Sony PCG-838 - Manual (Page 61)

Connecting Peripheral Devices 51
To remove your computer from the docking station when the power is on
1
Insert a charged battery in the computer.
2
On the Start menu, select Eject. Alternatively, press Fn+F9.
The IN USE indicator turns off. If you press Fn+F9, the computer beeps.
3
Slide the docking station lever forward into the RELEASE position to
disengage the computer from the docking station.
4
Lift the computer away from the docking station.
5 Close the docking station port cover on the back of your computer.
✍
Do not remove the computer before the IN USE indicator light turns off. Removing the
computer before the light turns off may cause a malfunction.
✍
You cannot remove your computer from the docking station when the power is on
unless you insert a charged battery in the computer first.