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Lenovo 14w 81MQ User Manual

Lenovo 14w 81MQ
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Hardware Maintenance Manual
Lenovo 14w
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Lenovo 14w 81MQ Specifications

General IconGeneral
Storage64GB eMMC
Operating SystemWindows 10 Pro
Battery42Wh
Display14" HD (1366x768) TN, anti-glare
RAM4GB DDR4
PortsMicroSD card reader, Audio jack
WirelessBluetooth 4.2
ProcessorAMD A6-9220C
GraphicsIntegrated AMD Radeon R5 Graphics

Summary

About this documentation

Chapter 1. Safety Information

General Safety

Rules for ensuring general safety during maintenance procedures.

Electrical Safety

Rules to observe when working on electrical equipment.

Safety Inspection Guide

Guide to identify potentially unsafe conditions in the machine.

Handling ESD-Sensitive Devices

Precautions for handling parts sensitive to electrostatic discharge.

Grounding Requirements

Importance of electrical grounding for operator safety and system function.

Multilingual Safety Notices

List of languages in which safety notices are provided.

Chapter 2. General Checkout

What to Do First

Information required when returning a FRU or part.

Checking the AC Power Adapter

Procedure to check the AC power adapter's output voltage.

CRU List

List of Customer Replaceable Units (CRUs) and their types.

Chapter 3. Identifying FRUs (CRUs)

Locating FRUs and CRUs

Introduction to service parts like Major FRUs, LCD FRUs, and miscellaneous parts.

Major FRUs and CRUs

Exploded view and list of major FRUs and CRUs.

LCD FRUs and CRUs

Exploded view and list of LCD FRUs and CRUs.

Miscellaneous Parts

List of miscellaneous parts, including screw kits.

Looking Up FRU Information

Instructions on how to find detailed FRU information online.

Chapter 4. Removing a FRU or CRU

General Guidelines

General rules for removing or replacing FRUs.

Remove the Lower Case

Step-by-step guide to remove the lower case.

Remove the Battery Pack

Step-by-step guide to remove the battery pack.

Remove the Coin-Cell Battery

Step-by-step guide to remove the coin-cell battery.

Remove the Heat Sink

Step-by-step guide to remove the heat sink.

Remove the Power Board

Step-by-step guide to remove the power board.

Remove the Wi-Fi Card

Step-by-step guide to remove the Wi-Fi card.

Remove the SSD Card

Step-by-step guide to remove the SSD card.

Remove the Speakers

Step-by-step guide to remove the speakers.

Remove the Upper Case with Keyboard

Step-by-step guide to remove the upper case and keyboard.

Remove the System Board

Step-by-step guide to remove the system board.

Remove the Touchpad Assembly

Step-by-step guide to remove the touchpad assembly.

Disassemble the LCD Module

Instructions on how to disassemble the LCD module.

Remove the LCD Panel

Step-by-step guide to remove the LCD panel.

Remove the Camera Board

Step-by-step guide to remove the camera board.

Appendix A. Features and Connectors

Appendix B. Label Locations

Trademarks

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