Tnx Lyle, I am back in business by turning off the port and turning the port back on in the K3 Utility. 73, N2TK, Tony
-----Original Message----- From: Elecraft [mailto:[email protected]] On Behalf Of Lyle Johnson Sent: Saturday, January 28, 2017 2:25 PM To: [email protected] Subject: Re: [Elecraft] K3 - stuck at MCU LD we upgrading software You may need to use the RS232 adapter cable in this case. Lyle KK7P > Tony, > > The usual reason for that is a glitch in the computer. The fact that > the USB port is no longer detected points more to the computer than > the K3. > > Re-boot the computer, and see if it detects the USB adapter - that has > to happen first. Even if the USB port is internal to a K3S, the same > thing applies, you must get the computer to recognize the USB adapter > and assign a COM port to it. If the port is internal to the K3S, > power cycling may help as well. > > Then follow the instructions to "Force a firmware load" in either the > manual or in the K3 Utility Help file. > > 73, > Don W3FPR > > On 1/28/2017 12:27 PM, N2TK, Tony wrote: >> >> Upgraded firmware from 5.54 to 5.56. The one K3 did it fine. The >> second K3 is hung up with the TX light flashing and the screen says >> "MCU LD". >> >> And the USB port is no longer detected. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
