Dell Dimension L___cx User Manual

Page 17

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Removing and Replacing Parts: Dell™ Dimension™ L Series Reference

Overview

Unless otherwise noted, each of the following procedures assumes:

l

You have the

recommended tools

.

l

You have performed the steps in "

Precautionary Measures

."

l

You have removed the computer cover.

l

You can replace or reinstall a part by performing the removal procedure in reverse order.

Precautionary Measures

Before you remove or replace parts in the system, read the following caution for your personal safety and to prevent damage to the system from
electrostatic discharge (ESD).

After you remove or replace parts in the system, observe the following notice to prevent damage to the system:

Recommended Tools

l

Small flat-blade screwdriver

Overview

Hard-Disk Drive

Precautionary Measures

Power Supply and Fan Assembly

Recommended Tools

Control Panel

Cover

Expansion Cards

Rotating the Power Supply

DIMMs

Bezel

Heat Sink

3.5-Inch Front Panel Insert

Microprocessor

Upper 3.5-Inch Drive

Battery

Lower 3.5-Inch Diskette Drive

System Board

5.25-Inch Drive

CAUTION FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE EQUIPMENT.

Before you start to work on the system, perform the following steps in the sequence listed:

1. Turn off your computer and all devices.

2. Ground yourself by touching an unpainted metal surface at the back of the computer before touching anything inside

your computer.

While you work, periodically touch an unpainted metal surface on the computer to dissipate any static electricity that
might harm internal components.

3. Disconnect any devices connected to the computer, including the monitor, from their electrical outlets to reduce the

potential for personal injury or shock. Also, disconnect any telephone or telecommunication lines from the computer.

4. Disconnect the power cable to your computer, and then press the

power button

to ground the system board.

NOTICE: Make sure that all other system cables are connected before connecting the computer to its electrical outlet.

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