Lenovo 20NJ0000US User Manual page 63

4. 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
the secured position and pivots upward.
b. Carefully remove the wireless-WAN card out of the slot
5. Install a new wireless-WAN card by doing the following:
a. Align the contact edge of the new wireless-WAN card with the key in the slot. Then, carefully insert
the card into the slot at an angle of about 20 degrees
b. Install the screw to secure the wireless-WAN card in place
card 4 . Ensure that you connect the orange cable to the main connector on the card, and the blue
cable to the auxiliary connector on the card.
6. Reinstall the base cover assembly.
7. Connect the ac power adapter and all disconnected cables to the computer.
2 . The card is released from
3 .
1
. Pivot the card downward
3
. Connect the antenna cables to the
Chapter 7
2
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CRU replacement