unfortunately Bluetooth connectivity does not work for my 8260 NGFF card. WiFi is fine. For mPCI cards there existed the infamous "pin 51 tape" hack, is there something equivalent for NGFF m2 cards?
In this case, we advise you to contact the http://www.intel.com/content/www/us/en/support/topics/OEMs.html Computer Manufacturer Support and check if your computer is compatible with the Intel® Dual Band Wireless-AC 8260, or what may be required to make it work. Intel does not recommend end users install or upgrade the various Intel® Wireless Adapters.
Using an adapter that is not supported by the PC may lead to errors, system damage, or it may even be illegal. Please review the following documents for more information:
http://www.intel.com/content/www/us/en/support/network-and-i-o/wireless-networking/000005846.html Why Doesn't My Laptop Recognize My New Intel® Wireless Adapter?
http://www.intel.com/content/www/us/en/support/network-and-i-o/wireless-networking/000005687.html Regulatory Information Regarding Hardware Installation or Upgrade
We know some users were able to integrate unsupported adapters to their PC's and even taped some pins to make it work; however, we do not support this type of fix and we are not aware of similar fixes for M.2 adapters.
In our best effort, we recommend to make sure the computer BIOS is up to date, confirm that the M.2 slot is enable for USB host interface. You may need to engage the computer manufacturer for details about this for your PC.
Also, you can download the latest version for Intel® Wireless Bluetooth® Software for Windows® according to your OS version: https://downloadcenter.intel.com/product/86068/Intel-Dual-Band-Wireless-AC-8260 Downloads for Intel® Dual Band Wireless-AC 8260