Contents

Advance Technical Repair of Laptops Motherboard

Computer Repair Mastery Course

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Chapter 1

Chapter 2

Chapter 3

Chapter 4

System Overview 1-1

System Features 1-1

Physical Description 1-2

Status Display 1-3

Battery Charge Gauge 1-4

System Power 1-5

Power Management Mode 1-5

Smart CPU Mode 1-6

Standby Time-Out 1-6

Suspend Time-Out 1-6

Suspend Mode 1-7

Interrupt Assignments 1-7

Technical Specifications 1-8

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

Screw Identification and Tightening 4-2

Precautionary Measures 4-2

ZIF Connectors 4-8

Exploded View of Components and Assemblies 4-10

Factory Repair Parts and Assemblies 4-15

Hard-Disk Drive 4-28

Combo Module 4-29

General Disassembly 4-31

Keyboard 4-32

Thermal Shield and Internal Modem 4-34

Display Assembly and Components 4-36

Display Assembly 4-37

Front Bezel 4-38

13.3-Inch LCD Panel 4-39

13.3-Inch LCD Brackets and Carrier Tray 4-41

14.1-Inch LCD Panel, Brackets, and Carrier Tray 4-42

Palmrest Assembly and Components 4-44

MPEG-2 Card 4-45

Palmrest Assembly 4-46

IR Board 4-48

Hard-Disk Drive Heat Shield 4-49

Touch Pad Assembly 4-50

Speakers 4-52

Base Assembly and Components 4-53

PC Card Heat Sink 4-54

Heat Exchanger/Fan 4-55

DC-DC Board 4-56

LVDS Board 4-57

Processor Board and Memory Module 4-58

Hinge Saddles 4-60

RJ-11 Card 4-61

System Board 4-62

PC Card Cage 4-63

Audio Card and Audio Thermal Shield 4-64

Latch Assembly 4-65

Figures Figure 1-1. Front View 1-2

Figure 1-3. Indicator Panel above Keyboard 1-3

Figure 1-4. Indicator Panel on Front of Computer 1-4

Figure 1-5. Battery Charge Gauge 1-5

Figure 4-1. Computer Orientation 4-1

Figure 4-2. Screw Identification 4-2

Figure 4-3. AC Adapter Removal 4-3

Figure 4-4. Computer Removal From Inspiron Port Replicator II 4-4

Figure 4-5. Main Battery Removal 4-4

Figure 4-6. PC Card Removal 4-5

Figure 4-7. Hard-Disk Drive Removal 4-6

Figure 4-8. Memory Module and Video Card Cover Removal 4-6

Figure 4-9. Memory Module Removal 4-7

Figure 4-10. Video Card Removal 4-7

Figure 4-11. Combo Module or Secondary Battery Removal 4-8

Figure 4-12. Releasing a ZIF Connector 4-9

Figure 4-13. Exploded View—Computer 4-10

Figure 4-14. Exploded View—13.3-Inch Display Assembly 4-11

Figure 4-15. Exploded View—14.1-Inch Display Assembly 4-12

Figure 4-16. Exploded View—Palmrest Assembly 4-13

Figure 4-17. Exploded View—Base Assembly 4-14

Figure 4-18. Hard-Disk Drive Disassembly 4-28

Figure 4-19. CD-ROM/DVD-ROM Disassembly 4-29

Figure 4-20. Diskette Drive Disassembly 4-30

Figure 4-21. Keyboard Removal 4-32

Figure 4-22. Thermal Shield Removal 4-34

Figure 4-23. Modem Removal 4-35

Figure 4-24. Display Assembly Removal 4-37

Figure 4-25. Front Bezel Removal 4-38

Figure 4-26. 13.3-Inch LCD Panel Removal 4-39

Figure 4-27. 13.3-Inch LCD Brackets and Carrier Tray Removal 4-41

Figure 4-28. 14.1-Inch LCD Panel Removal 4-42

Figure 4-29. MPEG-2 Card Removal 4-45

Figure 4-30. Palmrest Assembly Removal 4-46

Figure 4-31. IR Board Removal 4-48

Figure 4-32. Hard-Disk Drive Heat Shield Removal 4-49

Figure 4-33. Touch Pad Assembly Removal 4-50

Figure 4-34. Speaker Removal 4-52

Figure 4-35. PC Card Heat Sink Removal 4-54

Figure 4-36. Heat Exchanger/Fan Removal 4-55

Figure 4-37. DC-DC Board Removal 4-56

Figure 4-38. LVDS Board Removal 4-57

Figure 4-39. Processor Board and Memory Module Removal 4-58

Figure 4-40. Hinge Saddle Removal 4-60

Figure 4-41. RJ-11 Card Removal 4-61

Figure 4-42. System Board Removal 4-62

Figure 4-43. PC Card Cage Removal 4-63

Figure 4-44. Audio Card and Audio Thermal Shield Removal 4-64

Figure 4-45. Latch Assembly Removal 4-65

Tobies 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 3-2

Table 4-1. Factory Repair Parts and Assemblies 4-15

Table 4-2. Screw Location Template 4-31

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