Timeout occurred while waiting for the EHCI host controller

  1. Posts : 4
    Windows 10 Pro

    Timeout occurred while waiting for the EHCI host controller

    I'm new to this website and am hopeful that I can find a way to avoid needing to take my PC into a shop for repairs.

    Several weeks ago now the USB ports in the back of my Windows 10 Pro Version 1903 PC started failing. I would get error messages that said "the last USB device you connected to this computer malfunctioned and Windows does not recognize it." Plugged into the four USB ports in the back of my PC are a printer, scanner, and two external hard drives, and these have all been plugged in now for years with no issues. The remaining USB ports, on the front and top of my PC continue to work. The failures vary on when they happen. Sometimes my computer can be on for hours and it will happen, other times the computer will be on shortly and it will happen.

    When I reboot my computer, everything works again, and even documents that I sent to the PC when the USB failed earlier, will not print.

    I have tried updating the drivers as well as uninstalling and the problem remains. I seem to think its some type of software issue that when some process on my PC runs it causes the error.

    I'm no expert with the computer, but I was able to view the error logs which read:

    A timeout occurred while waiting for the EHCI host controller Asynchronous Schedule to transition to the enabled state.

    Timeout occurred while waiting for the EHCI host controller-capture.jpg

    In one of the USB 3 ports on the top of my PC I have plugged in the WiFi plug for my wireless mouse and keyboard, but these don't seem to have been an issue. But I'm not sure.

    Can someone please let me know what I should do? Any help for this novice is so greatly appreciated.
      My Computer

  2. Posts : 8,701
    Mac OS Catalina

    Try installing the previous version of USB driver.
      My Computer


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