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Working on Your Computer
Dell™ OptiPlex™ FX160/160 Service Manual
Recommended Tools
Before Working on Your Computer
After Working on Your Computer
This document provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that:
•You have performed the steps in this section.
•You have read the safety information that shipped with your computer.
•When replacing a component, you have already removed the original, if installed.
NOTE: The color of your computer and certain components may appear differently than shown in this document.
Recommended Tools
The procedures in this document may require the following tools:
•Small
•Phillips #1 and Phillips #2 screwdrivers
•Small plastic scribe
•Flash BIOS update (see the Dell Support website at support.dell.com)
Before Working on Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
WARNING: Some components become very hot during normal operation. Allow system components to cool before touching them.
CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.
CAUTION: When handling your computer, use care not to damage the wireless antenna.
CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its pins.
CAUTION: When disconnecting a cable, pull on the cable's connector or on its
1.Ensure that the work surface is flat and clean to prevent the computer surfaces from being scratched.
2.Shut down your computer.
•In Microsoft® Windows® XP, and Windows XP Embedded: click Start→ Shut down→ Shut down.
•In Microsoft Windows Vista®, click Start 
, click the arrow 
icon, and then click Shut Down to turn off your computer.
NOTE: Ensure that the computer is off and not in a power management mode. If you cannot shut down the computer using the operating system, press and hold the power button for 6 seconds.
3. Disconnect your computer and all attached devices from their electrical outlets.
CAUTION: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.
4. Disconnect any network cables from the computer.