Contents

Chapter 1

Chapter 2

Chapter 3

Chapter 4

System Overview 1-1

System Features 1-1

Physical Description 1-2

Status Display 1-4

Battery Charge Gauge 1-5

System Power 1-6

Power Management Mode 1-6

CPU Throttling Mode 1-6

Standby Time-Out 1-7

Suspend Time-Out 1-7

Suspend Mode 1-7

Default Interrupt Assignments 1-8

Technical Specifications 1-9

Initial Procedures 2-1

Initial User Contact 2-1

Visual Inspection 2-2

Observing the Boot Routine 2-4

Eliminating Resource Conflicts 2-5

Getting Help 2-5

Beep Codes and Error Messages 3-1

POST Beep Codes 3-1

System Error Messages 3-2

Running the Dell Diagnostics 3-4

Removing and Replacing Parts 4-1

Recommended Tools 4-1

Precautionary Measures 4-2

Screw Identification and Tightening 4-2

Removing Customer-Replaceable Parts 4-4

Removing Field- and Depot-Replaceable Parts and Assemblies 4-9

ZIF Connectors 4-10

Exploded View of Components and Assemblies 4-11

Display Assembly 4-16

Bezel and LCD Latch 4-18

Inverter for 13.3-Inch Display Assembly 4-19

Inverter for 14.1-Inch Display Assembly 4-20

LCD Interior Assembly 4-21

Panel Rails for 13.3-Inch Display Assembly 4-22

Panel Rails for 14.1-Inch Display Assembly 4-23

LCD Panel and EMI Pan for 13.3-Inch Display Assembly 4-24

LCD Panel and EMI Pan for 14.1-Inch Display Assembly 4-25

Hard-Disk Drive Disassembly 4-26

Diskette Drive Disassembly 4-27

CD-ROM/DVD-ROM Drive Disassembly 4-28

Iomega Zip Drive Disassembly 4-30

Keyboard 4-31

Infrared Board 4-32

LVDS Board 4-33

Heat-Sink Fin Cover 4-34

Processor Module Assembly 4-35

Fan Cover and Fan 4-36

Modem Card 4-37

Video Board 4-38

Palmrest Assembly 4-39

Touch Pad Assembly 4-40

System Board Rails 4-41

DC/DC Board 4-42

Speakers 4-43

PC Card Cage 4-44

System Board 4-45

Audio Jack Board 4-46

Parts and Assemblies List 4-47

Appendix A Unique Parts A-l

Figures Figure 1-1. Front View 1-3

Figure 1-3. Connector Cover above Keyboard 1-4

Figure 1-4. Status Lights on Front of Computer 1-5

Figure 1-5. Battery Charge Gauge 1-5

Figure 4-1. Computer Orientation 4-1

Figure 4-2. Screw Length Identification 4-3

Figure 4-3. AC Adapter Removal 4-4

Figure 4-4. Computer Removal From Port Replicator 4-5

Figure 4-5. Main Battery Removal 4-5

Figure 4-6. PC Card Removal 4-6

Figure 4-7. Hard-Disk Drive Removal 4-7

Figure 4-8. Memory Door Removal 4-7

Figure 4-9. Memory Module Removal 4-8

Figure 4-10. Device Removal from Options Bay 4-8

Figure 4-11. Releasing a Side-Lift ZIF Connector 4-10

Figure 4-12. Exploded View—Computer 4-11

Figure 4-13. Exploded View—13.3-Inch Display Assembly 4-12

Figure 4-14. Exploded View—14.1-Inch Display Assembly 4-13

Figure 4-15. Exploded View—Palmrest Assembly 4-14

Figure 4-16. Exploded View—Base Assembly 4-15

Figure 4-17. Display Assembly Screws—Bottom of Computer 4-16

Figure 4-18. Hard-Disk Drive Disassembly 4-26

Figure 4-19. Diskette Drive Disassembly 4-27

Figure 4-20. CD-ROM/DVD-ROM Drive Disassembly 4-28

Figure 4-21. Iomega Zip Drive Disassembly 4-30

Figure 4-22. Keyboard Screws—Bottom of Computer 4-31

Figure 4-23. Palmrest Assembly Screws—Bottom of Computer 4-39

Tobies Table 1-1. Default Interrupt Assignments 1-8

Table 1-2. Technical Specifications 1-9

Table 3-1. POST Beep Codes 3-2

Table 3-2. System Error Messages 3-2

Table 4-1. Screw Location Template 4-3

Table 4-2. Parts and Assemblies 4-47

Table A-1. Display Assembly Unique Parts A-1

Table A-2. CD-ROM/DVD-ROM Drive Unique Parts A-2

Read This First

A prerequisite for using this manual to service Dell computer systems is a basic knowledge of IBM®-compatible PCs and prior training in IBM-compatible PC troubleshooting techniques. In addition to information provided in this manual and the User's Guidethat came with the system, Dell provides the Diagnostics and Troubleshooting Guide for troubleshooting procedures and instructions on using the Dell diagnostics to test the computer system.

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