Alienware 13 R3 - Computer Views; Base View and Power Button

Views
Base
1 Power button (Alienhead)
Press to turn on the computer if it is turned off, in sleep state, or in hibernate
state.
Press to put the computer in sleep state if it is turned on.
Press and hold for 4 seconds to force shut-down the computer.
NOTE: You can customize the power-button behavior in Power
Options.
6