Remove The Usb Board; For 14-Inch Models - Lenovo 82RK00P5IX Hardware Maintenance Manual

Screw specifications (for 15–inch models)
M2 x L3.5
Go to https://support.lenovo.com/partslookup
replacement part:
Wi-Fi card

Remove the USB board

For 14–inch models
Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
Step 2. Peel off the tape and then disconnect the USB board cable from the system board.
Figure 30. Disconnect the USB board cable from the system board
Step 3. Remove two screws and then remove the USB board.
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IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i Series Hardware Maintenance Manual
Number of screws
1
to look up the Lenovo part numbers of the following