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Bricked NanoVNA-H

 

Well, on a weird suspicion, I tried a different USB to mini-USB cable
between the computer and the NanoVNA. Suddenly, everything works. So the
trouble was a bad cable. That was the only thing I hadn't tried up till now.

Zack

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On Sat, Feb 27, 2021 at 2:14 PM James Anderson <james21170@...>
wrote:

Hi Zack.

Is there any kind of STM device listed in either Universal serial bus
controllers OR Universal serial bus devices within device manager when you
have your NanoVNA connected.

Kind regards, James
 

Some of them are for power only, for charging¡­..


From: Zack Widup<mailto:w9sz.zack@...>
Sent: Saturday, February 27, 2021 5:54 PM
To: [email protected]<mailto:[email protected]>
Subject: Re: [nanovna-users] Bricked NanoVNA-H

Well, on a weird suspicion, I tried a different USB to mini-USB cable
between the computer and the NanoVNA. Suddenly, everything works. So the
trouble was a bad cable. That was the only thing I hadn't tried up till now.

Zack

<>
Virus-free.
www.avast.com<>
<>
<#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

On Sat, Feb 27, 2021 at 2:14 PM James Anderson <james21170@...>
wrote:

Hi Zack.

Is there any kind of STM device listed in either Universal serial bus
controllers OR Universal serial bus devices within device manager when you
have your NanoVNA connected.

Kind regards, James
 

That was NOT the case here. I had used the very same cable some time ago to
reprogran the firmware to the NanoVNA several times. Now it doesn't work.
Cables go bad. At least I solved the problem.

Zack

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On Sat, Feb 27, 2021 at 5:01 PM Gene Rozea <gene_rozea@...> wrote:

Some of them are for power only, for charging¡­..


From: Zack Widup<mailto:w9sz.zack@...>
Sent: Saturday, February 27, 2021 5:54 PM
To: [email protected]<mailto:[email protected]>
Subject: Re: [nanovna-users] Bricked NanoVNA-H

Well, on a weird suspicion, I tried a different USB to mini-USB cable
between the computer and the NanoVNA. Suddenly, everything works. So the
trouble was a bad cable. That was the only thing I hadn't tried up till
now.

Zack

<

Virus-free.
www.avast.com<>
<

<#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

On Sat, Feb 27, 2021 at 2:14 PM James Anderson <james21170@...>
wrote:

Hi Zack.

Is there any kind of STM device listed in either Universal serial bus
controllers OR Universal serial bus devices within device manager when
you
have your NanoVNA connected.

Kind regards, James
 

Hi Zack, that was going to be my very next suggestion if none of the suggestions I made worked.

Great result.

Kind regards, James.
 

I had one of these cables recently and I put it in the bin because of that same scenario you had.

Regards, James.
 

I thought heat, like from a hair dryer, was the way to loosen tape like that. I know they use it for phones.
 

Was it a charge only cable or actually a BAD data cable?
 

It was a bad data cable. It was the cable that came with the NanoVNA-H4. I
have used it numerous times in the past to upgrade the firmware.

Zack

On Sun, Feb 28, 2021 at 6:58 AM <barnc4br@...> wrote:

Was it a charge only cable or actually a BAD data cable?





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