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    Windows 7 Docked laptop using screen as second display

    Win 7 Pro x64 NVIDIA Quadro K1000M For the six months that I've owned this Lenovo W530, it's worked this way: I bring it home, put it in the dock (closed), and I use my external keyboard and display. Yesterday, for no reason I know of, I couldn't get any video signal to the monitor. In an...