Remove The System Board - Lenovo IdeaPad Flex 3 Hardware Maintenance Manual

Figure 9. Detach the main and auxiliary antenna cable connectors.
Step 3. Remove one screw and then remove the WLAN card.
Figure 10. Remove one screw and remove the WLAN card
Screw specification
M2 x 2.5
Go to
https://support.lenovo.com/partslookup
part:
WLAN card

Remove the system board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 26
"Remove the battery pack" on page 27
"Remove the WLAN card" on page 29
Step 1. Disconnect cables connected to the system board.
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IdeaPad Flex 3 Chromebook (11", 05) Hardware Maintenance Manual
Number of screw
1
to look up the Lenovo part number of the following replacement