Acer TravelMate 4220 TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 7

Table of Contents Features 1 System Tour 1 1 Chapter 1 1 1 TravelMate Tour 5 Open Front View 5 Close Front View 6 Left View 7 Right View 8 Rear View 8 Base View 9 Status Indicators 10 Easy-launch Keys 11 Productivity Keys 12 Phoenix TrustedCore Setup Utility 13 System Utilities 13 Chapter 2 13 13 Accessing the Setup Utility 14 Navigating Through the Setup Utility 15 Setup Utility Menus 16 BIOS Flash Utility 24 Launch Manager 25 Disassembly Tools 27 Stages of the Disassembly Process 27 Equivalent Torque Values 27 System Disassembly 27 Chapter 3 27 System Screw List 28 Pre-disassembly Procedure 28 External Modules Disassembly 29 External Modules Disassembly Flowchart 29 Removing the SD Dummy Card 30 Removing the PC Card Dummy Card 30 Removing the Battery Pack 31 Removing the Lower Case Cover 32 Removing the Memory Modules 32 Removing the WLAN Board 33 Removing and Dismantling the HDD Assembly 34 Removing and Dismantling the ODD Assembly 36 Removing the Processor Cooling Fan 38 Removing the Heat Sink 39 Removing the Processor 40 Main Unit Disassembly 41 Main Unit Disassembly Flowchart 41 Removing the Middle Cover 42 Removing the Keyboard 42 Removing the LCD Module 43 Removing the Upper Case 47 VII