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Packard Bell oneTwo M3851 - User Manual

Packard Bell oneTwo M3851
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Packard Bell oneTwo M3850 / oneTwo M3851 /
oneTwo L5850 / oneTwo L5851
All-In-One Computer Service Guide
PRINTED IN TAIWAN
Service guide files and updates are available
on the Acer/CSD web site; for more
information, go to http://csd.acer.com.tw

Table of Contents

Questions and Answers

Summary

Revision History

Service Guide Information

Copyright

Legal notices regarding usage, reproduction, and liability.

Disclaimer

Legal notices regarding usage, reproduction, and liability.

Service Guide Coverage

Details regarding ordering FRU parts and potential part number changes.

Chapter 1: Features and Specifications

System Features

Lists components and their descriptions for the computer's configuration.

Physical Specifications

Details system dimensions, mainboard form factor, and dimensions.

System Tour - Front View

Illustrates and describes components visible on the front of the computer.

System Tour - Left View

Illustrates and describes components on the left side of the computer.

System Tour - Right View

Illustrates and describes components on the right side of the computer.

System Tour - Rear View

Illustrates and describes components on the rear of the computer.

Hardware Specifications - Processor, Chipsets, BIOS, Memory

Details specifications for Processor, Chipsets, BIOS, and Memory.

Hardware Specifications - Storage and Connectivity

Details specifications for Hard Disk Drive, Optical Disc Drive, Ethernet, Wireless LAN, and Bluetooth.

Hardware Specifications - Audio and Webcam

Details specifications for Audio and Webcam components.

Hardware Specifications - LCD Panel and Power Supply

Details specifications for LCD Panel and Power Supply Unit.

Chapter 2: System Utilities

CMOS Setup Utility

Explains the hardware configuration program and its uses.

Accessing and Navigating Setup Utility

Explains navigation keys and lists available setup utility menus.

Chapter 3: System Disassembly

Disassembly Preparation and Tools

Lists necessary tools and outlines initial steps before performing disassembly.

External Component Disassembly

Procedures for removing the computer stand and external covers.

Internal Component Disassembly - Drives and Boards

Steps to remove drives, I/O plate, scaler board, USB/audio board, wall mount plate, HDD, inverter board.

Internal Component Disassembly - Core Components

Steps to remove the heat sink fan, processor, and memory modules.

Mainboard and Power Supply Removal

Procedures for removing the mainboard and power supply unit.

Display Assembly Disassembly

Steps to remove touchscreen control board, Bluetooth module, power button, LCD assembly, cables, webcam, LED board, light bars.

Chapter 4: Troubleshooting

Diagnostic Procedures and System Checks

Outlines methods for diagnosing system issues and performing checks.

BIOS and POST Error Analysis

Lists and explains various BIOS, POST, and system error messages and codes.

Symptom-to-FRU Troubleshooting Guide

Provides a guide linking symptoms to potential FRU (Field Replaceable Unit) actions.

BIOS Recovery and CMOS Clearing

Explains how to recover BIOS and clear CMOS settings.

Chapter 5: System Architecture

Block Diagram

Shows the core subsystems and their interconnections.

Mainboard Layout

Identifies major components on the mainboard.

Chapter 6: Field Replaceable Unit (FRU) List

Exploded Diagram

Illustrates the physical layout of components for identification.

FRU Part Number Listing

Lists all field-replaceable units with their part numbers and categories.

Appendix B: Test Compatible Components

Compatible Components and Vendors

Lists components tested for compatibility with the system and their respective vendors.

Approved Vendor List (AVL)

Lists approved vendors for system components.

Appendix C: Online Support Information

Packard Bell oneTwo M3851 Specifications

General IconGeneral
RAM4GB DDR3
Operating SystemWindows 7 Home Premium
Optical DriveDVD Super Multi
USB Ports6 x USB 2.0
AudioIntegrated stereo speakers
GraphicsIntel HD Graphics
NetworkGigabit Ethernet, Wi-Fi 802.11b/g/n

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