Remove The Battery Pack - Lenovo IdeaPad S540-14 Series Hardware Maintenance Manual

Figure 3. Remove 10 screws
Screw specifications
M2.0 x 5.5
Step 3. Remove the lower case.
Figure 4. Remove the lower case

Remove the battery pack

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 31
Step 1. Disconnect the cable from the system board.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
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Hardware Maintenance Manual
Number of screws
10