Acer Aspire X3400G Acer Aspire X3400, X3400G Desktop Service Guide - Page 7

Table of Contents System Tour 1 Features 1 System Components 4 Front Panel 4 Rear Panel 6 Internal Components 8 System LED Indicators 9 System Utilities 11 CMOS Setup Utility 11 Entering CMOS setup 12 Navigating Through the Setup Utility 12 Setup Utility Menus 13 System Disassembly 27 Disassembly Requirements 27 Pre-disassembly Procedure 28 Main Unit Disassembly 29 Removing the Side Panel 31 Removing the Front Bezel 32 Removing the Heatsink Fan Assembly 34 Removing the Processor 35 Removing the Optical Drive 36 Removing the Hard Disk Drive 38 Removing the Power Supply 39 Removing the Memory Modules 41 Removing an Expansion Card 42 Removing the Front I/O and Card Reader Boards 44 Removing the Mainboard 47 Removing the Top Bezel 49 System Troubleshooting 51 Hardware Diagnostic Procedure 51 System Check Procedures 52 Power System Check 52 System External Inspection 52 System Internal Inspection 52 Checkpoints 53 Viewing BIOS checkpoints 53 Bootblock Initialization Code Checkpoints 53 Bootblock Recovery Code Checkpoints 54 POST Code Checkpoints 55 DIM Code Checkpoints 57 Beep Codes 58 Boot Block Beep Codes 58 POST BIOS Beep Codes 58 Error Messages 60 Memory 60 Boot 60 Storage Device 61 Virus Related 62 System Configuration 63 vii