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Question: My USB Channel or other USB hardware is not recognized, what should I do?
Answer: Link: please follow the steps at this link
In case one or more USB channels or other hardware are not recognized by the compputer and on the mixing consoles the USB input leds are not lighting.
First be sure that your USB cable has a maximum length of 1,8 meters (5,9 ft).
Then you can try the following procedure
* Disconnect your Airence from the PC. (USB Cable) * Download USB Deview and run it. http://www.nirsoft.net/utils/usb_devices_view.html * Remove all devices with the name “USB AUDIO CODEC” in it with the trashcan. * Connect your Airence with the standard USB cable. * Now, wait patiently till Windows will recognize all the USB codes again. * You should see all the usb audio codecs come up in usb deview again. * If everything went fine all the four LEDs should be turned on. If not, something went wrong. * Close USB Deview
If this does not work, please consult the factory.