Maintenance and Service Guide

Reverse this procedure to install the heat sink.

RJ-45 jack cover

Description Spare part number

RJ-45 jack cover 701816-001

Before removing the RJ-45 jack cover, follow these steps:

1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn

the computer on, and then shut it down through the operating system.

2. Disconnect the power from the computer by unplugging the power cord from the computer.

3. Disconnect all external devices from the computer.

4. Remove the bottom cover (see

Bottom cover on page 33), and then remove the following

components:

a. Battery (see

Battery on page 35)

b. Fan (see

Fan on page 39)

c. System board (see

System board on page 62)

Component replacement procedures