[Elecraft] COM port problems

[Fred Jensen]

Thank you Mitch!!  The procedure I have been using and wrote about seems 
to work roughly 50% of the time.  Now I think I know why [:=)

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

Mitch Wolfson wrote on 7/1/2022 9:23 PM:
> Peter,
>
> Skip is on to what you need to do, but that method won't show
> everything. What you need to do is the following:
>
> - Open up a DOS command window by clicking on the start button, then on
> "run" and enter "cmd" and hit the enter button
> - Copy and paste the following into the command line:  set
> devmgr_show_nonpresent_devices=1
> - Then copy and paste the following, or manually start Device Manager
> like Skip says:  \windows\system32\devmgmt.msc
> - Now go to the view menu and click on show hidden devices and you will
> see everything that you ever installed
> - Now you can delete everything that is in conflict and follow Skip's
> instructions
>
> I also have a nifty script that nukes all installed COM port drivers at
> once as a worst case scenario. If you need that, send me a direct mail.
> I don't read these postings all the time.
>
> 73,
> Mitch  DJ0QN / K7DX
>
> -- 
> Mitch Wolfson DJ0QN / K7DX
> 1494 Serrano Cir, Naples, FL 34105
> USA: Home: +1-239-221-9600 - Mobile: +1-424-288-9171
> Germany: Home: +49 89 32152700 - Mobile/WhatsApp: +49 172 8374436
>
> On 01.07.2022 19:07, Fred Jensen wrote:
>> Peter:
>>
>> 1.  Open Control Panel and click on Hardware/Sound-->Device
>> Mangler-->Ports
>>
>> 2.  In the View menu, click on Show Hidden Devices
>>
>> If there are any, they will appear in the Ports display but grayed
>> out.  Delete them, close everything, reboot, and try again. Windows
>> will occasionally, and without notice, leave a previous device
>> enumerated even after it is removed.  It shows up as unavailable, or
>> in-use to a real device.
>>
>> May not be your problem, but an easy fix.  Best to remove all USB
>> cables before the reboot, then insert them one at a time while
>> watching the Ports display
>>
>>
>> 73,
>>
>> Fred ["Skip"] K6DGW #142
>> Sparks NV DM09dn
>> Washoe County
>>
>> Peter Dougherty (W2IRT) wrote on 7/1/2022 3:17 PM:
>>> The issue is far deeper than this. None of the COM ports work
>>> normally after
>>> starting the system. Occasionally the radio connects to the software
>>> normally, other times it doesn't. If I have it working with N1MM,
>>> close down
>>> N1MM and try to start Commander (DX Labs) it won't work initially,
>>> but if I
>>> try it 3 or 4 times in a row it will connect normally.
>>>
>>> Ditto with my two rotors. Those are the only serial ports in my
>>> system. The
>>> K3s, my 6m rotor (Rotor-EZ board in the controller box) and a Green
>>> Heron
>>> RT-20 (serial-to-USB, not pure USB like the newer RT-21). For whatever
>>> reason, there is *something* holding all the installed/configured COM
>>> ports
>>> open and unavailable. I cannot find that "something."
>>>
>>>   - pjd
>>>
>>>
>>
>>
>>
>



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