Replacing The Wireless-Wan Card - Lenovo 20J8 User Manual

8. Reinstall the removable battery.
9. 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 computers with user-installable modules.
Before you start, read "Important safety information" on page v and print the following instructions.
To replace the wireless-WAN card, do the following:
1. Turn off the computer and disconnect it from ac power and all cables.
2. Close the computer display and turn the computer over.
3. Remove the removable battery. See "Replacing the removable battery" on page 101.
4. Remove the bottom cover. See "Replacing the bottom cover" on page 104.
5. Remove the wireless-WAN card by doing the following:
Note: A film might cover the wireless-WAN card. To access the wireless-WAN card, open the film first.
a. If a tool is provided with the new wireless-WAN card to help you disconnect cables, use the tool to
disconnect the cables from the wireless-WAN card. Otherwise, hold the cable connector with your
fingers and gently disconnect each cable from the wireless-WAN card
b. Remove the screw
upward.
c. Carefully remove the wireless-WAN card out of the slot
2 . The wireless-WAN card is released from the secured position and pivots
1 .
3 .
.
Chapter 9
107
Replacing devices