Lenovo IdeaPad Slim 5i Pro Hardware Maintenance Manual page 45

"Remove the lower case" on page 28
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. Peel off the WLAN mylar.
Figure 21. Peel off the WLAN mylar
Step 3. Detach the main and auxiliary antenna cable connectors and then disconnect the EDP cable from
the system board.
Figure 22. Detach the main and auxiliary antenna cable connectors and then disconnect the EDP cable from
the system board
Step 4. Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface
as shown. Remove six screws and then remove the LCD unit.
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Chapter 4 Removing a FRU or CRU
39