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Step 3.
Detach the main and auxiliary antenna cable connectors. Remove one screw and then remove the
Wi-Fi card by pulling it away from the slot.
Figure 16. Remove the Wi-Fi card
Screw specifications
M1.98 x L3.0
Go to
https://support.lenovo.com/partslookup
replacement parts:
Wi-Fi card
Mylar
Remove the heat sink (for ThinkBook 14 G4 IAP and ThinkBook 15 G4
IAP only)
Make sure the following FRU (or CRU) has been removed.
"Remove the lower case" on page 34
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 three screws and then remove the heat sink.
40
Hardware Maintenance Manual
Number of screws
1
to look up the Lenovo part numbers of the following
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