Attaching A Thinkpad Port Replicator Series 3, Thinkpad Mini Dock Series 3, Thinkpad Mini Dock Plus Series 3, Or Thinkpad Mini Dock Plus Series 3 (170 W) - Lenovo ThinkPad T420 4236 User Manual

Note: If you attach your computer to the ThinkPad Mini Dock Plus Series 3 or the ThinkPad Mini Dock Plus
Series 3 (170 W) and use an external monitor connector, use the external monitor connector on the ThinkPad
Mini Dock Plus Series 3 or the ThinkPad Mini Dock Plus Series 3 (170 W), not the one on the computer.
10 When you attach a mechanical lock to the security keyhole, the eject button is locked so that the
computer cannot be removed from the ThinkPad Mini Dock Plus Series 3 or the ThinkPad Mini Dock Plus
Series 3 (170 W).
Attaching a ThinkPad Port Replicator Series 3, ThinkPad Mini Dock
Series 3, ThinkPad Mini Dock Plus Series 3, or ThinkPad Mini Dock Plus
Series 3 (170 W)
To attach your computer to a ThinkPad Port Replicator Series 3, a ThinkPad Mini Dock Series 3, a ThinkPad
Mini Dock Plus Series 3, or a ThinkPad Mini Dock Plus Series 3 (170 W), do the following:
The following drawings are for the ThinkPad Mini Dock Series 3, the ThinkPad Mini Dock Plus Series 3, or
the ThinkPad Mini Dock Plus Series 3 (170 W). The procedure is the same for the ThinkPad Port Replicator
Series 3.
Notes:
• Before you attach the computer to a ThinkPad Port Replicator Series 3, a ThinkPad Mini Dock Series
3, a ThinkPad Mini Dock Plus Series 3, or a ThinkPad Mini Dock Plus Series 3 (170 W), disconnect an
ac power adapter from the computer.
• If your computer is operating, make sure that it has finished any operations involving devices that are
connected to a USB connector and a USB/eSATA connector. Also make sure that any connection to
an Ethernet port has ended.
• Before you attach your computer to a ThinkPad Mini Dock Series 3, a ThinkPad Mini Dock Plus Series
3, or a ThinkPad Mini Dock Plus Series 3 (170 W), make sure that the system lock key is in place and
in the unlocked (horizontal) position.
• For ThinkPad Mini Dock Plus Series 3 (170 W), use the 170 ac power adapter and U.S. power cord
shipped with your computer.
1. To attach your computer, make sure that the system lock key is in place and in the unlocked (horizontal)
position for the ThinkPad Mini Dock Series 3, the ThinkPad Mini Dock Plus Series 3, or the ThinkPad
Mini Dock Plus Series 3 (170 W). Make sure that the mechanical lock is detached for the ThinkPad
Port Replicator Series 3.
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User Guide