Setting Monitor Brightness From Your Keyboard

• 1). Press and hold the "Fn" key located on your computer's keyboard.
  
  
• 2). Press the up and down arrows on your keyboard to adjust the brightness. Press up to increase the brightness of the screen, and down to dim the screen.
  
  
• 3). Continue holding the "Fn" key if the previous steps have not yet increased or decreased your brightness.
  
  
• 4). Check your "F1" to "F12" keys on your keyboard, because sometimes they have icons describing their actions
  
  
• 5). Press "F7" and "F8" while holding "Fn" to try adjusting your monitor's settings. This is the alternative to using the keyboard arrows to set your preferences.