Many USB>Serial cables contain counterfeit chips. The legitimate makers fought back by installing driver instructions that disable the counterfeit. Maybe your update finally caught up. The Elecraft cables are legitimate. Don't buy cheap knock-offs from the Internet.

k4ia, Buck
K3# 101
Honor Roll  8B DXCC
EasyWayHamBooks.com

On 8/5/2019 9:49 AM, Gary Tuck via Elecraft wrote:
The culprit was the serial/USB cable.  Got a new one from Elecraft and all is 
well.

Thank you all.

73,
Gary W7TEA


On Jul 16, 2019, at 1:17 PM, Gary Tuck <[email protected]> wrote:

For the first time I am having difficulties communicating with my K3/P3.  The 
only thing which has changed is an upgrade to the Mac OS.  Now running 10.14.5 
Mohave.  I reinstalled the FTD driver for the serial cable, tried both my iMac 
and MacBook and neither finds the P3 responding. I have not been on the air for 
several months so I am not sure when the issue arose.

Has any had similar experiences and solved them?

73,
Gary W7TEA

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