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The original was posted on /r/nexdock by /u/452point6 on 2023-05-16 00:31:39+00:00.

Have an Intel Nuc8 connected to a Samsung Smart TV. Thought about using the NexDock as a second display. HDMI connect works perfectly.

But I thought it might be worthwhile to have touch input and so I connected the ND via the smartphone connection usb port to my thunderbolt 3 port. The picture is fine, the desktops extend to both monitors, but no matter what I do there is a persistent (infuriating) stutter in the system every 2-3 seconds that interrupts mouse movement, frames and the appearance of characters on screen when typing. If I connect only the NexDock the stutter persists, if I return to the Smart TV alone it goes away.

Any ideas? Tried playing with the screen refresh rates, starting in safe mode. I’m using the NexDock smartphone cable to connect to Thunderbolt, can’t see how the cable is the problem.