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 100.
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 102.
5. Remove the wireless-WAN card by doing the following:
Note: A Mylar film might cover the wireless-WAN card. To access the wireless-WAN card, open the film
first.
a. Hold the cable connector with your fingers and gently disconnect each cable from the wireless-WAN
card
1 . Then remove the screw that secures the wireless-WAN card 2 . The card is released from the
secured position and pivots upward.
b. Carefully remove the wireless-WAN card out of the slot
3 .
Chapter 9. Replacing devices 105
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