[Elecraft] [Elecraft-K3] K3s won't connect to PC

[KE8G]

Well, I have done all the suggested tests and configurations.  The K3s USB
to PC connection is just not making it.  The only COM ports showing up in
the Device Manager are all accounted for and no new ones are present.  I
have tried different USB ports on the PC and different USB cables; all
resulting in a message telling me the PC doesn't recognized the K3s as a
USB device.

I have removed the K3s USB to PC wire and am now using a KUSB via RS232 to
the K3s and it is functioning perfectly.  I have N1mm+ working & the
Winkeyer working with this setup with no problems.

I truly believe I'll be sending the K3s to Elecraft for repairs.  I will
call them on Monday.

73 de Jim - KE8G

On Sat, Mar 23, 2019 at 12:37 PM <tony.kaz at verizon.net> wrote:

> Don,
> Using the K3 Utility is good advice.
> Yesterday for some reason when I had updated WIN10, the one port changed
> numbers. And of all the ports I use for both K3's and all the programs and
> hardware, that was the only one that changed from 16 to 12. Go figure. Went
> into Device Manager and changed the port number back to what it was. Weird.
> 73,
> N2TK, Tony
>
> -----Original Message-----
> From: Elecraft-K3 at groups.io <Elecraft-K3 at groups.io> On Behalf Of Don
> Wilhelm
> Sent: Friday, March 22, 2019 11:05 PM
> To: KE8G <ke8g.jim at gmail.com>; Elecraft <Elecraft at mailman.qth.net>;
> Elecraft-K3 at groups.io
> Subject: Re: [Elecraft-K3] [Elecraft] K3s won't connect to PC
>
> Jim,
>
> It sounds to me like your computer has corrupted driver files - maybe
> caused by some glitch in the computer or its power.
> Download and install the FTDI drivers.
>
> Then disconnect (not just power them down) the WinKeyer and all other
> other gear.  See if you can connect using K3 Utility.  If so, start adding
> back your other gear one at a time and see when it fails.
>
> If K3 Utility fails to connect, then an email to support at elecraft.com is
> in order.
>
> 73,
> Don W3FPR
>
> On 3/22/2019 8:15 PM, KE8G wrote:
> > Hi All,
> > Strange thing!  I was working a DX station and my PC locked up, and
> > kept sending my call sign.  The only way to stop the RF was to turn
> > the rig off.  I let it sit for a minute or two, then turned it back
> > on.  The LCD screen flashed a ERR PTT.  I disconnected the WinKeyer
> > and plugged it back in and was able to work the station with the
> > paddles, rather than N1MM+
> >
> > Now, I can't get the K3s to connect to the PC (Win7 Pro 64bit).  It
> > shows as a unrecognized USB device in the Device Manager.
> >
> > I have shut everything down, PC, K3s, WinKeyer and removed power from
> > all and let it sit for awhile.  The PC starts fine, the K3s starts up
> > fine (no ERR messages) and works well, the Winkeyer works fine.
> >
> > I know the K3s was communicating with the PC earlier, as I was using
> > the K3 utility to set roofing filters I just installed in the sub
> receiver.
>
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