Lenovo X230 - Manual (Page 113)

Detaching the computer
To detach your computer from the ThinkPad UltraBase Series 3, do the following:
1. Ensure that the system lock key of the ThinkPad UltraBase Series 3 is in the unlocked (vertical) position.
2. Close the computer display.
3. If you are hot-detaching or warm-detaching the computer, press the eject request button on the
ThinkPad UltraBase Series 3. Then ensure that the docking status indicator is off.
4. Release the eject lever on the left side of the ThinkPad UltraBase Series 3 1 until the computer lifts up;
then remove the computer 2 .
Security feature
The lock of the ThinkPad UltraBase Series 3 has two positions.
Chapter 7 . Enhancing your computer 95