Table of Contents

Removing the RTC Battery 63

Removing the Fan 63

Removing the Thermal Module 64

Removing the Processor 64

Installing the Processor 65

Removing the Upper Case Assemly 65

Removing the Touchpad Board 66

Removing the Touchpad Cable 66

Removing the VGA Thermal Plate 67

Removing the CPU Heatsink Plate 67

Removing the Second Fan Bracket 68

Removing the ODD Module(1) 68

Removing the ODD Module(2) 68

Removing the HDD Bracket 69

Removing the Main Board 69

Removing the DC Board 70

Removing the I/O Port Bracket 70

Removing the PCMCIA Slot 71

Removing the Speaker Set 72

System Upgrade Procedure 73

Base Unit to Wireless Unit 73

Chapter 4 Troubleshooting 74

System Check Procedures 75

External Diskette Drive Check 75

External CD-ROM Drive Check 75

Keyboard or Auxiliary Input Device Check 75

Memory check 76

Power System Check 76

Touchpad Check 78

Power-On Self-Test (POST) Error Message 79

Index of Error Messages 80

POST Code 83

Index of Symptom-to-FRU Error Message 87

Intermittent Problems 90

Undetermined Problems 91

How to Build NAPP Master Hard Disc Drive 92

CD to Disk Recovery 92

Disk to Disk Recovery 95

Chapter 5 Jumper and Connector Locations 100

Top View 100

Bottom View 101

Chapter 6 FRU (Field Replaceable Unit) List 102

Aspire 1620 Exploded Diagram 103

Appendix A Model Definition and Configuration 114

Model Name Definition 114

Appendix B Test Compatible Components 116

Microsoft Windows XP Environment Test 117

Appendix C Online Support Information 122

Index 124

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