Although it is not specifically made for the HP HDX 9430EF, this driver is working perfectly with windows 7 64bits edition.Note: There is no native driver from HP for this computer and Windows 7 driver link : sp48925.exe
It was quite difficult to find a driver, but finally I’ve found it! It allows your Motorola HT820 blueTooth headset to work with Win 7 X64 driver: http://www.hwdrivers.com/dl/5/002086/d_nbook/v_Acer/m_Aspire%205741G Motorola HT820 blueTooth headset quick start manual : http://www.motorola.com/mdirect/manuals/QG-HT820HdPhns.pdf
