6. Carefully pivot the Wi-Fi card upward and lift the Wi-Fi card to remove it from the mini PCI Express
x1 card slot.
Figure35. Removing the Wi-Fi card
7. Insert the notched end of the new Wi-Fi card into the mini PCI Express x1 card slot. Press the new
Wi-Fi card firmly and then pivot the Wi-Fi card to align the screw hole in the new Wi-Fi card with the one
in the system board.
8. Install the screw to secure the new Wi-Fi card to the system board.
9. Connect the two cables to the new Wi-Fi card.
Note: The black cable should be connected to the WiFi card connector MAIN. The grey cable should
be connected to the WiFi card connector AUX.
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 71.
Replacing the ambient light sensor
Attention:
Do not open your computer or attempt any repair before reading and understanding “Important safety information”
on page v
.
This section provides instructions on how to replace the ambient light sensor.
Note: The ambient light sensor is available only in some models.
To replace the ambient light sensor, do the following:
Chapter 5. Installing or replacing hardware 61