PCI USB 3.0 Express card does not work

Discription of the system:

  • HP Pavilion Elite HPE-520nl desktop PC
  • Processor Intel Core i7 - 2600
  • Memory 6 GB
  • Windows 7 Ultimate 64 bit
  • Service Pack 1
  • The map of USB 3.0 pci card the "HP-lable" is printed. Therefore an alaaa by HP original card.

My HD portabale with USB3.0 interface is not recognized. Also all USB 2.0 memory sticks are NOT regonised by this card pci of USB 3.0.

I searched on the web, this forum ect. and posible all software and drivers updated.

Now at least there's no sign of escalmation in the Windows Device Manager.

There are no errors in Windows and by double clicking on each and evry device a puppy window says: "device is functioning! (But when I put in a usb in the port USB3 device, nothing happens, not even a new drive appears under 'Computer'.)

OK maybe the card is the default, so I bought at a local PC store a new one (Konig CMP-PCIE2USB3), but same problem.

Well maybe the PCI slot is the problem... I put the card HP in the free location. But still no luck.

Now I have 2 PCI USB 3.0 Express card in my office, but no USB 3.0 for my USB 3.0 devices connection.

All USB 2.0 ports are working well.

Help, please.


I uninstall the original card and don't forget to remove the driver. Then install the Konig CMP-PCIE2USB3 and install the driver from the Web site. Don't forget to attach the molex 4 pin of your power supply.

Tags: HP Desktops

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