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Before You Begin
Dell™ Dimension™ 5150/E510 Service Manual
Getting Started
Recommended Tools
Turning Off Your Computer
Before Working Inside Your Computer
Getting Started
This section 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 by performing the removal procedure in reverse order.
Recommended Tools
The procedures in this document may require the following tools:
Small flat-blade screwdriver
Long Phillips screwdriver
Flash BIOS update program floppy disk or 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 the
Start
button, and then click
Turn Off
Computer
.
b. In the
Turn off computer
window, click
Turn 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.
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own
