Could you elaborate on "always giving function error"?
Now, please install Intel® Download Center ( For Windows 8.1), cold boot and let me know how it went?
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>>Is it possible to enable bluetooth without having pin 51 taped???
>>i think ridiculous having a card that works with a pin taped...
On systems that come with 7260, Yes. On other systems, it is the OEM who prevents BT (unsupported WiFi/BT) from being detected.