A720 cannot detect bluetooth (Windows 8 and Windows 8.1)

I have a 2012 Lenovo A720 which I have upgraded to the latest Windows 8.1 Update. I am unable to see bluetooth icon in the system tray or device manager.
I see the bluetooth light lit on the front of the screen but I suspect that does not have anything to do with bluetooth actually working because when I try to detect the PC using bluetooth on my other devices, I can't even find the PC.
I have installed the latest driver from Lenovo support site which simply repaired the Lenovo Bluetooth software but I am unable to activate bluetooth even by force.
Any ideas?

Hi There.
Did you have any answer for your issue?
I have the same exact issue here. A720 lenovo with Windows 8.1
I tried to install the drivers for 8.1 from their support. Nothing is working.
Did you finally managed to have it working on yours ?
Thanks for sharing if you found a way.
Cheers.

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