Related Manuals for HP 2668
Summarization of Contents
Introduction
Important Service Information
Important notes for service personnel regarding BIOS, drivers, and customer support.
FRU Replacement Strategy and Identification
FRU Replacement Strategy
Strategy to prevent unnecessary expense for replacing and servicing FRUs.
FRU Identification Methods
Resources for identifying FRUs: PEW, eSupport, and HMM.
RoHS Compliance and Diskette Compatibility
RoHS Compliant FRU Information
Information on replacing FRUs considering RoHS compliance requirements.
Diskette Compatibility Matrix
Compatibility of diskette drives with different diskette capacities.
Safety Information
General Safety
Rules for general safety: housekeeping, lifting, avoiding hazards.
Electrical Safety
Rules for working with electrical equipment: approved tools, safe practices.
Safety Inspection Guide
Checklist for identifying potentially unsafe conditions before service.
General Descriptions
Read This First
Important notes before proceeding to checkout guide, covering FRU replacement.
What to Do First
Information required for parts exchange or return forms for FRU service.
Related Service Information
Service Web Site
URL for obtaining the latest maintenance and system program service diskettes.
Restoring the Pre-installed System
Procedure for restoring the system using recovery CDs after HDD replacement.
Recovery to Factory Contents using Product Recovery CDs
Step-by-step guide to create service partition and install factory contents.
Passwords
Power-On Password (POP)
Protects system from unauthorized power-on; must be entered before OS boot.
Hard-Disk Password (HDP)
User and Master HDPs for accessing the hard disk; lost HDPs cannot be reset.
Supervisor Password (SVP)
Protects access to BIOS Setup Utility and system configuration.
Password Removal Procedures
Removing the Power-On Password
Steps to remove POP by removing battery pack and backup battery.
Removing the Hard-Disk Password
Steps to remove user HDP when SVP and Master HDP are known.
Power Management
Screen Blank Mode
Description of screen blanking options and how to exit this mode.
Standby Mode
Events in standby mode and how to enter; automatic standby conditions.
Hibernation Mode
System status storage and power off in hibernation; docking station issues.
Checkout Guide
Testing the Computer with PC-Doctor
Overview of PC-Doctor for DOS diagnostics program and its usage.
Creating PC-Doctor Diagnostics Diskette
Steps to create a bootable diagnostic diskette using Rescue and Recovery.
Power System Checkout
Checking the AC Adapter
Procedure to check AC adapter output voltage and continuity.
Checking Operational Charging
Procedure to verify battery charging during operation; indicator status.
Checking the Battery Pack
Checking battery pack voltage and resistance; hot battery pack handling.
Checking the Backup Battery
Measuring backup battery voltage and checking its discharge rate.
ThinkPad T43/T43p Series Overview
Product Overview and Specifications
Overview and detailed technical specifications of the T43/T43p series.
Status Indicators
Explanation of system status indicators showing computer status.
FRU Tests
Table showing applicable tests for each Field Replaceable Unit (FRU).
Fn Key Combinations
Table detailing the function of each Fn key combination.
FRU Tests
System Board FRU Tests
Applicable tests for the system board, including CPU and HDD tests.
Power FRU Tests
Applicable tests for power components like AC adapter and battery.
LCD Unit FRU Tests
Applicable tests for the LCD unit, including video adapter tests.
Modem and Bluetooth/Modem Daughter Card Tests
Tests for modem and Bluetooth/Modem cards, including communication tests.
Fn Key Combinations
Fn+F1 to Fn+F8 Combinations
Basic Fn key combinations for display, power, and system functions.
Fn+F9 to Fn+Spacebar Combinations
Utility and accessibility Fn key combinations for eject, magnifier.
Symptom-to-FRU Index
Numeric Error Codes
List of numeric error codes, their symptoms, and corresponding FRU or action.
Beep Symptoms
List of beep symptoms and their corresponding FRU or action.
No-Beep Symptoms
List of no-beep symptoms and their corresponding FRU or action.
LCD-Related Symptoms
Information on LCD issues, pixel defect criteria, and troubleshooting steps.
Intermittent and Undetermined Problems
Intermittent Problems
Procedures for diagnosing and resolving intermittent system hang problems.
Undetermined Problems
Procedures to isolate failing FRU when diagnostic tests yield no clear results.
FRU Replacement Notices
Screw Notices
Information on special nylon-coated screws and tightening procedures.
Serial Number Procedures
Saving and restoring system unit serial number before system board replacement.
UUID and ECA Information Procedures
Setting UUID and reading/writing ECA information on the system board.
Removing and Replacing a FRU
Battery Pack Replacement
Instructions for removing and installing battery packs for 14.1-in. and 15.0-in. models.
Ultrabay Slim Device Replacement
Instructions for removing and installing the Ultrabay Slim device.
Hard Disk Drive Replacement
Instructions for replacing the hard disk drive, with attention to physical shock.
DIMM Replacement
Instructions for removing and installing optional and standard DIMM modules.
Modem and Bluetooth/Modem Daughter Card Replacement
Modem Daughter Card (MDC-2) Replacement
Instructions for removing and installing the Modem Daughter Card (MDC-2).
Bluetooth/Modem Daughter Card (BMDC-3) Replacement
Instructions for removing and installing the Bluetooth/Modem Daughter Card.
LCD Assembly and Related Component Replacement
Fan Assembly Replacement
Instructions for replacing the fan assembly, with caution for copper plate.
Backup Battery Replacement
Instructions for removing and installing the backup battery.
Speaker Assembly Replacement
Instructions for removing and installing the speaker assembly, including cable routing.
Keyboard Bezel Replacement
Instructions for replacing keyboard bezel, including latch and harness attachment.
Component Replacement Procedures
PC Card/ExpressCard Slots Replacement
Instructions for removing and installing PC Card/ExpressCard slots.
CPU Replacement
Instructions for removing and installing the CPU, including socket and screw rotation.
System Board and Base Cover Replacement
Instructions for replacing the system board and base cover (14.1-in. LCD models).
LCD and Related Component Replacement
LCD Front Bezel Replacement
Instructions for replacing the LCD front bezel (14.1-in. and 15.0-in. LCD models).
Inverter Card Replacement
Instructions for replacing the inverter card (14.1-in. and 15.0-in. LCD models).
Wireless Assemblies, LCD Panel, Cable, Hinges, LCD Cover Replacement
Instructions for replacing LCD assembly components (14.1-in. LCD models).
Dock II Component Replacement
ThinkPad Dock II PCI Cover Replacement
Instructions for removing and installing the PCI cover for the ThinkPad Dock II.
ThinkPad Dock II Top Cover Replacement
Instructions for removing and installing the top cover for the ThinkPad Dock II.
Locations
Front View Locations
Diagram identifying front view components and indicators with numbers.
Rear View Locations
Diagram identifying rear view connectors and indicators with numbers.
Bottom View Locations
Diagram identifying bottom view components and latches with numbers.
Parts List
Overall Parts Breakdown
Exploded view showing all major parts of the ThinkPad T43/T43p series.
LCD FRUs (14.1-in. & 15.0-in.)
List of FRUs for 14.1-in. and 15.0-in. LCD models, including part numbers.
Keyboard and Recovery CDs
Part numbers for keyboards and Windows XP Recovery CDs by language.
Miscellaneous, AC Adapters, and Optional FRUs
Lists of miscellaneous parts, AC adapters, and optional FRUs.
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