USB port wont work after installing wondows 7

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arcmokuro

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Feb 23, 2015
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Hey, so I finnaly managed to instal windows 7 and format my HDD but since, two out of my 3 usb ports wont work..

The one that works is black with a sort of "conect" symbol on top of it, the other two are blue inside and do not work anymore.
I used windows update but it wont fix, I'm guessing it could be the drivers but I cannot find wich, nor how to instal it, might be something else, but it was working fine before I reinstalled windows.
Do you know what it could be ?

Laptop is Dell vostro 3750 from 2011
 
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Techy Nicky

Techy Nicky

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Aug 14, 2014
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Go to Device Manager. The last item on the list should be USB Controllers.
Double click it and see if any of the drop down items have a "!" or are yellow or red.
This would mean there is a problem with that usb port and you could probably try right clicking on it and updating the drivers.
 
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arcmokuro

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Feb 23, 2015
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Actually non of them seem to be wrong;
Only wrong ones are Netwrok controler, SM bus controller, Unkown device; Unknown device,
Could those "unkown device be my usb ports?)

EDIT: I just went into the propterties and under detals-> value it says NUSB3\ROOT_HUB30
Could it be it ?
 
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