vii

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
Table of Contents