I've also found that if you use a USB to serial dongle, that a system
reboot helps (at least in Windows, all versions, which you did by
changing the OS). It seems that sometimes the device driver (even for a
real serial port sometimes) goes wonky when the app fails to load the
firmware to the K3. I suspect it hangs because the data isn't being
purged properly on a fail to send. The reboot 'cleans' the driver so a
subsequent retry often works.
Happy New Year!
Rick wa6nhc
On 12/26/2014 4:19 PM, Hisashi T Fujinaka wrote:
That fixed things. The Help had more info and a different reset
procedure than in Fred's book: holding down power for 10 seconds. That
and a different laptop seem to have let me reload the beta firmware.
On Fri, 26 Dec 2014, Dick Dievendorff wrote:
K3 Utility Help, Trouble shooting MCU Load Failure covers this.
Dick
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