How to Make a Screen Less Bright Without Having to Access the Control PanelIn Feburary 2016 11,

In Feburary 2016 11,
Look through your laptop keys for a 'Fn' key or a dedicated 'dim display' key. The latter is usually indicated with a picture of a sun with a down arrow next to it, or the sun icon might be hollowed out, giving the appearance of being dim.
Press the 'Dim display' key to reduce screen brightness. You might have to press 'Fn' at the same time.
Hold the 'Fn' key and press the down arrow on your keyboard if you do not have a dedicated 'Dim display' key.
Desktop Monitor
Press the 'Menu' button on your monitor.
Press the arrow keys to select 'Brightness' and press 'Enter' to select the option.
Press the down arrow to reduce brightness.
Press the 'Menu' button to exit the menu, or simply wait a few seconds.
In Feburary 2016 11,