Remove The I/O Board - Lenovo IdeaPad 3 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

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), and IdeaPad 3 (17", 05) Hardware Maintenance Manual
Number of screws
1
to look up the Lenovo part numbers of the following