Maintenance and Service Guide

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)

Remove the WLAN antenna:

1. Detach the WLAN antenna transceivers (1) from the top cover. (The WLAN antenna transceivers

are attached to the top cover with double-sided tape.)

2. Release the WLAN antenna cables from the clips (2) and routing channel built into the top cover.

3. Remove the WLAN antenna cables and transceivers (3) from the top cover.

Reverse this procedure to install the WLAN antenna.

Component replacement procedures