Table of Contents
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Dell™ Inspiron™ 300/400 Service Manual
Technical Overview
Before You Begin
Top Cover
Bottom Cover
Top Bracket
I/O Bezel
Optical Drive
Drive Bay
Power-Button Bracket
Coin-Cell Battery
Hard Drive
Notes, Cautions, and Warnings
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.
Information in this document is subject to change without notice.
© 2009 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.; Microsoft, Windows, Windows Vista, and 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 D02U series Regulatory Type D02U001 and D02U002
September 2009 Rev. A00
Wireless Mini-Card (Inspiron 400 Only)
Memory Module(s)
Processor Heat Sink (Inspiron 400 Only)
Processor (Inspiron 400 Only)
Chassis Fan
I/O Bracket
Graphics-Card Heat Sink (Inspiron 400 Only)
Graphics Card (Inspiron 400 Only)
Graphics-Card Fan (Inspiron 400 Only)
System Board
System Setup Utility
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Table of Contents
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- Page 1 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.
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Page 2: Before You Begin
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: Disconnect all power sources before opening the enclosure to replace, remove, or install accessories. After the installation is completed, the enclosure must be replaced and all fasteners installed before connecting to the power source. - Page 3 CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.
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Page 4: Removing The Bottom Cover
Removing the Bottom Cover Replacing the Bottom Cover 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. 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. -
Page 6: Removing The Mini-Card
(such as a connector on your computer). NOTE: Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell. If you ordered a wireless Mini-Card with your computer, the card is already installed. Your computer supports one half Mini-Card slot for Wireless Local Area Network (WLAN). -
Page 7: Replacing The Mini-Card
Replacing the Mini-Card CAUTION: The connectors are keyed to ensure correct insertion. Use of excessive force may damage the connectors. CAUTION: To avoid damage to the Mini-Card, ensure that there are no cables or antenna cables under the Mini-Card. ... -
Page 8: Removing The Coin-Cell Battery
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: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. - Page 9 5. Replace the top bracket (see Replacing the Top Bracket). 6. Replace the top cover (see Replacing the Top Cover). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
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Page 10: Removing The Graphics Card
Removing the Graphics Card Replacing the Graphics Card 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. 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. - Page 11 7. Connect your computer and all attached devices to electrical outlets, and turn them on. Back to Contents Page ...
- Page 12 Removing the Graphics-Card Fan Replacing the Graphics-Card Fan 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. 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.
- Page 13 ...
- Page 14 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: The heat sink may be very hot during normal operation. Be sure that it has had sufficient time to cool before you touch it.
- Page 15 Back to Contents Page ...
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Page 16: Removing The Hard Drive
Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell. NOTE: If you are installing a hard drive from a source other than Dell, you need to install an operating system, drivers, and utilities on the new hard drive (see the Dell Technology Guide). -
Page 17: Replacing The Hard Drive
10. Install the operating system for your computer, as needed. See "Restoring Your Operating System" in the Setup Guide. 11. Install the drivers and utilities for your computer, as needed. For more information, see the Dell Technology Guide. Back to Contents Page... -
Page 18: Removing The Drive Bay
Removing the Drive Bay Replacing the Drive Bay 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. 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. - Page 19 3. Align the tabs on the drive bay with the slots on the chassis. Slide the drive bay to align the screw holes on the drive bay with the screws holes on the system board. 4. Replace the two screws that secure the drive bay to the system board. ...
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Page 20: Removing The Processor Heat Sink
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: The heat sink may be very hot during normal operation. Be sure that it has had sufficient time to cool before you touch it. - Page 21 CAUTION: Incorrect alignment of the processor heat sink can cause damage to the system board and processor. NOTE: The original thermal grease can be reused if the original processor and processor heat sink are reinstalled together. If either the processor or the processor heat sink is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.
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Page 22: Removing The I/O Bracket
Removing the I/O Bracket Replacing the I/O Bracket 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. 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. - Page 23 4. Using a hex nut driver, replace the two screws that secure the VGA connector to the I/O bracket. 5. Replace the chassis fan (see Replacing the Chassis Fan). 6. Replace the I/O bezel (see Replacing the I/O Bezel).
- Page 24 Removing the I/O Bezel Replacing the I/O Bezel 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. 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.
- Page 25 Back to Contents Page ...
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Page 26: Removing The Memory Module
Inspiron 300 Inspiron 400 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. 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. -
Page 27: Removing The Memory Module(S)
cutouts (2) notch memory-module connector memory module 3. Insert the memory module into the connector until the memory module snaps into position. If you insert the memory module correctly, the securing clips snap into the cutouts at each end of the memory module. If the securing clips do not snap into position, remove the memory module and reinstall it. -
Page 28: Replacing The Memory Module(S)
3. Use your fingertips to carefully spread apart the securing clips on each end of the memory-module connector until the module pops up. 4. Remove the memory module from the memory-module connector. memory-module connector memory module securing clips (2) ... -
Page 29: Removing The Optical Drive
Removing the Optical Drive Replacing the Optical Drive 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. 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. - Page 30 5. Replace the top bracket (see Replacing the Top Bracket). 6. Replace the top cover (see Replacing the Top Cover). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
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Page 31: Removing The Processor
Removing the Processor Replacing the Processor 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. 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. -
Page 32: Replacing The Processor
Replacing the Processor CAUTION: Ground yourself by touching an unpainted metal surface or the computer stand. CAUTION: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket. ... - Page 33 13. Replace the optical drive (see Replacing the Optical Drive). 14. Replace the top bracket (see Replacing the Top Bracket). 15. Replace the top cover (see Replacing the Top Cover). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
- Page 34 Removing the Power-Button Bracket Replacing the Power-Button Bracket 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. 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.
- Page 35 5. Replace the optical drive (see Replacing the Optical Drive). 6. Replace the top bracket (see Replacing the Top Bracket). 7. Replace the top cover (see Replacing the Top Cover). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
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Page 36: Removing The Chassis Fan
Removing the Chassis Fan Replacing the Chassis Fan 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. 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. - Page 37 3. Replace the four screws that secure the chassis fan to the I/O bracket. 4. Connect the chassis fan cable to the connector on the system board. 5. Replace the I/O bezel (see Replacing the I/O Bezel). ...
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Page 38: Removing The System Board
Replacing the System Board Entering the Service Tag in the BIOS 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. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ ... -
Page 39: Replacing The System Board
17. Lift the system board away from the computer. system board screws (4) Replacing the System Board 1. Follow the procedures in Before You Begin. 2. Align the connectors on the system board with the slots on the chassis and slide the system board in place. ... -
Page 40: Entering The Service Tag In The Bios
CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. 16. Turn on the computer. NOTE: After you have replaced the system board, enter the computer's Service Tag into the BIOS of the replacement system board. ... -
Page 41: System Setup Utility
1. Turn on (or restart) your computer. 2. When the DELL™ logo is displayed, watch for the F2 prompt to appear and then press <F2> immediately. NOTE: The F2 prompt indicates that the keyboard has initialized. This prompt can appear very quickly, so you must watch for it, and then press <F2>. If you press <F2> before the F2 prompt, this keystroke will be lost. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. - Page 42 Indicates the memory speed in MHz Memory Speed Indicates the type of installed memory Memory Technology Main Displays the service tag of the computer if the service tag is present or provides a field to input the Service Tag Setting service tag manually when the service tag is absent Displays current time in hh:mm:ss format...
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Page 43: Boot Sequence
Changing Boot Sequence for the Current Boot You can use this feature to change the current boot sequence, for example, to boot from the CD/DVD drive to run the Dell Diagnostics on the Drivers and Utilities media. On completion of diagnostic tests, the previous boot sequence is restored. -
Page 44: Clearing Forgotten Passwords And Cmos Settings
WARNING: The computer must be disconnected from the electrical outlet to clear the CMOS setting. 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 your computer). -
Page 45: Flashing The Bios
14. Connect your computer and devices to electrical outlets, and turn them on. Flashing the BIOS 1. Turn on the computer. 2. Go to the Dell Support website at support.dell.com. 3. Click Drivers & Downloads® Select Model. 4. Locate the BIOS update file for your computer: NOTE: The Service Tag for your computer is located at the bottom of the computer. - Page 46 8. Click Close if the Download Complete window appears. The file icon appears on your desktop and is titled the same as the downloaded BIOS update file. 9. Double-click the file icon on the desktop and follow the instructions on the screen. Back to Contents Page ...
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Page 47: Technical Overview
Inspiron™ 300 Inspiron 400 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. 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. - Page 48 SATA power connector (SATAPWR1) 2 coin-cell battery socket (BAT1) SATA drive connector (SATA2) SATA drive connector (SATA1) optical drive power connector CMOS jumper (CMOS1) (ODD_PWR1) memory-module connector (DIMM1) 8 processor chassis fan connector (SYSFAN1) Inspiron 400 Inside View chassis fan coin-cell battery drive bay...
- Page 49 processor socket processor chassis fan connector SATA power connector (CPU_FAN) (SATAPWR1) CMOS jumper (JP1) coin-cell battery socket (BT1) SATA drive connector (SATA2) SATA drive connector (SATA1) SATA power connector (SATAPWR2) Back to Contents Page ...
- Page 50 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.
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Page 51: Top Bracket
Removing the Top Bracket Replacing the Top Bracket 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. 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. - Page 52 screw top bracket tabs (2) Replacing the Top Bracket 1. Follow the procedures in Before You Begin. 2. Align the tabs on the top bracket with the slots on the chassis and place the top bracket. ...
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Page 53: Removing The Top Cover
Removing the Top Cover Replacing the Top Cover 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. 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.