Lenovo 3484JMU manual Replacing the WiFi units, Removing the WiFi adapter card, What to do next

9.Reconnect the front audio and USB assembly cables to the front audio connector and the front USB connector on the system board. See “Locating parts on the system board” on page 13.

What to do next:

•To work with another piece of hardware, go to the appropriate section.

•To complete the installation or replacement, go to “Completing the parts replacement” on page 63.

Replacing the WiFi units

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.

This section provides instructions on how to replace the WiFi units. The WiFi units include a WiFi adapter card, a WiFi card module, and a rear WiFi antenna cable.

Replacing the WiFi units involves the following operations:

•“Removing the WiFi adapter card” on page 54

•“Removing the WiFi card module” on page 55

•“Installing the WiFi units” on page 56

Removing the WiFi adapter card

To remove a WiFi adapter card, do the following:

1.Turn off the computer and disconnect all power cords from electrical outlets.

2.Remove the computer cover. See “Removing the computer cover” on page 34.

3.At the rear of the computer, remove the screw that secures the PCI card latch.

54ThinkCentre User Guide