Plugable UD-160-A USB 2.0 Universal Docking Station
device drivers seem to load and unload and display goes back and forth between laptop and external monitor
and Plugable device appears and disappears - I have unplugged all of my devices and still does same thing
this is an acer aspire 5750-9668 laptop with windows 7 home premium 64 bit
it has some power mgmt software for power on the usb 3.0 ports which i disabled. this did not help.
i downloaded the latest 6.1 beta software and have the same symptom