Acer TravelMate 4730 TravelMate 4730/4730G Service Guide - Page 9

Table of Contents Troubleshooting 123 Common Problems 123 Power On Issue 124 No Display Issue 125 Random Loss of BIOS Settings 126 LCD Failure 127 Built-In Keyboard Failure 127 Touchpad Failure 128 Internal Speaker Failure 128 Internal Microphone Failure 130 HDD Not Operating Correctly 131 ODD Failure 132 USB Failure (Rightside 135 Modem Function Failure 135 Wireless/WiMAX Function Failure 136 Bluetooth Function Failure 136 Robson Module Failure 137 EasyTouch Button Failure 137 Fingerprint Reader Failure 138 Thermal Unit Failure 138 HDMI Switch Failure 139 External Mouse Failure 140 Other Failures 140 Intermittent Problems 141 Undetermined Problems 141 POST Codes Tables 142 Port 80 POST Codes 142 POST Keys and Messages 144 Jumper and Connector Locations 145 Top View 145 Bottom View 146 Clearing Password Check and BIOS Recovery 147 Clearing Password Check 147 BIOS Recovery by Crisis Disk 148 FRU (Field Replaceable Unit) List 149 TravelMate 4730/4730G Exploded Diagrams 150 Main Module 150 LCD Module 151 TravelMate 4730/4730G FRU List 152 Model Definition and Configuration 166 TravelMate 4730/4730G Series 166 Test Compatible Components 175 Microsoft® Windows® Vista Environment Test 176 Online Support Information 179 Index 181 IX