Texas Instruments TravelMate 4000M User Reference Manual page 208

Undocking the Notebook
To undock the notebook from the Portable CD-ROM
Docking System, complete the following steps:
1. Turn off power to both the Portable CD-ROM Docking
System and the notebook.
2. Remove all batteries and remove the power cord.
3.
Unclamp the notebook. To do this, first push in on the
tab with the thumb and lift the clamp up from the
bottom so that the latch drops. Do this on each side
of the notebook.
4.
Release the notebook by pressing in on the tabs at the
back of the Portable CD-ROM System.
Unclamping the notebook
Portable CD-ROM Docking System 12-7
Undocking t he Noteb ook