Dell N5110 service manual Before You Begin, Recommended Tools, Turning Off Your Computer

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Before You Begin

This manual provides procedures for removing and installing components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist:

•You have performed the steps in "Turning Off Your Computer" on page 9 and "Before Working Inside Your Computer" on page 10.

•You have read the safety information that shipped with your computer.

•A component can be replaced or—if purchased separately—installed by performing the removal procedure in the reverse order.

Recommended Tools

The procedures in this document may require the following tools:

•Small flat-blade screwdriver

•Phillips screwdriver

•Plastic scribe

•BIOS executable update program available at support.dell.com

Turning Off Your Computer

CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

1Save and close all open files and exit all open programs.

2Click the Start button and then click Shut Down.

The computer turns off after the operating system shutdown process finishes.

3Ensure that the computer is turned off. If your computer did not automatically turn off when you shut down the operating system, press and hold the power button until the computer turns off.

Before You Begin

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