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Lenovo ThinkPad X4 User Manual

Lenovo ThinkPad X4
136 pages
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ThinkPad Computer
Hardware
Maintenance Manual
July 2005
This manual supports:
ThinkPad X41 Tablet
(MT 1866, 1867, 1869)
ThinkPad X4 Dock
(MT 2506)

Table of Contents

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Lenovo ThinkPad X4 Specifications

General IconGeneral
BrandLenovo
ModelThinkPad X4
CategoryLaptop
LanguageEnglish

Summary

Introduction

Important service information

Crucial details regarding BIOS, device drivers, and support contact information.

Strategy for replacing FRUs

Guidelines for efficient and cost-effective replacement of Field Replaceable Units.

Strategy for replacing a hard disk drive

Procedure for low-level formatting before replacing a hard disk drive.

How to use error messages

Method for diagnosing failures using on-screen error codes and symptom-to-FRU index.

Strategy for replacing FRUs for CTO, CMV, and GAV

Explains strategies for replacing FRUs for specific product configurations.

Product definition

Defines terms like CTO, CMV, and GAV for product identification and support.

General Announce Variant (GAV)

Details standard models with fixed configurations offered to all customers.

FRU identification for CTO, CMV, and GAV products

Resources for identifying FRUs for CTO, CMV, and GAV products.

Using PEW

Utilizes PEW (Product Entitlement Warehouse) for identifying FRU part numbers.

Using eSupport

Leverages eSupport for viewing FRU lists and product specifications.

Using the HMM

Employs the Hardware Maintenance Manual (HMM) as a backup for FRU information.

Important information about replacing RoHS compliant FRUs

Guidance on replacing RoHS compliant parts, regulations, and part number implications.

Diskette compatibility matrix

Details the compatibility of different diskette drives with various diskette capacities.

Safety notices: multilingual translations

Introduces safety notices and references to their multilingual translations.

Safety information

General safety

Rules and practices for ensuring personal and equipment safety during maintenance.

Electrical safety

Safety rules and precautions to observe when working with electrical components.

Safety inspection guide

A checklist to identify potentially unsafe conditions before servicing the computer.

Handling devices that are sensitive to electrostatic discharge

Procedures and precautions to protect components from electrostatic discharge (ESD) damage.

Grounding requirements

Importance of electrical grounding for operator safety and correct system function.

Laser compliance statement

General descriptions

Read this first

Essential notes and warnings for service personnel before proceeding with maintenance.

What to do first

Information required for FRU returns, including forms and necessary details.

Related service information

Service Web site

Information on accessing the Lenovo support website for maintenance diskettes.

Restoring the pre-installed system

Steps for restoring the original system software using recovery CDs after drive replacement.

Recovery to Factory Contents by using Product Recovery CDs

Instructions for creating service partitions and installing factory contents from recovery CDs.

Passwords

Details the types of passwords (POP, HDP, SVP) and their functions in securing the system.

Power-on password

Explains the purpose of the power-on password (POP) for system security.

Hard disk password

Describes hard disk passwords (User and Master HDP) and their management.

Supervisor password

Describes the supervisor password (SVP) for accessing and modifying BIOS settings.

How to remove the power-on password

Step-by-step guide on how to remove a forgotten power-on password.

How to remove the hard disk password

Instructions for removing a forgotten hard disk password, including master HDP usage.

Power management

Overview of the computer's three power management modes: screen blank, standby, and hibernation.

Screen blank mode

Details the three variants of the screen blank power management mode.

Standby mode

Explains the events that occur when the computer enters standby mode.

Hibernation mode

Describes the process and conditions for the computer entering hibernation mode.

Checkout guide

Testing the computer

Procedures for using the PC-Doctor diagnostic program to test computer hardware.

Creating the PC-Doctor diagnostics diskette

Steps to create bootable diskettes for running PC-Doctor diagnostics.

Detecting system information with PC-Doctor

Lists the types of system information that can be detected using PC-Doctor.

Power system checkout

Procedures to verify power supply symptoms by checking AC adapter and battery.

ThinkPad X41 Tablet

Product overview

Introduction to product-specific information including specifications and indicators.

Specifications

Detailed technical specifications for the ThinkPad X41 Tablet.

Status indicators for X41 Tablet

Explanation of the meaning of various system status indicators on the computer.

FRU tests

Table detailing the applicable diagnostic tests for each Field Replaceable Unit (FRU).

Fn key combinations

Description of functions activated by pressing the Fn key with other function keys.

Symptom-to-FRU index

Lists symptoms and errors with their corresponding FRU or action for diagnosis.

Numeric error codes

Catalog of numeric error codes and their associated FRU or action steps.

Error messages

Lists common error messages and the recommended FRU or action to resolve them.

Beep symptoms

Describes beep codes and their corresponding FRU or action for troubleshooting.

No-beep symptoms

Lists symptoms without beeps and their associated FRU or action for diagnosis.

LCD-related symptoms

Explains common issues with the LCD screen and their resolution.

Intermittent problems

Troubleshooting steps for issues that occur sporadically or unpredictably.

Undetermined problems

Procedures for isolating failing FRUs when diagnostic tests do not identify the issue.

FRU replacement notices

Screw notices

Guidelines on using special nylon-coated screws and proper tightening techniques.

Retaining serial numbers

Procedures for saving and restoring the system unit's serial number after board replacement.

Restoring the serial number of the system unit

Steps to restore the original serial number using the maintenance diskette.

Retaining the UUID

Instructions on how to set the Universally Unique Identifier (UUID) after system board replacement.

Reading or writing the ECA information

Process for checking and updating Engineering Change Announcement (ECA) information in EEPROM.

Removing and replacing a FRU

1010 Battery pack

Step-by-step instructions for removing and replacing the battery pack.

1020 Hinge cap

Instructions for accessing and removing the hinge cap.

1030 Hard disk drive

Detailed steps for removing and replacing the hard disk drive, including precautions.

1040 DIMM cover

Procedure to remove the DIMM cover for access to internal components.

1050 Mini PCI adapter

Steps for removing and replacing the Mini PCI adapter.

1060 DIMM

Instructions for removing and replacing a DIMM (memory module).

1070 MDC-2

Procedure for removing and replacing the MDC-2 (IBM Integrated 56K Modem).

1080 BMDC-3

Steps for removing and replacing the BMDC-3 (Bluetooth IV with 56K Modem).

1090 Keyboard

Detailed instructions for removing and replacing the computer keyboard.

1100 Upper case

Steps for removing and replacing the upper case assembly of the computer.

1110 Backup battery

Instructions for removing and replacing the internal backup battery.

1120 LCD assembly

Detailed steps for removing and replacing the LCD display assembly.

1130 Hard disk housing assembly

Procedure for removing and replacing the hard disk drive housing assembly.

1140 Top shielding

Steps for removing and replacing the top shielding component.

1150 System board

Detailed instructions for removing and replacing the system board.

1160 Fansink

Steps for removing and replacing the computer's fansink assembly.

2010 LCD bezel

Instructions for removing and replacing the LCD bezel.

2030 Inverter card

Procedure for removing and replacing the LCD inverter card.

2040 LCD

Steps for removing and replacing the LCD panel itself.

2050 Wireless LAN antenna cables and Bluetooth antenna cable

Instructions for removing and replacing wireless and Bluetooth antenna cables.

2060 Digitizer assembly

Steps for removing and replacing the digitizer assembly.

Locations

Front view for X41 series

Identifies components visible on the front of the X41 series ThinkPad.

Rear view for X41 series

Identifies components visible on the rear of the X41 series ThinkPad.

Bottom view for X41 series

Identifies components visible on the bottom of the X41 series ThinkPad.

Front View for X4 Dock

Identifies components visible on the front of the X4 Dock.

Rear View for X4 Dock

Identifies components visible on the rear of the X4 Dock.

Parts list

Overall

An overall exploded view and parts list for the ThinkPad X41 Tablet.

LCD FRUs

Lists specific Field Replaceable Units (FRUs) related to the LCD assembly.

Keyboard

Part numbers and details for various language keyboard layouts.

Recovery CDs

Lists part numbers for recovery CDs for Windows XP Tablet.

Miscellaneous parts

Lists various small parts and kits for system maintenance.

AC adapters

Part numbers and models for AC adapters used with the ThinkPad.

Common parts list

Lists common tools and maintenance diskettes required for service.

Notices

Trademarks

Related product manuals