Sharp PC-AR10 Manual page 81

Before docking your computer to the port replicator, either turn off the computer or
let the computer enter to System Standby/Hibernate by pressing the hot keys
Fn+F12. After the computer is shut down or in System Standby/Hibernate, install
the computer in the port replicator. The guide pins ensure that the computer is
positioned correctly. Restart your computer by pressing the power button, or resume
from System Standby mode by pressing any key.
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To undock the computer, turn off or let your computer enter System
Standby/Hibernation, press down on the two disconnect buttons to disconnect the
computer, and then lift the computer from the port replicator.
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