Lenovo 7516, 384, 4168, 5067, 7519, 5027, 266, 2491 manual Replacing FRUs, Locations

Chapter 8. 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

This section provides information to help you locate the connectors on the front and rear of your computer, parts on the system board, and components and internal drives in your computer.

Locating connectors, controls, and indicators on the front of your computer

Figure 1 “Front connector, control, and indicator locations” on page 69 shows the locations of the connectors, controls, and indicators on the front of your computer.

Figure 1. Front connector, control, and indicator locations

1

2

3

4

Hard disk drive activity indicator Power indicator

Power switch

Optical drive eject/close button

5

6

7

8

USB connector (USB port 1)

Microphone connector

Headphone connector

USB connector (USB port 2)

© Copyright Lenovo 2011 69