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BIOS and device driver fixes are customer-installable. Contact help center for assistance.
Steps to prevent unnecessary FRU replacement and service expense.
Guide to diagnosing failures using error codes and symptoms.
Lists compatibility of diskette drives with different diskette capacities.
Warning about loose screws and metallic parts causing electrical shorts after FRU replacement.
DANGER: Warning about handling and disposal of batteries containing nickel and cadmium.
DANGER: Warning about nickel content in batteries and risks of fire or explosion.
DANGER: Warning about lithium batteries causing fire, explosion, or burns.
Warning about LCD fluid exposure and medical attention if symptoms persist.
DANGER: Warning to avoid electric shock by not removing inverter card cover.
DANGER: Warning about battery short circuits producing current that can burn materials or personnel.
DANGER: Procedure to power off, unplug, and disconnect before FRU removal.
Rules for safe housekeeping, lifting, and handling equipment during maintenance.
Rules for safe handling of electrical equipment and precautions against shock.
Checklist for identifying potentially unsafe conditions before servicing.
Procedures to protect components from damage caused by static electricity.
Importance of electrical grounding for operator safety and system function.
Compliance information for CD-ROM/DVD drives with laser products.
Essential notes and warnings before servicing the computer or replacing FRUs.
Explains conditions not covered under warranty and common non-warranted damage symptoms.
Information on where to find the latest maintenance and system program diskettes.
Steps to restore pre-installed software from a hard-disk drive or Recovery CD.
Procedures for creating a service partition and installing preloaded system from Recovery CD.
Instructions for creating a recovery repair diskette for program access.
Steps to make and use a recovery repair diskette.
Explains power-on, hard-disk, and supervisor passwords and their functions.
Details on protecting the system from unauthorized startup.
Explains user and master HDPs and their roles in system security.
Protects system information and configuration settings in BIOS Setup Utility.
Procedure to remove a forgotten power-on password.
Steps to remove a forgotten user HDP when SVP and master HDP are known.
Describes the screen blank mode and its variants for power saving.
Details the standby mode, its effects on system components, and how to enter it.
Explains hibernation mode, its functions, and how the computer enters it.
Guide on using PC-Doctor DOS diagnostics to test computer components.
How PC-Doctor can identify hardware info and utility functions.
Procedure to verify power supply issues by checking AC adapter and battery pack.
Steps to test the AC adapter's output voltage for proper function.
Procedure to verify if the battery pack charges correctly during operation.
How to measure battery voltage and resistance for diagnosing issues.
Procedure to measure the voltage of the backup battery.
Lists the technical specifications for ThinkPad A22m wireless models.
Table showing applicable tests for each Field Replaceable Unit (FRU).
Explains the meaning of system status indicators like Battery and Standby status.
Table detailing the functions of Fn key combinations with function keys.
Lists numeric error codes, their symptoms, and corresponding FRU actions.
Describes beep codes and their associated causes and FRU actions.
Lists symptoms with no beeps and their FRU or action guidance.
Procedures for isolating failing FRUs when diagnostic tests are inconclusive.
Lists common error messages and their FRU or action sequences.
Describes symptoms related to the LCD screen and recommended FRU actions.
Guidance on analyzing and resolving intermittent system hang issues.
Information on special nylon-coated screws and tightening procedures.
Procedures for saving and restoring system unit serial numbers and UUIDs.
General guidelines and safety precautions before servicing or replacing FRUs.
Instructions for removing and replacing the battery pack, with safety warnings.
Instructions for accessing and removing the DIMM module.
Instructions for accessing and removing the Mini PCI adapter.
Instructions for accessing and removing the backup battery.
Instructions for removing the hard-disk drive or RF ID adapter, with handling precautions.
Instructions for installing and removing devices from the Ultrabay 2000.
Instructions for removing and installing a dummy card in the slot.
Instructions for removing and replacing the keyboard.
Instructions for removing and installing the speaker cable.
Instructions for removing and installing the wireless PC card and sub card.
Instructions for removing and installing the PC card slot assembly.
Instructions for removing and installing the fan assembly, including thermal grease application.
Instructions for removing and installing the diskette drive.
Instructions for removing and installing the upper shield assembly.
Instructions for reinstalling the modem cable routing for the TV card.
Instructions for removing and installing the CPU and its socket, including locking mechanism.
Instructions for removing and installing the system board and connector assembly.
Instructions for removing and installing the LCD assembly, including cable management.
Instructions for removing and installing the front bezel assembly.
Instructions for removing and installing the inverter card.
Instructions for removing and installing the LCD panel, including cable routing.
Instructions for removing and installing the antenna assembly and hinges.
Information on different types of ThinkPad Dock PCI covers.
Instructions for removing and installing the top cover of the ThinkPad Dock.
Identifies system status indicators, buttons, and ports on the front of the computer.
Identifies connectors and ports on the rear of the computer.
Identifies the battery pack, drives, and other components on the bottom of the computer.
Exploded view showing all major FRUs and their corresponding part numbers.
Lists part numbers for LCD components like cover, cable, panel, hinges, and inverter.
Lists part numbers for keyboards in various languages.
Lists part numbers for recovery CDs for Windows 98.
Lists part numbers for various miscellaneous components like screws, sponges, and stoppers.
Lists part numbers for optional devices like Ultrabay drives and hard-disk drives.
Lists part numbers for common tools used in maintenance.
Lists IBM power cords for system units by region.
Lists IBM power cords for docking stations by region.
Lists IBM and other company trademarks mentioned in the publication.
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