Acer Aspire X3950 Service Guide - Page 7

Table of Contents System Tour 1 Features 1 System Components 3 Front Panel 3 Rear Panel 5 Internal Components 6 System LED Indicators 7 System Utilities 9 CMOS Setup Utility 9 Entering CMOS setup 10 Navigating Through the Setup Utility 10 Setup Utility Menus 11 System Disassembly 25 Disassembly Requirements 25 Pre-disassembly Procedure 26 Main Unit Disassembly 27 Removing the Side Panel 29 Removing the Front Bezel 30 Removing the Heatsink Fan Assembly 32 Removing the Processor 34 Removing the Optical Drive 36 Removing the Hard Disk Drive 39 Removing the Power Supply 40 Removing the Memory Modules 42 Removing an Expansion Card 43 Removing the Front I/O and Card Reader Boards 46 Removing the Mainboard 49 Removing the Top Bezel 51 System Troubleshooting 53 Hardware Diagnostic Procedure 53 System Check Procedures 54 Power System Check 54 System External Inspection 54 System Internal Inspection 54 Checkpoints 55 Viewing BIOS checkpoints 55 Bootblock Initialization Code Checkpoints 55 Bootblock Recovery Code Checkpoints 56 POST Code Checkpoints 57 DIM Code Checkpoints 59 ACPI Runtime Checkpoints 59 Error Messages 60 Memory 60 Boot 60 Storage Device 61 Virus Related 62 System Configuration 63 CMOS 64 Miscellaneous 64 vii