Acer Aspire X1420G Acer Aspire X1400 and X1420 Desktop Series 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 System Tour 4 Front View 4 Rear View 5 System Utilities 7 CMOS Setup Utility 7 Accessing the Setup Utility 8 Navigating through the Setup Utility 9 Setup Utility Menus 9 System Disassembly 23 Disassembly Tools 23 Pre-disassembly Procedure 23 Disassembly Procedures 24 Removing the Side Panel 24 Removing the Front Bezel 25 Removing the HDD-ODD Bracket 28 Removing the Front Bezel 33 Removing the Expansion Boards 34 Removing the Memory Modules 36 Removing the Power Supply Unit 36 Removing the Front I/O and Optional Card Reader Assemblies 38 Removing the Mainboard 43 Troubleshooting 45 Hardware Diagnostic Procedure 45 System Check Procedures 45 Checkpoints 46 POST Error Indicators 50 BIOS Recovery 61 BIOS Update 62 Updating the BIOS in DOS Mode 62 Updating the BIOS in Windows Mode 63 Clearing CMOS 66 System Architecture 67 Block Diagram 67 Mainboard Layout 68 Jumper Setting 69 Internal header pin definition 70 Connecting Optional Devices 72 Connecting Case Components 74 Field Replaceable Unit (FRU) List 77 Exploded Diagram 77 Aspire AX1400 FRU List 78 vii