Lenovo ThinkStation C20 Hardware Maintenance Manual - ThinkStation C20/C20x - Page 75

Replacing FRUs, Locations, Locating controls and connectors on the front of your computer

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Chapter 9. Replacing FRUs This chapter provides step-by-step instructions for replacing major FRUs. Important Be sure to read and understand the Chapter 2 "Safety information" on page 3 before replacing any FRU. These precautions and guidelines will help you work safely. FRU replacements are to be done only by trained service technicians. Locations Locating controls and connectors on the front of your computer Front control and connector locations shows the locations of the controls and connectors on the front of your computer. Figure 1. Front control and connector locations 1 Hard disk drive activity indicator 2 Power switch and power indicator 3 USB connector 4 Microphone connector 5 Headphone connector 6 USB connector 7 IEEE 1394 connector (available on some models) 8 Optical drive eject button © Copyright Lenovo 2010, 2012 69

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Chapter 9.
Replacing FRUs
This chapter provides step-by-step instructions for replacing major FRUs.
Important
Be sure to read and understand the Chapter 2 “Safety information” on page 3 before replacing any FRU.
These precautions and guidelines will help you work safely.
FRU replacements are to be done only by trained service technicians.
Locations
Locating controls and connectors on the front of your computer
Front control and connector locations shows the locations of the controls and connectors on the front
of your computer.
Figure 1. Front control and connector locations
1
Hard disk drive activity indicator
5
Headphone connector
2
Power switch and power indicator
6
USB connector
3
USB connector
7
IEEE 1394 connector (available on some models)
4
Microphone connector
8
Optical drive eject button
© Copyright Lenovo 2010, 2012
69