Remove The I/O Board Cable - Lenovo Flex 3i Chromebook Hardware Maintenance Manual

Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Detach the main and auxiliary antenna cable connectors. Lift the Wi-Fi card and then remove the
Wi-Fi card by pulling it away from the slot.
Figure 7. Remove the Wi-Fi card
Go to https://support.lenovo.com/partslookup
part:
Wi-Fi card

Remove the I/O board cable

Make sure the following FRU (or CRU) have been removed.
"Remove the lower case" on page 30
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Remove the I/O board cable from the I/O board and the system board.
Figure 8. Remove the I/O board cable
to look up the Lenovo part number of the following replacement
.
Chapter 5 Removing a FRU or CRU
33