Connect The Ac Adapter; Press The Power Button - Dell Alienware M15x Owner's Manual

Connect the AC Adapter

Press the Power Button

WARNING: The AC adapter works with electrical outlets worldwide.
However, power connectors and power strips vary among countries.
Using an incompatible cable or improperly connecting the cable to a
power strip or electrical outlet may cause fire or equipment damage.
NOTE: The 150 W AC adapter must be connected to the laptop for maximum
gaming performance.
CHAPTER 1: SETTING UP YOUR LAPTOP 9