Dell Alienware M11x R3 (Early 2011) - Manual (Page 38)

CHAPTER 2: GETTING TO KNOW YOUR LAPTOP
36
PAUSE — Alienware Command Center
Press <Fn><PAUSE> to access Alienware Command Center (for more information,
see “Alienware Command Center” on page 38).
PRT SCRN — AlienFX
Press <Fn><PRT SCRN> to enable or disable the AlienFX illumination.
AlienFX allows you to control your computer’s lighting by creating a theme that
contains all the lighting choices.