Adding and replacing parts, Before you begin, Recommended tools – Dell Latitude D631 (Early 2009) User Manual
Page 113: Turning off your computer, Before working inside your computer, 14 adding and replacing parts

Adding and Replacing Parts
113
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Adding and Replacing 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" on page 113 and "Before Working
Inside Your Computer" on page 113.
• 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
• Small Phillips screwdriver
• Small plastic scribe
• Flash BIOS update program CD
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 Start→ Shut Down→ Shut
down→ ΟΚ.
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 about 4 seconds to turn them off.
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to
help ensure your own personal safety.