The bluetooth adapter could be failing have you tried drivers for windows 7, 8 81 maybe windows 10 version of the driver causing the issue. Bluetooth windows 10 kod 43. I have and hp laptop running windows 10 64-bit this week i have discovered both bluetooth and sd card reader were not working and had code 45 when i checked in device manager tried various things, updating drivers etc and was getting.
bluetooth windows 10 kod 43
