User Manual

6. Turn the computer over. Connect the ac power adapter and all cables to the computer.
Replacing the wireless-WAN card
The following information is only for the computer with user-installable modules.
Before you start, read “Important safety information” on page v and print the following instructions.
Attention: Do not touch the contact edge of the wireless-WAN card. Otherwise the wireless-WAN card
might get damaged.
To replace the wireless-WAN card, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 96.
2. Ensure that the computer is turned off and disconnected from ac power and all cables.
3. Close the computer display and turn the computer over.
4. Remove the base cover assembly. See “Replacing the base cover assembly” on page 97.
5. Remove the wireless-WAN card by doing the following:
a. Open the mylar film to access the wireless-WAN card
1 .
b. Hold the cable connector with your fingers and gently disconnect each cable from the wireless-WAN
card
2 . Then remove the screw that secures the wireless-WAN card 3 . The card is released from the
secured position and pivots upward.
c. Carefully remove the wireless-WAN card out of the slot
4 .
Chapter 9. Replacing devices 99