Windows 10 1909 Broke My Bluetooth

[Batuhan ALPEREN]

Yesterday I moved from Windows 10 1903 to Windows 10 1909 by deleting everything on the hard drive. My Bluetooth headset, which was working properly before the format process, was no longer detected. I tried connecting again after making sure I had installed all the drivers and made all the Windows updates, but the result didn't change.

I have erased and reinstalled the drivers for my wireless adapter from the device manager maybe 50 times, and finally managed to connect to my headset. After using it for 5-6 hours, I turned off the computer, and when I turned it back on, it didn't detect my headset. In the same way, I erased the driver and reinstalled it repeatedly, but this time it did not work. These are the solutions I've tried:

1. I ran the "sfc / scannow" command. I did 100% scan and couldn't find anything.
2. I uninstalled and reinstalled all drivers, including the audio driver.
3. I updated all drivers with IOBIT Driver Booster.
4. I installed the drivers that I downloaded from the official site of my computer.
5. I shut down and restart all of the Bluetooth-related services from the "Services" section of Windows.

None of the above solve my problem.

My Bluetooth adapter: Qualcomm Atheros AR3012 Bluetooth 4.0,

My Bluetooth headset: Xiaomi Airdots Earbuds TWS Bluetooth 5.0 Headset (works on my phone. So there's nothing wrong with the headset)

I know that Wi-Fi and Bluetooth work on the same adapter. Wi-Fi is working fine. I've been trying to solve this problem for two days. Please help me.

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