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Packard Bell oneTwo M3850 User Manual

Packard Bell oneTwo M3850
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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:

Packard Bell oneTwo M3850 Specifications

General IconGeneral
RAM4 GB DDR3
Operating SystemWindows 7 Home Premium
Network10/100/1000 Mbps Ethernet
Display21.5-inch Full HD
GraphicsIntel HD Graphics
ConnectivityWi-Fi 802.11b/g/n
PortsUSB 2.0, HDMI, Audio jacks
Optical DriveDVD Super Multi
AudioIntegrated HD Audio

Summary

Packard Bell All-In-One Computer Service Guide

Hardware Specifications

Processor Specifications

Details the processor models, clock speed, cache, cores, socket, and TDP.

Memory Specifications

Provides specifications for memory controller, DIMM slots, maximum memory, data rate, and supported brands.

Hard Disk Drive

Details HDD controller, form factor, interface, and supported capacities with specific models.

LCD Panel Specifications

Details LCD panel specifications like size, type, resolution, backlight, and touchscreen support.

Power Supply Unit

Lists the maximum output power and supported models for the power supply unit.

Chapter 2: System Utilities

CMOS Setup Utility

Explains the CMOS Setup Utility, its purpose, and when to use it for hardware configuration.

Accessing the Setup Utility

Provides step-by-step instructions on how to enter the BIOS Setup Utility during system boot.

Standard CMOS Features

Covers settings for system date, time, AHCI port configuration, and POST error handling.

Advanced BIOS Features

Explains boot device priority, quick boot, quiet boot, and boot sector virus protection settings.

Advanced Chipset Features

Details features like AMD Cool 'n' Quiet, AMD-V, Memory Hole Remapping, and Hybrid SLI.

Integrated Peripherals

Covers enabling/disabling onboard SATA, USB, graphics, audio, and LAN controllers.

Power Management Setup

Details ACPI Suspend Mode, Deep Power Off Mode, and wake-up options.

BIOS Security Features

Enables setting supervisor and user passwords for system security and BIOS access.

Chapter 3: System Disassembly

Disassembly Procedures

Provides step-by-step instructions for disassembling the computer's components.

Removing the Rear Cover

Guide to removing the rear cover, including releasing plastic snaps.

Removing the Processor

Detailed guide on safely removing the CPU, including handling the retention lever.

Removing the Mainboard

Steps to disconnect cables and remove the mainboard after other components are removed.

Removing the Power Supply Unit

Procedure to disconnect power cables and remove the power supply unit (PSU).

Removing the LCD Assembly

Detailed steps for disconnecting cables and removing the LCD assembly.

Removing the Main Chassis

Procedure to remove the main chassis from the LCD module after releasing cables and tapes.

Chapter 4: Troubleshooting

Hardware Diagnostic Procedure

Steps to gather details, recreate failure, and refer to other checks for diagnosing hardware issues.

System Check Procedures

Provides procedures for checking system power and performing external inspections.

Power System Check

Checks power cable connection and voltage settings if the system does not power on.

System Internal Inspection

Details steps for internal inspection, verifying component seating and cable connections.

POST Error Indicators

Describes how the setup utility indicates errors via messages or beep codes during POST.

POST Error Messages

Explains POST error messages, their causes, and recommendations for troubleshooting.

Beep Codes

Lists beep codes, their status, and possible causes when no error message is displayed.

Undetermined Problems

Provides a procedure to isolate failing FRUs when the cause of a problem is not clear.

BIOS Recovery

Instructions on how to recover the system BIOS when it is damaged or corrupted.

Clearing CMOS

Procedure to clear CMOS data and reset BIOS settings, including the supervisor password.

Chapter 6: Field Replaceable Unit (FRU) List

FRU List

A comprehensive list of Field Replaceable Units (FRUs) with part numbers for ordering.

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