Thanks James.
I did but same somewhat unpredictable issue. After reboot 2.0 works for 30 minutes before monitors are dropped (device mgr screen shot uploaded).
Switching to 3.0 hub have to use a wired mouse in the 2.0 hub - my scanner & disk drive peripherals drop and reload intermittently - monitors may drop then have to reboot and start all over.
Again, the only change i recall was the Windows 8.1 OS update over a week ago and it's been problems ever since.
Would the alpha version of the Displaylink software be worth trying?
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