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UR-C: audio interface connects in High-Speed (USB 2.0) mode only

Problem

A UR-C audio interface (UR22C, UR44C, UR816C) connected to a Type-A port is working in 'High-Speed (USB 2.0)' mode only, even though the Yamaha Steinberg USB Driver control panel shows that 'USB Mode' is set to 'SuperSpeed (USB 3.1 Gen 1)'. 

ur-c-control-panel-high-speed-win.png
control panel on Windows


ur-c-control-panel-high-speed-mac.png
control panel on macOS 


Background

Due to the physical design of USB 3.0 Type-A ports it can happen that an electrical connection for USB 2.0 is established when a powered USB 3.0 device is being connected. 

Solutions

  • Switch off your audio interface before connecting it with your computer.
  • Connect the USB cable to the computer first. Only afterwards, connect the other end of the cable to your audio interface.
  • Use an USB-C cable, if possible.

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