Dell Inspiron N4020 User Manual

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Dell™Inspiron™N4020/N4030ServiceManual
Notes, Cautions, and Warnings
Information in this document is subject to change without notice.
©2010DellInc.Allrightsreserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, and Inspiron are trademarks of Dell Inc.; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell
under license; Microsoft, Windows, Windows Vista, and the Windows Vista start button logo are either trademarks or registered trademarks of Microsoft Corporation in the United
States and/or other countries.
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.
RegulatorymodelP07GseriesRegulatorytypeP07G001;P07G003
March2010Rev.A00
Before You Begin
Battery
Hard Drive
Optical Drive
Module Cover
Memory Module(s)
Keyboard
Wireless Mini-Card
Palm Rest
Power Button Board
Display
Camera
Internal Card With Bluetooth®Wireless Technology
System Board
Coin-Cell Battery
Thermal Cooling Assembly
Processor Module
I/O Board
Speakers
Battery Latch Assembly
Flashing the BIOS
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

Dell Inspiron N4020 Specifications

General

Graphics	Intel HD Graphics
Battery	6-cell Lithium Ion
Display	14-inch 1366x768
Weight	2.2 kg
RAM	4GB DDR3
Storage	500GB HDD
Operating System	Windows 7 Home Premium

Summary

Before You Begin

Turning Off Your Computer

Steps to properly shut down the computer before performing any service procedures.

Before Working Inside Your Computer

Essential safety precautions and guidelines to follow before opening the computer for service.

Battery

Removing the Battery

Procedure for disconnecting and removing the laptop battery from its bay.

Replacing the Battery

Procedure for installing a new laptop battery into its bay.

Hard Drive

Removing the Hard Drive

Steps to remove the hard drive assembly from the computer base.

Replacing the Hard Drive

Steps to install a new hard drive assembly into the computer base.

Optical Drive

Removing the Optical Drive

Procedure for removing the optical drive assembly from its bay.

Replacing the Optical Drive

Procedure for installing a new optical drive assembly into its bay.

Module Cover

Removing the Module Cover

Steps to remove the computer's access cover.

Replacing the Module Cover

Steps to reinstall the computer's access cover.

Memory Module(s)

Removing the Memory Module(s)

Procedure for removing RAM modules from the motherboard.

Replacing the Memory Module(s)

Procedure for installing new RAM modules into the motherboard.

Keyboard

Removing the Keyboard

Steps to remove the computer keyboard from the computer base.

Replacing the Keyboard

Steps to install a new computer keyboard onto the computer base.

Wireless Mini-Card

Removing the Mini-Card

Procedure for removing the wireless communication card.

Replacing the Mini-Card

Procedure for installing a new wireless communication card.

Palm Rest

Removing the Palm Rest

Steps to remove the palm rest assembly from the computer base.

Replacing the Palm Rest

Steps to install a new palm rest assembly onto the computer base.

Power Button Board

Removing the Power Button Board

Procedure for removing the power button assembly from the palm rest.

Replacing the Power Button Board

Procedure for installing a new power button assembly onto the palm rest.

Display

Display Assembly

Procedure for removing the entire display assembly from the computer base.

Display Bezel

Procedure for removing the display bezel from the display assembly.

Display Panel

Procedure for removing the display panel from the display cover.

Camera

Removing the Camera

Steps to remove the camera module from the display cover.

Replacing the Camera

Steps to install a new camera module into the display cover.

Internal Card With Bluetooth ® Wireless Technology

Removing the Bluetooth Card

Procedure for removing the Bluetooth wireless card.

Replacing the Bluetooth Card

Procedure for installing a new Bluetooth wireless card.

System Board

Removing the System Board

Steps to remove the system board assembly from the computer base.

Replacing the System Board

Steps to install a new system board assembly into the computer base.

Entering the Service Tag in the BIOS

Procedure to enter the service tag into the system BIOS.

Coin-Cell Battery

Removing the Coin-Cell Battery

Procedure for removing the coin-cell battery from the system board.

Replacing the Coin-Cell Battery

Procedure for installing a new coin-cell battery onto the system board.

Thermal Cooling Assembly

Removing the Thermal Cooling Assembly

Steps to remove the thermal cooling assembly (heat sink and fan).

Replacing the Thermal Cooling Assembly

Steps to install a new thermal cooling assembly onto the system board.

Processor Module

Removing the Processor Module

Procedure to remove the processor from its socket.

Replacing the Processor Module

Procedure to install a new processor into its socket.

I/O Board

Removing the I/O Board

Steps to remove the input/output board.

Replacing the I/O Board

Steps to install a new input/output board.

Speakers

Removing the Speakers

Procedure to remove the speakers from the computer base.

Replacing the Speakers

Procedure to install new speakers into the computer base.

Battery Latch Assembly

Removing the Battery Latch Assembly

Steps to remove the battery latch assembly.

Replacing the Battery Latch Assembly

Steps to install a new battery latch assembly.

Flashing the BIOS