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Acer Manuals
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Aspire 4750Z
Service manual
Acer Aspire 4750Z Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Revision History
Table of Contents
System Specifications
Features
System Memory
Special Keys and Controls
Dimension and Weight
Storage Subsystem
System Block Diagram
Your Acer Notebook Tour
Top View
Hotkeys
Closed Front View
Rear View
Left View
Right View
Base View
Hardware Specifications and Configurations
BIOS Setup Utility
System Utilities
Navigating the BIOS Utility
Information
Main
Security
Removing a Password
Setting a Password
Changing a Password
Boot
Exit
BIOS Flash Utility
Remove HDD Password
Disassembly Requirements
Machine Disassembly and Replacement
General Information
Pre-Disassembly Instructions
Disassembly Process
External Module Disassembly Process
External Modules Disassembly Flowchart
Removing the Battery Pack
Removing the Optical Drive Module
Removing the Back Cover
Removing the Hard Disk Drive Module
Removing the Wireless LAN Card
Removing the DIMM Module
Main Unit Disassembly Process
Main Unit Disassembly Flowchart
Removing the Keyboard
Separating the Upper Case from the Lower Case
Removing the Touchpad Boards
Removing the Left and Right Speakers
Removing the Power Button Board
Removing the Bluetooth Module
Removing the RTC Battery
Removing the USB Board
Removing the Main Board
Removing the Heatsink Module
Removing the CPU
Removing the LCD Module
LCD Module Disassembly Process
LCD Module Disassembly Flowchart
Removing the LCD Bezel
Removing the LCD Panel with the Brackets
Removing the LCD Brackets
Removing the FPC Cable
Removing the Web Camera
Removing the Microphone
Removing the Antennas
Troubleshooting
System Check Procedures
External Diskette Drive Check
External Optical Disk 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
Index of Error Messages
Phoenix BIOS Beep Codes
Index of Symptom-To-FRU Error Message
Intermittent Problems
Undetermined Problems
Main Board
Connector Locations
Bottom View (UMA)
Clearing Password Check and BIOS Recovery
Clearing Password Check
Steps for Clearing BIOS Password Check
BIOS Recovery by Crisis Disk
FRU (Field Replaceable Unit) List
Exploded Diagram
Model Definition and Configuration
Aspire 4750/4750G Series
Test Compatible Components
Hardware Device Tests
Online Support Information
Index
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Hardware Specifications and Configurations
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Aspire 4750 and 4750G Series
Service Guide
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Summarization of Contents
Chapter 1 System Specifications
Features
Summary of computer features including platform, memory, display, and graphics.
System Specifications
Detailed hardware specifications and configurations of the system.
System Block Diagram
Block diagram illustrating the internal components and connections of the system.
Your Acer Notebook Tour
Guide to identifying external components and indicators on the notebook.
Hardware Specifications and Configurations
Comprehensive list of hardware specifications and configurations.
BIOS Setup Utility
Information on accessing and navigating the BIOS setup utility for system configuration.
System Utilities
Overview of system utilities, including BIOS and flash utilities.
Chapter 2 System Utilities
BIOS Setup Utility
Details on the BIOS Setup Utility for hardware configuration.
Navigating the BIOS Utility
Instructions on how to navigate the BIOS utility menu options.
Information
Displays a summary of the computer's hardware information.
Main
Allows setting system time, date, and boot options.
Security
Security settings to safeguard the computer from unauthorized use.
Boot
Configuration of boot device order for loading the operating system.
Exit
Options to save or discard changes made in the BIOS setup.
BIOS Flash Utility
Procedure for updating the system's BIOS flash memory.
Remove HDD Password
Steps to remove a hard disk drive password if it is locked.
Chapter 3 Machine Disassembly and Replacement
Disassembly Requirements
Lists the necessary tools and precautions for disassembling the computer.
General Information
Provides pre-disassembly instructions and an overview of the disassembly stages.
External Module Disassembly Process
Flowchart and steps for disassembling external modules.
Removing the Battery Pack
Step-by-step guide to remove the battery pack from the notebook.
Removing the Optical Drive Module
Instructions for removing the optical drive module.
Removing the Back Cover
Guide on how to remove the back cover of the notebook.
Removing the Hard Disk Drive Module
Detailed steps for removing the hard disk drive module.
Removing the Wireless LAN Card
Procedure for removing the wireless LAN card.
Removing the DIMM Module
Instructions on how to remove the DIMM memory module.
Main Unit Disassembly Process
Flowchart and steps for disassembling the main internal components.
Removing the Keyboard
Step-by-step guide to remove the keyboard from the notebook.
Separating the Upper Case from the Lower Case
Instructions on how to separate the upper and lower casing of the notebook.
Removing the Touchpad Boards
Guide on removing the touchpad boards.
Removing the Left and Right Speakers
Steps to remove the left and right speaker assemblies.
Removing the Power Button Board
Instructions for removing the power button board.
Removing the Bluetooth Module
Steps to remove the Bluetooth module.
Removing the RTC Battery
Guide on removing the RTC battery.
Removing the USB Board
Instructions for removing the USB board.
Removing the Main Board
Detailed steps for removing the main motherboard.
Removing the Heatsink Module
Instructions for removing the heatsink module.
Removing the CPU
Step-by-step guide to remove the CPU from the socket.
Removing the LCD Module
Instructions for removing the entire LCD module assembly.
Removing the LCD Bezel
Guide on removing the LCD bezel from the screen assembly.
Removing the LCD panel with the Brackets
Steps to remove the LCD panel along with its mounting brackets.
Removing the LCD Brackets
Instructions for removing the LCD mounting brackets.
Removing the FPC Cable
Guide on removing the Flexible Printed Circuit (FPC) cable.
Removing the Web Camera
Steps to remove the web camera module.
Removing the Microphone
Instructions for removing the microphone.
Removing the Antennas
Guide on releasing and removing antenna cables.
Chapter 4 Troubleshooting
Troubleshooting
General procedure and table for diagnosing and resolving computer problems.
System Check Procedures
Procedures for checking external diskette and optical disk drives, and keyboard.
Memory Check
Steps for performing a memory check to identify potential errors.
Power System Check
Procedure to verify system power sources (battery and adapter).
Check the Power Adapter
Instructions for checking the power adapter's output voltage.
Check the Battery Pack
Steps to check the battery pack's functionality and charging.
Touchpad Check
Actions to take if the touchpad is not working correctly.
Power-On Self-Test (POST) Error Message
Index of POST error messages and their causes for troubleshooting.
Index of Error Messages
List of error codes and their corresponding error messages.
Error Message List
Detailed list of error messages and recommended FRU/Action sequences.
Intermittent Problems
Guidance on diagnosing and resolving intermittent system issues.
Undetermined Problems
Procedures for isolating failing FRUs when problems are not clearly identified.
Chapter 5 Connector Locations and BIOS Recovery
Connector Locations
Diagrams and lists identifying connectors on the main board.
Main Board
Top view diagram of the main board showing connector locations.
Clearing Password Check and BIOS Recovery
Procedures for clearing BIOS passwords and recovering BIOS.
BIOS Recovery by Crisis Disk
Steps to recover the BIOS using a crisis disk and hotkey.
Chapter 6 FRU List
FRU (Field Replaceable Unit) List
List of all Field Replaceable Units (FRUs) for the Aspire 4750/4750G Series.
Exploded Diagram
Exploded view diagram showing the assembly of notebook components.
Appendix A Model Definition and Configuration
Model Definition and Configuration
Table detailing model configurations, specifications, and regional variations.
Appendix B Compatible Components and Tests
Test Compatible Components
Lists of components and peripherals tested for compatibility with the system.
Hardware Device Tests
List of hardware devices tested and their vendors.
Appendix C Online Support Information
Online Support Information
Information on accessing online technical support services and resources from Acer.
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