Dell Alienware X51 R2 Owner's Manual - Page 7

Before You Begin Turn Off Your Computer and Connected Devices CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1 Save and close all open files and exit all open programs. 2 Access the Settings charm in the Charms sidebar. Tap or click Power and then choose Shut Down. Microsoft Windows shuts down and then the computer turns off. NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions. 3 Disconnect your computer and all attached devices from their electrical outlets. 4 Disconnect all telephone cables, network cables, and attached devices from your computer. 5 Press and hold the power button while the computer is unplugged to ground the system board. Before You Begin | 7