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[Q] Unknows USB Device

OP XeNNz

9th April 2014, 09:00 AM   |  #1  
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Hi guys ,again.

I have a problem with my drivers I think. I have windows 8.1 x64 | EVO 3D | ROOTED 4.0.3 ICS | HBoot 1.53.007 |

When I connect my phone normally in pc it work . I mean I can copy from sd card to pc and pc to sd BUT when I put my phone in FASTBOOT mode USB Device NOT recognized.

I tried on other PC with Win8.1 x64 and doesn't worked
I tried on other PC with Win7 x64 and it worked. (Samsung cable)

Did u know a solution for for win 8.1?


I tried to install HTC sync and uninstall.
I tried with HTC USB Cable and a Universal USB Cable.
I tried to connect in Back and Front USB ports.
Same USB device NOT RECOGNIZED.

Thank You !
11th April 2014, 12:53 PM   |  #2  
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uninstall drivers / htc sync etc.
then get the latest drivers from here

or try these
Last edited by EM|NEM; 11th April 2014 at 01:02 PM.
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11th April 2014, 05:36 PM   |  #3  
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Quote:
Originally Posted by EM|NEM

uninstall drivers / htc sync etc.
then get the latest drivers from here

or try these

Ty for reply
I tried but nothing happend...still USB device NOT RECOGNIZED in fastboot mode -.-
11th April 2014, 05:49 PM   |  #4  
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it might be a windows problem but there was a fix introduced in an update. are you sure you are running updated version of windows 8.1?
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12th April 2014, 04:29 PM   |  #5  
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Quote:
Originally Posted by EM|NEM

it might be a windows problem but there was a fix introduced in an update. are you sure you are running updated version of windows 8.1?

Yes , is updated.
12th April 2014, 06:31 PM   |  #6  
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I'm running out of ideas. you can try this: http://forum.xda-developers.com/show....php?t=2596698
or this: http://forum.xda-developers.com/show....php?t=2598155
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15th April 2014, 03:03 PM   |  #7  
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Quote:
Originally Posted by EM|NEM

I'm running out of ideas. you can try this: http://forum.xda-developers.com/show....php?t=2596698
or this: http://forum.xda-developers.com/show....php?t=2598155

Thank you !! Second method worked .

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