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This is a USB problem, not a software problem.

Eduardoo,

This is a USB problem, not a software problem. The following could be the problem or like most PC's it maybe a case of everything is marginal and then it not working:

1) USB Cable
2) USB port
3) DAC USB controller

Basically what is happening is that the device is enumerating. This is the first step in any device that is connected to a computer. This tells the computer what it is and what driver to connect to and what protocols it supports. It sounds like when the driver loads it is sending or receiving information about the device and at that time the lower level USB driver (the one that talks to the hardware) is kicking this device off the active list for protocol violations or poor communications capabilities or both.

I would try other cables and other ports. NEVER use the USB ports on the front of the PC's as these are not HS capable. Always use the ones on the rear of the PC.

Thesycon has a new USB port tool on their website it maybe worth trying to look at the port and see what that says. Or use Device Manager and look at each port to see what state it is in.

Thanks
Gordon
J. Gordon Rankin


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