you've got a black screen on boot, various things can cause the problem on Windows 10. There are 8 solutions to help you fix the PC turns on but the screen remains black issue. When I plug it back in the screen comes on. 
If I unplug my charger, the screen returns to normal. Then click the “Change advanced power settings” link. It also turns black sometimes after exiting the game. NOTE: The action and time options are the same when running on battery as they are for when the computer is plugged in.Laptop screen goes black when unplugged windows 10 When the screen goes black try and press the fn f4 key If this does not work 3. Click the down arrow in the box under Set the keyboard backlight action when running on battery and click to select the desired action.
If the Turn on in low light conditions option was selected, you will also have the opportunity to select a length of time until backlight turns off when there is no keyboard activity:. In the Keyboard and Mouse screen, under Keyboard Backlight, click the down arrow in the box under Set the keyboard backlight action when plugged in and click to select the desired action. In the VAIO Control Center window, click Keyboard and Mouse. In the Search screen, in the Search field type VAIO Control Center, and then click the VAIO Control Center icon. NOTE: The Windows Logo + Q key combination will also take you to the Search screen. Point to (but do not click) the lower-right or top-right corner of the screen, and then click to select the Search charm. To see if your computer has it, consult the Marketing Specifications or Users Guide. Not all Sony computers are equipped with this feature. IMPORTANT: In order to use this procedure your computer must have the Backlit Keyboard feature. Follow these steps to configure the keyboard backlight feature.
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