Chapter 8. Replacing Frus (Machine Types: 0864, 7099, And 7846.); Locating Connectors, Controls, And Indicators On The Front Of Your Computer - Lenovo 7099B8U Hardware Maintenance Manual

Chapter 8. Replacing FRUs (Machine Types: 0864, 7099, and
7846.)
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, controls, and indicators on the front of your
computer
Front connector, control, and indicator locations shows the locations of the connectors, controls, and
indicators on the front of your computer.
Figure 1. Front connector, control, and indicator locations
1
Hard disk drive activity indicator
2
Power indicator
3
Power switch
4
Optical drive eject/close button
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5
USB connector
6
Headphone connector
7
Microphone connector
8
USB connector
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