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External Module Disassembly Process 50
External Modules Disassembly Flowchart 50
Removing the Battery Pack 51
Removing the SD Dummy Card 52
Removing the Express Dummy Card 52
Removing the Lower Cover 53
Removing the DIMM 54
Removing the WLAN Board Module 55
Removing the Hard Disk Drive Module 56
Removing the Optical Drive Module 57
Main Unit Disassembly Process 59
Main Unit Disassembly Flowchart 59
Removing the CPU Heatsink Module 60
Removing the CPU 61
Removing the Keyboard 62
Removing the Middle Cover 63
Removing the Power Board 64
Removing the LCD Module 64
Separating the Upper Case from the Lower Case 66
Removing the Speaker Modules 69
Removing the Launch Board 70
Removing the Touchpad Board Module 72
Removing the Bluetooth Board 73
Removing the USB board 74
Removing the Mainboard 76
Removing the Modem Board 77
Removing the RTC Battery 79
LCD Module Disassembly Process 81
LCD Module Disassembly Flowchart 81
Removing the LCD Bezel 82
Removing the Inverter Board 83
Removing the LCD with Brackets 84
Removing the LCD Brackets 87
Removing the LCD Module Hinges 87
Removing the Antennas 88
Removing the Microphone 89
Troubleshooting 91
System Check Procedures 92
External CD/DVD-ROM Drive Check 92
Keyboard or Auxiliary Input Device Check 92
Memory Check 92
Power System Check 93
Touchpad Check 94
Power-On Self-Test (POST) Error Message 95
Index of Error Messages 96
Phoenix BIOS Beep Codes 98
Index of Symptom-to-FRU Error Message 102
Intermittent Problems 106
Undetermined Problems 107
System Block Diagram and Connector Locations 109
System Block Diagram 109
Board Layout 110
Top View 110