Working on your computerTurning off your computer — Windows 10CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off yourcomputer.1 Click or tap .2 Click or tap and then click or tap Shut down.NOTE: Ensure that the computer and all attached devices are turned off. If your computer and attached devices did notautomatically turn off when you shut down your operating system, press and hold the power button for about 6 secondsto turn them off.Turning off your computer — Windows 8CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off yourcomputer.1 Turning off your computer:• In Windows 8 (using a touch enabled device):1 Swipe in from the right edge of the screen, opening the Charms menu and select Settings.2 Tap and then tap Shut down• In Windows 8 (using a mouse):1 Point to upper-right corner of the screen and click Settings.2 Click and then click Shut down.2 Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn offwhen you shut down your operating system, press and hold the power button for about 6 seconds to turn them off.Turning off your computer — Windows 7CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off yourcomputer.1 Click Start.2 Click Shut Down.NOTE: Ensure that the computer and all attached devices are turned off. If your computer and attached devices did notautomatically turn off when you shut down your operating system, press and hold the power button for about 6 secondsto turn them off.Before working inside your computer1 Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.2 Turn off your computer.16 Working on your computer