Table of Contents Chapter Removal and Replacement

General Information 64

Before You Begin 64

Disassembly Procedure Flowchart 65

Removing the Battery Pack 67

Removing the Hard Disk Drive 68

Disassembling the Hard Disk Drive 68

Disassembling the Middle Cover 69

Removing the LCD Module 71

Disassembling the LCD Module 72

Disassembling the Main Unit 75

Removing the Keyboard 75

Removing the DIMM 75

Removing the MODEM Board 77

Removing the RTC Battery 78

Removing the Lower Case 79

Removing the System Board 79

Removing the Touchpad 81

Removing the Fan 82

Removing the PCMCIA Slot 83

Chapter 4 Troubleshooting

System Check Procedures 86

External Diskette Drive Check 86

External CD-ROM Drive Check 86

Keyboard or Auxiliary Input Device Check . . .87

Memory Check 87

Power System Check 88

Touchpad Check 89

Error Symptom-to-FRU Index 90

Intermittent Problems 98

Undetermined Problems 98

Chapter 5 Jumper and Connector Information

Top View 101

Bottom View 102

Table of Contents Chapter 6 FRU (Field Replaceable Unit) List Appendix A Model Number and Configurations Appendix B Test Compatible Components List Appendix C Online Support Information

Chapter 1

System Introductions

This computer was designed with the user in mind. Here are just a few of its many features:

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