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External drive, 2 ports, different behavior


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#1 ray5450

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Posted 18 April 2017 - 10:12 PM

Is a 3.0 USB port backwards compatable with 2.0?

 

I have an external drive that works in one port, but not the other, and that is the only difference that I know of.

 

Thanks.



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#2 TsVk!

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Posted 18 April 2017 - 11:07 PM

Yes it is generally...

 

It may be that there are not USB3/2 drivers loaded for the other ports that you are trying to insert the device on.

 

You can open your device manager and look at USB ports (when the drive is inserted in a non working port), find the one that's not working > Right click > Properties > Update drivers



#3 ray5450

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Posted 19 April 2017 - 02:49 AM

Thanks.

 

I think this turned out to be another intermittent problem.  I tried and retried this and it repeated every time before I first posted here, and now, without explanation, it is working.  I can only hope it stays that way.



#4 TsVk!

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Posted 19 April 2017 - 02:50 AM

Glad it works for you now  :)



#5 ray5450

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Posted 19 April 2017 - 04:31 AM

Well, it worked for a few minutes, then everything about it froze up like before and the icons (2 partitions) disappear, then reappear several times and are without the bar info as if they are dismounted.  Sometimes they stay this way and I can hear the drive trying to read, but other times, they disappear completely and stay gone.  One time, I disconnected and they were still showing as attached both in Computer and Device Manager, even though it was not even connected.  If I then connected to either port, nothing happened.  I had to reboot.

Sometimes when I connect to either port, it will reassign the drive letters.

I keep saying "sometimes" because it is not consistent.  It keeps alternating between these behaviors.

It never acted like this before on either port.

What shows up in Device Manager is the external adapter.  I tried to update driver, but it says the best driver is installed.  Instead, I uninstalled it and then reinstalled it, but no change.

I have tried numerous more times and it just keeps repeating the above.

I have tested other devices on this port, and there is no problem.
 


Edited by ray5450, 19 April 2017 - 04:32 AM.


#6 TsVk!

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Posted 19 April 2017 - 04:57 AM

That's concerning.

 

Try uninstalling the usb ports in the device manager, restart the machine.

 

Work better now?



#7 ray5450

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Posted 19 April 2017 - 05:42 AM

Do you mean all of the entries under "Universal Serial Bus Controllers"?



#8 TsVk!

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Posted 19 April 2017 - 08:35 AM

yeah, Windows will reinstall them when you restart.

 

Just make sure your power button is set to power off the machine.



#9 ray5450

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Posted 19 April 2017 - 09:35 AM

I knew it was going to work by the question you asked, lol.  Thanks.

 

I think I remember trying something like that a long time ago with a USB printer that was not behaving.  It worked for this disk issue so I'll put it in my notes.


Edited by ray5450, 19 April 2017 - 09:36 AM.


#10 TsVk!

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Posted 19 April 2017 - 04:17 PM

Great stuff :thumbup2:



#11 ray5450

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Posted 19 April 2017 - 06:57 PM

When I connected the drive today, the icons started flip flopping around again, and if I try to copy or paste something to/from it, it freezes up.  Sometimes it says I/O error.  The drive constantly makes a slight clicking noise during and after this, like it did before. 

 

If I use the other port it all goes away and works fine. 

 

I also tried a different drive and it behaves even worse.

 

I tried the same drive in a different drive adapter and that works also.  (However, I don't like using it too much because it is an older one and sometimes the end toward the drive comes loose.)

 

It seems to be something with the specific adapter with the specific port.


Edited by ray5450, 19 April 2017 - 07:10 PM.


#12 TsVk!

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Posted 19 April 2017 - 07:06 PM

If I was you I would discontinue to try and use the drive on the ports where it does not function correctly. It could be damaging the drive and the file structure.

 

I'm not sure what's happening though... computers can be funny machines with hidden problems that are difficult to define. This could be as simple as a loose wire inside the computer itself, or something else.

 

Wish I could be of more help.



#13 ray5450

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Posted 19 April 2017 - 07:16 PM

It's been working fine for months.

 

The port that works is on the edge of my workspace and falls off.  That is why I need it on the other side.

 

Yes, I understand what you are saying.  I wondered that also if it might damage the drive.  Thanks, for your effort.  If you think of something to try sometime, let me know.

 

Oh, do you know if there is a way to lock drive letter assignments so that Windows cannot change them?


Edited by ray5450, 19 April 2017 - 07:19 PM.


#14 TsVk!

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Posted 19 April 2017 - 07:30 PM

Maybe open up the tower and reseat the USB cable connections. (unplug them, and then replug firmly) That may work.

 

Failing that you could get a longer cable for the drive also.

 

There's a mob of stuff on Google about permanently assigning drive letters, I've never done it though.

 

I'm kinda out of ideas on this one mate. Maybe someone else has encountered it.



#15 ray5450

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Posted 19 April 2017 - 07:51 PM

I believe these are soldered in.

 

I found that Computer Management/Disk Management procedure given to "permanently" assign drives is not permanent.  I've been doing that repeatedly, and Windows keeps changing them.

 

Thanks, again for the information.


Edited by ray5450, 19 April 2017 - 07:55 PM.





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