Detaching The Thinkpad Ultrabase Series 3 - Lenovo ThinkPad X230 Tablet User Manual

4. Turn the system lock key to the locked position (horizontal). The computer is docked to the ThinkPad
UltraBase Series 3.
Note: You can turn the key clockwise to lock it. Then, keep the key in a safe place. Do not lose this key;
otherwise, you will be unable to detach the computer from the ThinkPad UltraBase Series 3.

Detaching the ThinkPad UltraBase Series 3

Attention: Do not detach your computer from the ThinkPad UltraBase Series 3 while the docking station
indicator is blinking or on. Wait until the docking station indicator turns off. Detaching while the indicator is
blinking or on causes the system to beep, and the computer might halt.
You can hot detach or warm detach the computer from the ThinkPad UltraBase Series 3. Hot detachment is
detaching the computer from the ThinkPad UltraBase Series 3 while the computer is in operating mode;
warm detachment is detaching the computer from the ThinkPad UltraBase Series 3 while the computer
is in sleep mode.
Before performing a hot or warm detachment operation, ensure that:
• The devices connected to USB, serial, and parallel connectors are not in use.
• The connection to the Ethernet port has ended.
• The battery is fully charged.
Performing a hot detachment operation
To perform a hot detachment operation, do the following:
1. Click Start, and then press the right arrow key and select Unlock.
2. When the docking station indicator is off, detach the computer following the instructions in "Detaching
the computer" on page 99.
Note: Detaching while the computer is operating without performing the procedure above may cause the
system to malfunction or hang.
Performing a warm detachment operation
To perform a warm detachment operation, do the following:
• Press the eject request button of the ThinkPad UltraBase Series 3. The system will then resume with
an OK message.
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User Guide