Gateway M520 User Manual page 39

Press and hold F
N
press this system key...
, then To...
Decrease the brightness of the display.
Increase the brightness of the display.
Play or Pause the CD or DVD.
Stop playing the CD or DVD.
Skip back one CD or DVD song or track.
Skip ahead one CD or DVD song or track.
Turn on Num Lock so you can use the numeric keypad.
Press this key combination again to turn off Num Lock.
The Num Lock status indicator appears when this
function is turned on.
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