7521Plus / N N/B MAINTENANCE
2.2.1 Battery Pack
Disassembly
1.Carefully put the notebook upside down.
2.Turn the locking button to the "unlock” ( 
) position (n), then slide and hold the latch in the unlock position and pull the battery pack out of the compartment (o).(figure
Figure
Reassembly
1.Push the battery pack into the compartment. The battery pack should be correctly connected when you hear a clicking sound.
2.Turn the locking button to the "lock” ( 
) position.
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