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How to get Multi Channel USB Audio Drivers and full factory reset to work for UI24R

Dear Forum.

Recently the Multi Channel USB Audio Drivers for my UI24R
has stopped working with Windows 10.

I have uninstalled and reinstalled the Multi Channel
USB Audio Drivers, but it has made no difference.

The Windows Device Manager shows the following error for the
Soundcraft MADI-USB Combo card:

This device cannot start. (Code 10)

{Operation Failed}
The requested operation was unsuccessful.

On a single occasion I have also received the following
message in a Windows popup window:

USB device not recognized
The last USB device you connected to this computer
malfunctioned and Windows does not recognize it.

Try reconnecting the device. If Windows still does not
recognize it, your device may not be working properly.

I have also tried to make a full factory reset of the UI24R
by using the official description from the manual section
3.0.2 and the descriptions from

(Borja's post from October 2020 and HARMAN_Tder's post from
March 2021)

but neither seems to work. When running any of these full
factory resets only the network settings, the shows, the
WIFI, admin and access passwords are cleared/reset, but the
firmware version is left untouched.

Finally I can tell that when you connect a USB device to a
Linux computer you will usually see it listed in the output
of the lsusb command, but I see no output for the UI24R
when I connect it to a Linux computer via USB.

So I suspect there is a software problem somewhere in the

I will apprediate if anybody can give me a clue to how to

1) get the Multi Channel USB Audio Drivers to work again
2) get the full factory reset procedure to reset the
firmware to the inital version

My UI24R is running firmware v3.1.8273-ui24.
The Multi-Channel USB Audio drivers are v3.20.0.

Kind regards


  • bassman59bassman59 Posts: 6

    Hi Ib-Michael,
    Not an expert by any means but did you update the firmware? Its available here:

    I think you stick it on a flash and it recognises it when you plug it into the USB and does the rest itself.


  • immimm Posts: 2

    Hi Ed.
    Thank you for the reply.

    Yes, I did upgrade the firmware to v3.3-8293-ui24. Unfortunately it does not make the UI24R recognizable from neither a Linux nor a Windows computer, so it is still impossible to use the UI24R as a USB interface from Windows 10 :-(

    Also, if I try to make a factory reset, the firmware is only dowgraded to v3.3-8273-ui24. It is my understanding that the firmware should be reset to the version, which was installed, when I bought it (version 1.something), but this does not happen.

    If I try to "upgrade" to e.g. v1.0.6987, I get the message:

    1.0.6987 version of firmware is not supported.
    Minimum version supported is 3.1.8266.

    which I do not have a copy of. So it seems I can no longer downgrade to the initial factory supplied firmware version. And maybe even that would not help me to activate the sound drivers in Windows. So right now the usability of the UI24R is severely limited. I will probably have to get in contact with the Soundcraft Support.

    Best regards

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