[Elecraft] KIO3B usb com port not communicating

[Nr4c]

On a Windows computer the USB com port will be something other than “1”. 

Sent from my iPhone
...nr4c. bill


> On Jul 18, 2019, at 10:03 AM, Rajiv Dewan <rdewan1 at rochester.rr.com> wrote:
> 
> Hello,
> 
>  I have KIO3B (USB interface) in my K3.  It was working well. Single USB for audio, and CAT.
> 
> Suddenly, now the CAT part is not working.  Here are some aspects:
> * RS232 in K3/Config shows USB
> * Serial port 1 shows up in device manager on the windows computer when the USB is plugged in.  The sound codecs are working.
> * Nothing communicates with the K3 CAT any more (K3 utility, and logging programs do not see the K3 on the com1.)
> * I tried it on a new laptop with a fresh USB cable.  Exactly the same issue.
> 
> Any help appreciated.
> 
> Raj, N2RD
> K3 sn 170
> 
> --
> Raj Dewan, N2RD
> rdewan1 at rochester.rr.com
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