Dell OptiPlex GX100 - Setup and Operation; Overview; Basic Checks; Troubleshooting

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Low-Profile Chassis — RemovingandReplacingParts:Dell™OptiPlex™GX100
Systems Service Manual
Overview
This section provides procedures for removing and replacing the components, assemblies, and subassemblies in the Dell OptiPlex low-profile
chassis GX100 system.
Unless otherwise noted, each procedure assumes that the following conditions exist:
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 unless additional information is provided.
Recommended Tools
Most of the procedures in this file require the use of one or more of the following tools:
l Small flat-blade screwdriver
l Wide flat-blade screwdriver
l #1 and #2 Phillips-head screwdrivers
l 1/4-inch nut driver
Also, use a wrist grounding strap as explained in "Precautionary Measures."
Precautionary Measures
Before you perform any procedure in this section, take a few moments to read the following caution for your personal safety and to prevent
damage to the system from ESD.
Overview
Recommended Tools
Precautionary Measures
Internal Views
Computer Cover
Eject, Power, and Reset Buttons
Front-Panel Inserts
Control Panel
Chassis Intrusion Switch
Drives
System Power Supply
Riser Boards
System Board Components
Expansion-Card Cage
Expansion Cards
DIMMs
Microprocessor/Heat Sink Assembly
System Battery
System Board
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 the computer and all peripherals.
2. Disconnect the computer and peripherals from their AC power sources. Also, disconnect any telephone or telecommunication lines
from the computer. Doing so reduces the potential for personal injury or shock.