Acer 4320, 4720, 4720G, 4720Z

Revision History

Please refer to the table below for the updates made on Aspire 4720G/4720Z/4720/4320 service guide.

Date Chapter Updates

Contents

Main Page Copyright Disclaimer Conventions Preface Page System Specifications Chapter 1 Features Operating system Platform and memory Audio Storage subsystem Input devices Communication I/O Ports Environment 4Chapter 1 System Block Diagram NESTOS SYSTEM BLOCK DIAGRAM Merom CPU 479 Pin uFCPGA Chapter 1 5 Board Layout Top View 6Chapter 1 Bottom View Your Acer Notebook tour Front View Closed Front View 8Chapter 1 Left View Chapter 1 9 10 Chapter 1 Right View Rear view Page Easy-Launch Buttons Touchpad Basics 14 Chapter 1 Using the Keyboard Lock Keys and embedded numeric keypad The keyboard has three lock keys which you can toggle on and off. Chapter 1 15 Windows Keys The keyboard has one key that performs Windows-specific functions. 16 Chapter 1 Hot Keys Special Key The Euro symbol The US dollar sign Acer Empowering Technology Empowering Technology password Acer eNet Management Acer ePower Management Page Page Acer ePresentation Management Acer eDataSecurity Management Page Acer eLock Management Acer eRecovery Management Acer eSettings Management Getting to know your Acer Cystal Eye webcam Using the System Utilities Acer GridVista (dual-display compatible) Launch Manager Chapter 1 31 Hardware Specifications and Configurations Processor CPU Fan True Value Table BIOS Second Level Cache 32 Chapter 1 System Memory Memory Combinations Chapter 1 33 System VRAM and VBIOS Options LAN Interface Modem Interface 34 Chapter 1 Bluetooth Interface Wireless Module 802.11b/g, 802.11a/b/g, 802.11a/g/n Hard Disk Drive Interface Chapter 1 35 DVD-Dual Interface Audio Interface USB Port 36 Chapter 1 Express Card Slot System Board Major Chips Keyboard Chapter 1 37 LCD 14.1 inch LCD Inverter Battery 38 Chapter 1 AC Adapter System Power Management BIOS Setup Utility Chapter 2 System Utilities Navigating the BIOS Utility Information Main Chapter 2 43 Security Setting a Password Set Supervisor Password Enter New Password Confirm New Password [ ] [ ] Removing a Password Changing a Password Page Boot Phoenix TrustedCore(tm) Setup Utility Exit BIOS Flash Utility Chapter 3 Machine Disassembly and Replacement Page Chapter 3 53 Disassembly Procedure Flowchart 54 Chapter 3 Screw List Page Page Page Page Page Disassembling the Main Unit Disassembling the Upper Case Assembly Disassembling the Main Board Page Disassembling the LCD Module Disassembling the External Modules Page Troubleshooting Chapter 4 System Check Procedures External Diskette Drive Check External CD-ROM Drive Check Keyboard or Auxiliary Input Device Check Memory check Power System Check Check the Power Adapter Check the Battery Pack Touchpad Check Power-On Self-Test (POST) Error Message Chapter 4 73 Index of Error Messages Error Code List 74 Chapter 4 Chapter 4 75 76 Chapter 4 Phoenix BIOS Beep Codes Chapter 4 77 78 Chapter 4 Chapter 4 79 80 Chapter 4 Index of Symptom-to-FRU Error Message LCD-Related Symptoms Indicator-Related Symptoms Power-Related Symptoms Chapter 4 81 PCMCIA-Related Symptoms Memory-Related Symptoms Speaker-Related Symptoms Power Management-Related Symptoms 82 Chapter 4 Peripheral-Related Symptoms Keyboard/Touchpad-Related Symptoms Modem-Related Symptoms Power Management-Related Symptoms Page Undetermined Problems Jumper and Connector Locations Chapter 5 Chapter 5 85 Top V iew 86 Chapter 5 Bottom View FRU (Field Replaceable Unit) List Chapter 6 NOTE: Aspire 4720G/4720Z/4720/4320 Exploded Diagram