Chapter 9. Replacing FRUs (Machine Types: 1857, 1893, and
1895)
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.
Locating connectors, controls, and indicators on the front of your
computer
Figure 35 “Front connector, control, and indicator locations” on page 107 shows the locations of the
connectors, controls, and indicators on the front of your computer.
Figure 35. Front connector, control, and indicator locations
1
Optical drive eject/close button
5
USB connector (USB port 2)
2
Power switch
6
Microphone connector
© Copyright Lenovo 2011, 2012
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