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    Bluetooth not detected AC 7260 for Desktop (Device Descriptor Request Failed)




      I just purchased the Dual Band WIreless AC-7260 kit for desktop and have connected it on PCI-E on my Asrock Z77 Exterme4 motherboard. The WiFi started working immediately and performs great but I have not had luck getting the bluetooth module detected. I have connected the extra cable from the card to the board in the bottom row of a USB 2.0 header making sure that the empty pin is not used and have tried connecting it on the top row as well and neither are detected. I have tried installing the driver BT_3.1.1309_e64 on Windows 8.1 x64.


      Under device manager the I see the message Unknown USB Device (device Descriptor Request Failed). Can anyone suggest what I could try to get bluetooth running?


      Thank you

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