Acer Aspire M3920 Service Guide - Page 7

Table of Contents Features and Specifications 1 System Features 1 Audio 2 I/O Ports and LED Indicators 2 Physical Specifications 3 Environmental Requirements 3 Power Management Function(ACPI support function 3 System Tour 4 Front View 4 Rear View 5 System Utilities 7 CMOS Setup Utility 7 Entering CMOS setup 8 Navigating Through the Setup Utility 8 Setup Utility Menus 9 System Disassembly 21 Disassembly Requirements 21 Pre-disassembly Procedure 21 Removing the Side Panel 22 Removing the Heatsink Fan Assembly 23 Removing the Processor 24 Removing the VGA Card 26 Removing the Mode Card 27 Removing the TV Card 28 Removing the Memory Modules 28 Removing the Hard Disk Drive 29 Removing the USB Board 32 Removing the Front Bezel 35 Removing the Optical Drive 37 Removing the Removable HDD 39 Removing the Card Reader 43 Removing the Power Supply 46 Removing the Mainboard 48 System Troubleshooting 51 Hardware Diagnostic Procedure 51 System Check Procedures 52 Power System Check 52 System External Inspection 52 System Internal Inspection 52 Beep Codes 53 Checkpoints 54 Viewing BIOS checkpoints 54 Bootblock Initialization Code Checkpoints 54 Bootblock Recovery Code Checkpoints 56 BIOS Recovery 57 System Architecture 59 Block Diagram 59 Mainboard Layout 60 Jumper Setting 61 vii