OK, this is what I would try. First, go to Device Manager and select one of the bluetooth devices and go to properties and update driver. If you have allowed to check the net, then this time have it look in your computer. The next screen may say my driver is not shown (if it isn't), the select let me find it.
You will probably see a screen asking to select a type of device, which would be bluetooth. The next screen should have manufacturers on one side and devices on the other . First click the update button on the bottom and after it updates, which might take a while, look for the HP entry, and there may be more than one. Then in the right side, choose a device that you think matches your device. Select and attempt an install. If it...