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Removing and Installing Parts 47
Removing and Installing Parts
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" and "Before Working Inside Your
Computer."
• You have read the safety information in your Dell™
Product Information Guide.
• A component can be replaced or—if purchased separately—installed by performing the removal
procedure in reverse order.
Recommended Tools
The procedures in this document may require the following tools:
• Small flat-blade screwdriver
• Phillips screwdriver
Turning Off Your Computer
NOTICE: To avoid losing data, save and close any open files and exit any open programs before you turn off
your computer.
1
Shut down the operating system:
a
Save and close any open files, exit any open programs, click the
Start
button, and then click
Turn Off Computer
.
b
In the
Turn off computer
window, click
Tur n off
.
The computer turns off after the operating system shutdown process finishes.
2
Ensure that the computer and any 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 4 seconds.