Aspire Digital 8943G

136 Chapter 3

2. Replace the two (2) screws to secure the mainboard to the lower cover.

3. Turn the computer over and connect the DC-In cable.

Step Screw Quantity Screw Type.

Main Board Assembly M2.5*6 2

Contents

Main Page Copyright Disclaimer Conventions Preface Page System Specifications 1 System Utilities 31 Machine Disassembly and Replacement 45 Page Troubleshooting 171 Jumper and Connector Locations 189 FRU (Field Replaceable Unit) List 193 Model Definition and Configuration 209 Test Compatible Components 343 Online Support Information 349 Page System Specifications Chapter 1 Features Operating System Platform TV Tuner Graphics Audio subsystem Storage subsystem Optical Media Drive Communication Privacy control Dimensions and Weight Power Adapter and Battery Special Keys and Controls I/O Ports Optional Items Warranty Environment 6Chapter 1 System Block Diagram RT9018A + TPS54418 ISL62881 UP61111AQDD CPU VTT Notebook Tour Top View P 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 Page Page Page Chapter 1 21 Hard Disk Drive Interface Hard Disk Drive Interface (continued) Item Specification 2 Page Page Page Page Page Page Page Page Page System Utilities Chapter 2 BIOS Setup Utility Navigating the BIOS Utility Information Main Security Page Page Boot Exit BIOS Flash Utility DOS Flash Utility WinFlash Utility Remove HDD/BIOS Password Utilities Removing BIOS Passwords: Miscellaneous Utilities Using Boot Sequence Selector Using DMITools Using the LAN MAC Utility Machine Disassembly and Replacement Chapter 3 Disassembly Requirements Related Information Replacement Requirements Page Disassembly Process External Module Disassembly Process External Modules Disassembly Flowchart Page Removing the Battery Pack Page Page Page Page Page Page Page Page Page Page Page Page Removing the Keyboard Page Main Unit Disassembly Process Main Unit Disassembly Flowchart Removing the Upper Cover and LCD Module Page ab Page Page Page Removing the Bluetooth Module Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page LCD Module Disassembly Process LCD Module Disassembly Flowchart Removing the LCD Hinge Bezel Page Page Page Page Removing the LCD Panel Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Replacing the Thermal Module Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Replacing the Slave HDD Module Page Page Page Page Page Page Page Page Page Troubleshooting Chapter 4 Common Problems Power On Issue Computer Shuts down Intermittently No Display Issue No POST or Video Abnormal Video Display Random Loss of BIOS Settings LCD Failure Built-In Keyboard Failure Chapter 4 177 TouchPad Failure Internal Speaker Failure Sound Problems Internal Microphone Failure Microphone Problems HDD Not Operating Correctly USB Failure (Right up/down side) Other Failures Intermittent Problems Undetermined Problems Post Code Reference Tables Page Page Page Page Page Chapter 5 189 Jumper and Connector Locations Chapter 5 Mainboard Top View Mainboard Bottom View Clearing Password Check and BIOS Recovery Mainboard CMOS Discharge BIOS Recovery by Crisis Disk BIOS Recovery Boot Block BIOS Recovery Hotkey Steps for BIOS Recovery from USB Storage FRU (Field Replaceable Unit) List Chapter 6 Exploded Diagrams Main Assembly LCD Assembly FRU List Page Page Page Page Page Page Page Page Page Page Page Screw Table Page Model Definition and Configuration Appendix A Aspire 8943G Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Test Compatible Components Appendix B Page Page Page Page Page Online Support Information Appendix C Page A B C D E N O P S T