Sony PCG-R505JE Primary Quick Start Manual page 25

Using the UNDOCK switch
1 Pull the UNDOCK switch on the right side of your notebook. The "Undock
Complete" dialog box appears.
✍
Once the "Undock Complete" dialog box appears, continue on to step 2 to finish
undocking the notebook. This prevents you from leaving the notebook on the docking
station in this released state for too long.
UNDOCK switch
2 Release and remove your notebook as described in "Disconnecting the
docking station when the notebook is off" on page 22.
Disconnecting the Docking Station
UNDOCK
Switch
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