ubuntu 14.04.5(x64) with asus mb169b+, screen is always balck.

[lks21c]

Hi, I installed ubuntu 14.04.5 yesterday and

I tried followed by http://support.displaylink.com/knowl...ware-on-ubuntu and used 1.4 displaylink driver.

and I typed "lsusb -d 17e9:" after connecting usb with my dlm device, I saw the device detected.

But I could neither detect the device on display settings nor pressing the power button on the displaylink monitor.

could you help me out with that? thanks.