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Chapter 10. Replacing FRUs
This chapter provides information about the FRU replacement instructions.
Important
Be sure to read and understand Chapter 2 “Safety information” on page 3 before replacing any FRU. These precautions and guidelines will help you work safely.
Note: FRU replacements are to be done only by trained service technicians.
Installing or replacing hardware
This section provides instructions on how to install or replace hardware for your computer. You can expand the capabilities of your computer and maintain your computer by installing or replacing hardware.
Attention: Do not open your computer or attempt any repair before reading and understanding the “Important Safety Information” on page 1.
Notes:
1.Use only computer parts provided by Lenovo.
2.When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option.
Handling static-sensitive devices
Do not open the
When you handle parts and other computer components, take these precautions to avoid
•Limit your movement. Movement can cause static electricity to build up around you.
•Always handle parts and other computer components carefully. Handle PCI cards, memory modules, system boards, and microprocessors by the edges. Never touch any exposed circuitry.
•Prevent others from touching the parts and other computer components.
•Before you replace a new part, touch the
•When possible, remove the new part from the
•Do not place the part on the computer cover or other metal surface.
Installing external options
You can connect external options to your computer, such as external speakers, a printer, or a scanner. For some external options, you must install additional software in addition to making the physical connection. When installing an external option, see “Locating connectors, controls, and indicators on the front of your computer” on page 55 and “Locating connectors on the rear of your computer” on page 56 to identify the
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