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Chapter 8. Replacing FRUs (Machine Types: 3063, 3231, 3285,
4084, 4085, 4086, 4087, 6138, 6209, 6239, 6302, 7188, 7244, 7347,
7355, 7358, 7373, 7484, 7571, 7628, 7635, 7639, 8494, 8854, 9728,
9960, and 9965.)
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.
Locating connectors on the front of the computer
The following illustration shows the location of the connectors on the front of your computer.
Note: Not all computer models will have the following connectors.
Figure 1. Front connector locations
1 USB connector
3 Microphone connector
2 Headphone connector
4 USB connector
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