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Rules for ensuring general safety during maintenance operations.
Rules to observe when working on electrical equipment.
Guide to assist in identifying potentially unsafe conditions.
Precautions for handling components sensitive to electrostatic discharge (ESD).
Electrical grounding requirements for operator safety and system function.
List of languages for safety notices.
Key considerations before proceeding with checkout instructions.
Initial steps and information required when returning an FRU.
Lists of Customer Replaceable Units (CRUs) for specific models.
How exploded illustrations help identify FRUs or CRUs for replacement.
Lists tools required for servicing Lenovo computers.
Important guidelines to follow when removing or replacing FRUs.
Step-by-step instructions for removing the lower case of the computer.
Procedure for disconnecting and removing the battery pack.
Steps to disconnect and remove the touchpad board cable.
Instructions for disconnecting and removing the speakers.
Procedure for detaching and removing antenna cable connectors and antennas.
Steps to disconnect and remove the I/O board cable.
Procedure for disconnecting the cable and removing the I/O board.
Steps to disconnect cables and remove the system board.
Instructions for using a Golden Key U1 tool for flashing system information.
Steps to disconnect the battery pack cable and LCD cable.
Procedure for removing the upper case assembly including touchpad and keyboard.
Steps for disassembling the LCD module into its components.
Procedure for removing the strip cover from the LCD module.
Steps to remove two screws and then remove the LCD panel.
Procedure to remove eight screws and then remove the hinges.
Steps to peel off tape and remove the sensor board.
Procedure to peel off camera AL foil and remove the camera board.
Steps to peel off tape and disconnect the EDP cable.
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