after install the driver , I be greet with blank screen . 2-star because I be able to uninstall the driver fairly easily use the supply cd after enter safe mode -lrb- win 7 -rrb- : when the software detect install driver , it ask you if you want to uninstall automatically . return and buy this plugable usb 2.0 uga dl 195 chipset . the latter work without I have to do anything . just plug and 3 monitor on a laptop with a dock station .