Acer 7220, 7520

Chapter 3 61

Removing the Battery Pack

1. Unlock the battery lock (move the battery lock to the unlock position as shown).

2. Slide the battery release latch then remove the battery.

Contents

Main Page Copyright Disclaimer Conventions Preface Page System Specifications Chapter 1 Features Operating system Platform and memory Audio Input devices Communication Dimensions and weight Power subsystem I/O Ports Options and accessories Software Environment System compliance Warra nty Page Board Layout Top View Bottom View 8Chapter 1 Your Acer Notebook Tour After knowing your computer features, let us show you around your new Aspire computer. Front View Closed Front View Chapter 1 9 10 Chapter 1 Left View Chapter 1 11 Right View Rear view Base view Indicators Easy-Launch Buttons Touchpad Basics Using the Keyboard Lock Keys and embedded numeric keypad Windows Keys 16 Chapter 1 Hot Keys Special Key The Euro symbol Page 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 1 23 3 Using the System Utilities Acer GridVista (dual-display compatible) Launch Manager 32 Chapter 1 Hardware Specifications and Configurations Processor CPU Fan True Value Table BIOS Second Level Cache Chapter 1 33 System Memory Memory Combinations Second Level Cache 34 Chapter 1 LAN Interface Modem Interface Chapter 1 35 Bluetooth Interface Wireless Module 802.11a/b/g/n Hard Disk Drive Interface 36 Chapter 1 DVD-Dual Interface Audio Interface Hard Disk Drive Interface Page 38 Chapter 1 USB Port PCMCIA Port System Board Major Chips Chapter 1 39 Battery LCD 15.4 inch 40 Chapter 1 LCD Inverter AC Adapter System Power Management LCD 15.4 inch BIOS Setup Utility Chapter 2 System Utilities Navigating the BIOS Utility AS7220 Model BIOS Screens Information 44 Chapter 2 The table below describes the parameters in this screen. . Main Information Main Page Advanced Advanced Security Main Advanced Boot Exit Security Setting a Password Removing a Password Changing a Password Page Boot Boot Exit Boot Exit AS7250/G Model BIOS Screens Information Chapter 2 55 The table below describes the parameters in this screen. . Main Information Main Page Security Main Advanced Boot Exit Security Setting a Password Removing a Password Changing a Password Page Boot Exit Page Chapter 3 Machine Disassembly and Replacement Page Chapter 3 59 Disassembly Procedure Flowchart 60 Chapter 3 Screw List Page Page Page Page Removing the Keyboard and LCD Module Disassembling the Main Unit Separate the Main Unit Into the Upper and the Lower Case Assembly Disassembling the Lower Case Assembly Page Page Page Disassembling the LCD Module Page Page 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 81 Index of Error Messages Error Code List 82 Chapter 4 Chapter 4 83 84 Chapter 4 Phoenix BIOS Beep Codes Chapter 4 85 86 Chapter 4 Chapter 4 87 88 Chapter 4 Index of Symptom-to-FRU Error Message LCD-Related Symptoms Indicator-Related Symptoms Power-Related Symptoms Chapter 4 89 PCMCIA-Related Symptoms Memory-Related Symptoms Speaker-Related Symptoms Power Management-Related Symptoms 90 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 Top View Bottom View FRU (Field Replaceable Unit) List Chapter 6 NOTE: Aspire 7520/7220 FRU List