Remove The I/O Board; For 14-Inch And 15-Inch Models - Lenovo 81WE00DDCC Hardware Maintenance Manual

Step 2. Disconnect the Wi-Fi card cables from the Wi-Fi card. Then, remove one screw and slide the Wi-Fi
card out of the slot.
Figure 25. Remove one screw and slide the Wi-Fi card out of the slot
Screw specifications
M2 x 2.5
Go to https://support.lenovo.com/partslookup
replacement part:
Wi-Fi card

Remove the I/O board

For 14–inch and 15–inch models
Make sure the following FRU (or CRU) has been removed.
"Remove the lower case" on page 28
Step 1. Disconnect the battery pack cable, speaker cable, and the I/O board cable.
42
IdeaPad 3 (14", 05), IdeaPad 3 (15", 05), IdeaPad 3 (17", 05) , IdeaPad Slim 3 (14", 05), IdeaPad Slim 3 (15", 05), IdeaPad Slim 3
(17", 05) Hardware Maintenance Manual
Number of screws
1
to look up the Lenovo part numbers of the following