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External hard drive not recognised!


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#1 Bradner

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Posted 23 February 2014 - 07:46 AM

Hallo guys. I am trying to extract some files from my EHD but i cannot. I plug it into a usb port and it is not recognised. If i connect him at another usb port it recognised. There is no problem with this specific port because if something else is connected it recognised and works properly. 

When i connect the hard drive there is the connection sound and then disconnection sound. 

Can you help me?


Edited by hamluis, 23 February 2014 - 10:44 AM.
Moved from Win 7 to Internal Hardware - Hamluis.


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#2 dc3

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Posted 23 February 2014 - 01:00 PM

It could be that the USB port is shutting down after the external hdd is connected.

 

When this happens open the Device Manager and right click on top icon in the tree, this should have the name of the computer.  

 

Then choose "Scan for hardware changes", this will force the USB port to power up.

 

Scroll down to Universal Serial Bus controllers and expand the tree.

 

Scroll down to Mass Storage Device and see if there are any yellow warning icons or red error icons.


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#3 Bradner

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Posted 23 February 2014 - 06:43 PM

Please be more specific. I open device manager and then right click on the name of my pc.

I cant find anything like scan for hardware changes! 



#4 dc3

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Posted 24 February 2014 - 10:26 AM

In the picture below you will see the entire list of Device Manager icons.  The icon at the top of the list (outlined in red in the picture below) is the icon you want to right click on.

 

devicemanager_zps28ea23a7.png


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