Thanks Dick,

That's the first thing I did Dick but nothing on the Windows Device Manager changes and there is no notification sound that you usually get when unplugging/plugging a device into a USB port. I wonder if the USB port in the KPA-1500 is dead.

I reinstalled the FTDI driver, no help.

I uninstalled/reinstalled the KPA-1500 Utility, no help.

The KPA-1500 Manual under Troubleshooting suggests the Windows Device Manager, unplugging/plugging the USB cable method to locate the proper com port.

I've run out of talent...hi!  I'll send a note to Elecraft Support.

Thanks for the note, Ed




On 4/1/2018 14:04, Dick Dievendorff wrote:
I’d suggest using the Windows Device Manager to view COM ports, see what COMn 
gets added when you unplug and plug in the USB cable from the amp.  If none 
change, it might be a device driver needed. Usually Windows finds this driver 
automatically if needed, but sometimes you need to reinstall the driver. There 
is a link to the FTDI driver website on the page for KPA1500 Utility. There may 
be advice in the KPA1500 utility help text under troubleshooting.

The USB port is used for factory burn in software, so it was working at least 
at that time.

If you can’t get it quickly, contact Elecraft support, they probably have a 
better checklist than I do.

73 de Dick, K6KR

On Apr 1, 2018, at 11:43, Ed Gilliland <[email protected]> wrote:

I received my KPA-1500 s/n 56 last Friday and have it on the air.  All is well 
with the exception of not being able to use the KPA-1500 Utility.  I do not get 
a notification sound from the computer when I plug the USB cable into the 
computer.  I've reset the KPA-1500, tried different USB ports, no success.  Any 
suggestions appreciated.

Thanks, Ed W5TM

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