Acer Aspire One 521 Users Manual Series

2015-01-25

• System Specifications
  • Features
  • System Block Diagram
  • Notebook Tour
    • Top View
    • Closed Front View
    • Left View
    • Right View
    • Base View
    • Indicators
    • TouchPad Basics
  • Using the Keyboard
    • Lock Keys and embedded numeric keypad
    • Windows Keys
    • Hot Keys
    • Special Keys
  • Hardware Specifications and Configurations
• System Utilities
  • BIOS Setup Utility
    • Navigating the BIOS Utility
    • Information
    • Main
    • Security
    • Boot
    • Exit
  • BIOS Flash Utility
    • DOS Flash Utility
    • WinFlash Utility
  • Remove HDD/BIOS Password Utilities
    • Removing BIOS Passwords:
    • Miscellaneous Utilities
• Machine Disassembly and Replacement
  • Disassembly Requirements
    • Related Information
    • Replacement Requirements
    • Pre-disassembly Instructions
    • Disassembly Process
  • External Module Disassembly Process
    • External Modules Disassembly Flowchart
    • Removing the Battery Pack
    • Removing the Dummy Card
    • Removing the Base Door
    • Removing the DIMM Module
    • Removing the Hard Disk Drive Module
    • Removing the WLAN Module
    • Removing the 3G Module
  • Main Unit Disassembly Process
    • Main Unit Disassembly Flowchart
    • Removing the Keyboard
    • Removing the Upper Cover
    • Removing the Touchpad Board
    • Removing the Bluetooth Module
    • Removing the LCD Module
    • Removing the Mainboard
    • Removing the Thermal Module
    • Removing the Speakers
  • LCD Module Disassembly Process
    • LCD Module Disassembly Flowchart
    • Removing the LCD Bezel
    • Removing the Camera Board
    • Removing the LCD Panel
    • Removing the LCD Cover Hinges
  • LCD Reassembly Procedure
    • Replacing the LCD Cover Hinges
    • Replacing the LCD FPC Cable
    • Replacing the LCD Panel
    • Replacing the Camera Board
    • Replacing the LCD Bezel
  • Main Unit Reassembly Process
    • Replacing the Speakers
    • Replacing the Thermal Module
    • Replacing the Mainboard
    • Replacing the LCD Module
    • Replacing the Bluetooth Module
    • Replacing the Touchpad Board
    • Replacing the Upper Cover
    • Replacing the Keyboard
    • Replacing the Hard Disk Drive
    • Replacing the DIMM Module
    • Replacing the 3G Module
    • Replacing the Wireless LAN Module
    • Replacing the Base Door
    • Replace the Dummy Card
    • Replacing the Battery
• Troubleshooting
  • Common Problems
    • Power On Issue
    • No Display Issue
    • Random Loss of BIOS Settings
    • LCD Failure
    • Built-In Keyboard Failure
    • TouchPad Failure
    • Internal Speaker Failure
    • Internal Microphone Failure
    • HDD Not Operating Correctly
    • Other Failures
  • Intermittent Problems
  • Undetermined Problems
  • POST Code Reference Tables
• Jumper and Connector Locations
  • Mainboard Top View
  • Mainboard Bottom View
  • BIOS Recovery
    • BIOS Recovery by Crisis Disk
• FRU (Field Replaceable Unit) List
  • Exploded Diagrams
    • Main Assembly
    • LCD Assembly
    • FRU List
    • Screw List
• Model Definition and Configuration
  • AO521
• Test Compatible Components
• Online Support Information