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Chapter 8. Replacing FRUs (Machine Types: 4468, 4473, 4476,
4479, 4495, 4497, 4499, 4504, 4513, 4517, 4524, 7021, 7032, 7034,
7049, 7052, 7053, 7073, 7136, and 7178.)
Important: Be sure to read and understand Chapter 2 “Safety information” on page 3 before you replace
any FRU. These precautions and guidelines will help you work safely.
FRU replacements are to be done only by trained service technicians.
This chapter does not contain the remove or replace procedure for all FRUs. Only the major FRUs are
documented.
Locations
This section provides information to help you locate your computer connectors, components, parts on
the system board, and internal drives.
Note: The components in your computer might look slightly different from the illustrations.
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