Lenovo 4220, 4222 Replacing FRUs, Locations Locating connectors on the front of your computer

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 connectors on the front of your computer

Front connector locations shows the locations of the connectors on the front of your computer.

Figure 1. Front connector locations

1USB connector

2Headphone connector

3

4

Microphone connector

USB connector

Locating connectors on the rear of your computer

Rear connector locations shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer.

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