Chapter

Laptop Repair Made Easy

Laptop Repair Made Easy

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Beep Codes and Error Messages 3-1

POST Beep Codes 3-1

System Error Messages 3-3

Running the Dell Diagnostics 3-6

Chapter 4

Removing and Replacing Parts 4-1

Recommended Tools 4-1

Screw Identification and Tightening 4-2

Precautionary Measures 4-3

ZIF Connectors 4-6

Exploded Views of Components and Assemblies 4-7

Factory Repair Parts and Assemblies 4-11

Deleting the Password 4-18

Hard-Disk Drive 4-19

Diskette Drive 4-20

CD-ROM 4-21

Memory Module 4-22

LCD Assembly 4-23

Front Bezel 4-24

LCD Panel 4-25

Inverter Board 4-26

Microphone 4-26

LCD Assembly Latches 4-27

Power/Suspend Indicator 4-28

Back Bezel 4-29

Keyboard 4-30

Top Assembly 4-32

Speakers 4-34

Status Display Board 4-35

I/R Device 4-36

Power Button 4-37

Touch Pad 4-38

Bottom Assembly 4-39

Processor Board 4-40

Power Supply Board 4-41

Audio Board

4-42

Main Board 4-43

Cache Board 4-45

Index Figures

Figure 1-1. Front View of the Portable Computer 1-2

Figure 1-2. Back View of the Portable Computer 1-2

Figure 1-3. Status Display Panel 1-3

Figure 4-1. Computer Orientation 4-1

Figure 4-2. Screw Identification 4-2

Figure 4-3. Main Battery Removal 4-3

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

Figure 4-5. Options Bay Lock and Latch 4-4

Figure 4-6. Diskette Drive, Secondary Battery, or CD-ROM Removal. . . 4-5

Figure 4-7. PC Card Removal 4-5

Figure 4-8. Releasing a ZIF Connector 4-6

Figure 4-9. Exploded View—Computer 4-7

Figure 4-10. Exploded View—LCD Assembly 4-8

Figure 4-11. Exploded View—Top Assembly 4-9

Figure 4-12. Exploded View—Bottom Assembly 4-10

Figure 4-13. Capacitor C146 (Location) 4-18

Figure 4-14. Hard-Disk Drive Disassembly 4-19

Figure 4-15. Diskette Drive Assembly 4-20

Figure 4-16. CD-ROM Assembly 4-21

Figure 4-17. Memory Module Removal 4-22

Figure 4-18. LCD Assembly Removal 4-23

Figure 4-19. Front Bezel Removal 4-24

Figure 4-20. LCD Panel Removal 4-25

Figure 4-21. Inverter Board Removal 4-26

Figure 4-22. LCD Assembly Latches Removal 4-27

Figure 4-23. Power/Suspend Indicator Removal 4-28

Figure 4-24. Back Bezel Removal 4-29

Figure 4-25. Keyboard Removal 4-30

Figure 4-26. Top Assembly Removal 4-32

Figure 4-27. Speakers Removal 4-34

Figure 4-28. Status Display Board Removal 4-35

Figure 4-29. I/R Device Removal 4-36

Figure 4-30. Power Button Removal 4-37

Figure 4-31. Touch Pad Removal 4-38

Figure 4-32. Bottom Assembly 4-39

Figure 4-33. Processor Board Removal 4-40

Figure 4-34. Power Supply Board Removal 4-41

Figure 4-35. Audio Board Removal 4-42

Figure 4-36. Main Board Removal 4-43

Figure 4-37. Cache Board Removal 4-45

Tables

Table 1-1. Interrupt Assignments 1-7

Table 1-2. Technical Specifications 1-8

Table 3-1. POST Beep Codes 3-2

Table 3-2. System Error Messages 3-3

Table 4-1. Factory Repair Parts and Assemblies 4-11

Table 4-2. Naming Conventions 4-17

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