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Read all caution and danger statements before performing instructions.
Follow rules to ensure general safety during maintenance.
Observe rules for working on electrical equipment; disconnect power.
Protect parts with transistors/ICs from ESD damage by equalizing charge.
Covers DANGER, CAUTION, PERIGO, ATTENTION, VORSICHT, ACHTUNG, PELIGRO, PERICOLO, CUIDADO, PRECAUCIÓN.
Provides access to information sources and tools for easier, secure work.
Lists physical specifications for computer models.
Assists in problem determination with hardware and software combinations.
Helps maintain computer, improve security, diagnose problems, and update drivers.
Diagnostic program for systems that cannot start Windows.
Steps to start the Setup Utility for viewing and changing settings.
Set passwords (Power-On, Administrator, Hard Disk) for unauthorized access prevention.
Instructions to erase passwords by clearing CMOS via jumper.
Select a startup device if the computer does not boot as expected.
Lists causes and FRU actions for hard disk drive boot errors.
Refer to diagnostic error codes for information on diagnostic programs.
Describes beep symptoms as tones during POST and their FRU actions.
Explains POST error codes that appear on the screen after system power-on tests.
Steps to diagnose problems when the cause is not immediately clear.
Helps locate computer connectors, components, and internal drives.
Figure showing locations of various internal computer components.
Instructions to expand capabilities or maintain the computer by installing/replacing hardware.
Step-by-step instructions on how to remove the computer cover for access.
Instructions on how to replace the computer's internal battery that maintains date/time.
Instructions for replacing the main system board of the computer.
Instructions on how to replace the main hard disk drive.
Steps to reinstall computer cover, reconnect cables, and confirm configuration.
Helps locate computer connectors, components, and internal drives.
Figure showing locations of various internal computer components.
Step-by-step instructions on how to remove the computer cover for access.
Instructions for replacing the main system board of the computer.
Steps to reinstall computer cover, reconnect cables, and confirm configuration.
Lists and describes mechanical Field Replaceable Units (FRUs).
Lists various adapters and miscellaneous FRUs for system expansion.
Lists different power cord types and their FRU numbers.
Lists recovery disc part numbers for various Windows versions.
Covers passwords and Vital Product Data for system security.
Information on determining current BIOS level and obtaining updates.
Instructions on how to update (flash) the BIOS using a disc or OS.
Reduces power consumption of computer components.
Notice regarding copyright protection technology for television output.
Lists Lenovo and other company trademarks.
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General