Remove The Wi-Fi Card - Lenovo IdeaPad 1 Series Hardware Maintenance Manual

Step 1. Disconnect the battery pack cable and coin-cell battery cable from the system board. Then,
remove the coin-cell battery.
Figure 17. Disconnect cables and remove the coin-cell battery
Go to
https://support.lenovo.com/partslookup
replacement part:
Coin-cell battery

Remove the Wi-Fi card

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
Step 1. Disconnect the battery pack cable and the Wi-Fi card cable from the system board.
Figure 18. Disconnect cables
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
37