Acer Aspire 7740G Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide - Page 8

Table of Contents Separating the Upper Case from the Lower Case 58 Removing the Touchpad and Button Boards 61 Removing the Left Speaker 66 Removing the USB Board Module 67 Removing the Modem Board 70 Removing the Bluetooth Module 71 Removing the Microphone 72 Removing the Main Board 74 Removing the Right Speaker 77 LCD Module Disassembly Process 79 LCD Module Disassembly Flowchart 79 Removing the LCD Bezel 80 Removing the LCD panel with the Brackets 81 Removing the LCD Brackets 84 Removing the FPC Cable 85 Removing the Web Camera 86 Removing the Antennas 88 Troubleshooting 89 System Check Procedures 90 External Diskette Drive Check 90 External Optical Disk Drive Check 90 Keyboard or Auxiliary Input Device Check 90 Memory Check 91 Power System Check 91 Touchpad Check 92 Power-On Self-Test (POST) Error Message 92 Index of Error Messages 93 Phoenix BIOS Beep Codes 97 Index of Symptom-to-FRU Error Message 101 Intermittent Problems 104 Undetermined Problems 104 Connector Locations 105 Main Board 105 Clearing Password Check and BIOS Recovery 107 Clearing Password Check 107 BIOS Recovery by Crisis Disk 108 FRU (Field Replaceable Unit) List 113 Exploded Diagram 114 Model Definition and Configuration 125 Aspire 7740/7740G Series 126 Test Compatible Components 147 Hardware Device Tests 148 Online Support Information 151 Index 153 VIII