Dell XPS 730, Руководство по обслуживанию

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Before You Begin
13
2
Before You Begin
This chapter provides procedures for removing and installing the 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 13
and "Safety Instructions" on page 14.
• You have read the safety information that ships with your computer
.
• A component can be replaced or—if purchased separately—installed by
performing the removal procedure in reverse order.
Technical Specifications
For information on technical specifications of your computer, see the Quick
Reference Guide that shipped with your computer or see the Dell Support
website at support.dell.com .
Recommended Tools
The procedures in this document may require the following tools:
• Small Phillips screwdriver
• Small flat-blade screwdriver
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.
1 Shut down the operating system:
2 Ensure that the computer and all attached devices are turned off. If your
computer and attached devices did not automatically turn off when you
shut down your operating system, press and hold the power button for
about 4 seconds to turn them off.