USB R Series Device Application Locks USB Ports

Updated Jun 14, 2018

Reported In

Hardware

  • USB-7845
  • USB-7846
  • USB-7855
  • USB-7856

Issue Details

I have an application that locks up intermittently and blocks all traffic through the USB bus. What is happening and how do I address this?

Solution

Try running program on different USB ports or another computer.
  • Check if you are connected to a USB 2.0 or 3.0 port. USB 3.0 ports could lead to unexpected behavior.
  • Try disconnecting other USB devices.
  • Ensure the USB drivers for your PC are fully updated.
  • Try disabling XHCI Pre-Boot in your BIOS settings. Not all PC's have this setting available.

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