[Elecraft] KX3 not responding

[Rick WA6NHC]

In some cases, a complete power off, power supply disconnected (desktop, 
battery pulled for laptop) is needed.  Sometimes components 'stick' and 
the only way to clear them is a complete cold hard reboot.

It's also not just USB dongles, sometimes the same thing happens on real 
serial ports.

Rick wa6nhc/7
Now from North Idaho!


On 5/20/2017 4:17 PM, Don Wilhelm wrote:
> Frank,
>
> The USB to serial port may have changed (computer problem).
> Remove the USB end of the KXUSB and reboot the computer.  When the 
> computer boot process has finished, plug in the USB connector and see 
> which COM port is assigned to it.
> If you cannot tell, open Device Manager - then remove the USB cable 
> again - which COM port goes away?  The plug it back in and see which 
> COM port is assigned.
> Use that COM port number in KX3 Utility and it should recognize the KX3.
>
> Most problem of this nature are due to the computer, and not the radio.
>
> If that does not solve the problem, then look in the manual or the KX3 
> Utility Help file for "Forcing a Firmware Load" - try those steps, 
> reload the firmware and all should be well.
>
> 73,
> Don W3FPR
>
> On 5/20/2017 6:59 PM, kg9hfrank at gmail.com wrote:
>> Folks, I just updated my firmware on my KX3 all went well.
>> I removed the Elecraft cable and then a few minutes later I 
>> reconnected the cable back to the radio.
>> Now I when I start the Elecraft KX3 Utility and “test the 
>> communications” button, It says KX3 not responding.
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