Recent content by wxo

  1. W

    Question ThinkP T420 works normally only when on Series 3 docking station. When it is undocked, the machine is dead.

    I've submitted this problem to the Lenovo forum. Thanks
  2. W

    Question ThinkP T420 works normally only when on Series 3 docking station. When it is undocked, the machine is dead.

    This scenario provides the most information: Starting with Win10 running normally on the Dock, I eject the T420 ThinkPad. Once off the dock, I open the ThinkPad and the display is active showing everything as it was on the dock. A USB mouse works, wifi is active, browser works, but the...
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    Question ThinkP T420 works normally only when on Series 3 docking station. When it is undocked, the machine is dead.

    Lenovo ThinkPad T420 running latest Windows 10 normally runs docked on a 433710U Mini Dock Series 3 docking station. It has run this way for years. Until recently, undocking and re-docking have worked flawlessly. However, now when I undock the ThinkPad, it is unresponsive. No amount of...
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