Step 1.
Disconnect the battery pack cable from the system board and remove the fan.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
Figure 23. Disconnect the battery pack cable
Step 2.
Disconnect the fan cable from the system board.
Figure 24. Disconnect the fan cable
Step 3.
Remove three screws and then remove the fan.
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IdeaPad 3/IdeaPad 3i/IdeaPad Slim 3/IdeaPad Slim 3i Series Hardware Maintenance Manual