Sony VAIO VAIO Notebook Computer User Manual page 45

From the Start menu
1 Click the Start menu in the Windows task tray.
2 Select Eject PC to access the "Undock Complete" dialog box.
Wait for the docking indicator light to switch off before undocking the
notebook.
Once the "Undock Complete" dialog box appears, continue on to step 3 to finish
undocking the notebook. This prevents from leaving the notebook on the docking
station in this released state for too long.
Docking Indicator Light
3 Release and remove your notebook as described in the "Disconnecting the
docking station when the notebook is off" section.
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 from leaving the notebook on the docking
station in this released state for too long.
Connecting Peripheral Devices
Docking
Indicator Light
45