Acer Aspire 4930 Aspire 4930 / 4930G Service Guide - Page 9

Table of Contents Replacing the Antenna Cables 143 Replacing the Speaker Module 144 Replacing the Keyboard 144 Replacing the Switch Cover 145 Replacing the WLAN Module 145 Replacing the Hard Disk Drive Module 146 Replacing the DIMM Modules 147 Replacing the ODD Module 148 Replacing the Lower Covers 148 Replacing the Express and SD Card Trays 149 Troubleshooting 151 Common Problems 151 Power On Issue 152 No Display Issue 153 Random Loss of BIOS Settings 154 LCD Failure 155 Built-In Keyboard Failure 155 Touch Pad Failure 156 Internal Speaker Failure 156 Internal Microphone Failure 158 HDD Not Operating Correctly 159 ODD Failure 160 USB Failure (Rightside 163 Modem Function Failure 163 Wireless Function Failure 164 EasyTouch Button Failure 164 MediaTouch Button Failure 165 Fingerprint Reader Failure 165 Thermal Unit Failure 166 HDTV Switch Failure 166 External Mouse Failure 167 Other Failures 167 Intermittent Problems 168 Undetermined Problems 168 Jumper and Connector Locations 169 Top View 169 Bottom View 170 Clearing Password Check and BIOS Recovery 171 Clearing Password Check 171 BIOS Recovery by Crisis Disk 172 FRU (Field Replaceable Unit) List 173 Aspire 4930 Exploded Diagram 174 Model Definition and Configuration 182 Aspire 4930 Series 182 Test Compatible Components 205 Microsoft® Windows® Vista Environment Test 206 Online Support Information 209 Index 211 IX