Re: Device Enumeration Failure

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On Mon, 14 May 2012, Gerhard Thomas wrote:

> I did the procedure described below. Attached you will find the output. 
> I did it twice.
> 
> On another occasion while doing the monitoring I touched the screen to 
> see if it generates any output but there was nothing.

The usbmon trace confirms the result.  The touchscreen has disconnected 
itself electronically from the USB bus.

This isn't a USB problem; in fact, there's no way to communicate with 
the touchscreen over USB.  You have to find a different way of telling 
it to turn on its USB connection.

Maybe there's a BIOS setting or some other program you can use.

Alan Stern

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