Dell Latitude 120L User Manual

Dell™Latitude™120LServiceManual

Model PP21L
Notes, Notices, and Cautions
Information in this document is subject to change without notice.
©2006DellInc.Allrightsreserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, and Latitude are trademarks of Dell Inc.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
January 2006 Rev. A00
Before You Begin
Processor Thermal-Cooling Assembly
System Components
Processor Module
Memory, Optical Drive, and Mini PCI Card
Speakers
Hard Drive
System Board
Hinge Cover
Antenna
Keyboard
Fan
Display Assembly
Flashing the BIOS
Palm Rest
Base Plastics
Modem
Pinout Assignments for I/O Connectors
Coin-Cell Battery
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NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

Dell Latitude 120L Specifications

General

Brand	Dell
Model	Latitude 120L
Category	Laptop
Language	English

Summary

Antenna

Base Plastics

Before You Begin

Recommended Tools

Lists the tools required for performing maintenance procedures on the Dell Latitude 120L laptop.

Turning Off Your Computer

Provides instructions on how to safely shut down the Dell Latitude 120L laptop before servicing.

Before Working Inside Your Computer

Details safety guidelines and precautions to follow before opening and working inside the Dell Latitude 120L laptop.

Computer Orientation

Illustrates and labels the different external views and sides of the Dell Latitude 120L laptop.

Screw Identification

Provides a guide to identify and distinguish between different screw sizes used in the Dell Latitude 120L laptop.

Coin-Cell Battery

Removing the Coin-Cell Battery

Step-by-step instructions for removing the coin-cell battery from the Dell Latitude 120L laptop.

Replacing the Coin-Cell Battery

Step-by-step instructions for installing a new coin-cell battery into the Dell Latitude 120L laptop.

Processor Module

Removing the Processor Module

Detailed steps for safely removing the processor module from the Dell Latitude 120L laptop.

Replacing the Processor Module

Instructions for installing a new processor module into the Dell Latitude 120L laptop.

Processor Thermal-Cooling Assembly

Removing the Processor Thermal-Cooling Assembly

Guide to removing the processor thermal-cooling assembly from the Dell Latitude 120L laptop.

Replacing the Processor Thermal-Cooling Assembly

Instructions for installing a new processor thermal-cooling assembly on the Dell Latitude 120L laptop.

Display Assembly

Removing the Display Assembly

Steps to remove the entire display assembly from the Dell Latitude 120L laptop.

Removing the Display Bezel

Instructions for carefully removing the display bezel from the Dell Latitude 120L laptop.

Removing the Display Panel

Guide to safely removing the display panel from the Dell Latitude 120L laptop's top cover.

Replacing the Display Panel

Steps for installing a new display panel into the top cover of the Dell Latitude 120L laptop.

Fan

Removing the Cooling Fan

Detailed instructions for removing the cooling fan assembly from the Dell Latitude 120L laptop.

Replacing the Cooling Fan

Step-by-step guide for installing a new cooling fan into the Dell Latitude 120L laptop.

Flashing the BIOS

Flashing the BIOS From a CD

Instructions for updating the Dell Latitude 120L BIOS using a bootable CD.

Flashing the BIOS From the Hard Drive

Guide to updating the Dell Latitude 120L BIOS by downloading and running an executable file.

Hard Drive

Removing the Hard Drive

Step-by-step guide for removing the hard drive from the Dell Latitude 120L laptop.

Replacing the Hard Drive

Instructions for installing a new hard drive into the Dell Latitude 120L laptop.

Hinge Cover

Removing the Hinge Cover

Guide to carefully removing the hinge cover from the Dell Latitude 120L laptop.

Replacing the Hinge Cover

Instructions for installing the hinge cover back onto the Dell Latitude 120L laptop.

Keyboard

Removing the Keyboard

Step-by-step instructions for removing the keyboard from the Dell Latitude 120L laptop.

Replacing the Keyboard

Instructions for installing a new keyboard into the Dell Latitude 120L laptop.

Modem

Removing the Modem

Guide to removing the modem from the Dell Latitude 120L laptop.

Replacing the Modem

Instructions for installing a new modem into the Dell Latitude 120L laptop.

Palm Rest

Removing the Palm Rest

Step-by-step instructions for removing the palm rest assembly from the Dell Latitude 120L laptop.

Pinout Assignments for I/O Connectors

USB Connector

Details the pinout configuration for the USB connector on the Dell Latitude 120L laptop.

Video Connector

Details the pinout configuration for the video connector on the Dell Latitude 120L laptop.

Speakers

Removing the Speakers

Step-by-step instructions for removing the speaker assemblies from the Dell Latitude 120L laptop.

Replacing the Speakers

Instructions for installing new speaker assemblies into the Dell Latitude 120L laptop.

System Board

Removing the System Board

Detailed guide for removing the system board from the Dell Latitude 120L laptop.

Replacing the System Board

Instructions for installing a replacement system board into the Dell Latitude 120L laptop.

Memory

Removing a Memory Module

Step-by-step guide to removing a memory module from the Dell Latitude 120L laptop.

Replacing the Memory Module

Instructions for installing a new memory module into the Dell Latitude 120L laptop.

Optical Drive

Removing the Optical Drive

Detailed instructions for removing the optical drive from the Dell Latitude 120L laptop.

Replacing the Optical Drive

Instructions for installing a new optical drive into the Dell Latitude 120L laptop.

Mini PCI Card

Removing the Mini PCI Card

Step-by-step guide to removing the Mini PCI card from the Dell Latitude 120L laptop.

Replacing the Mini PCI Card

Instructions for installing a new Mini PCI card into the Dell Latitude 120L laptop.