Hello,
Thank you for reaching out to the Microsoft Community and I'll be glad to assist you today.
I understand that you are experiencing issues with Bluetooth connectivity on your Windows 10 PC. Based on your description and the methods you've tried, the problem might be related to your Bluetooth drivers. To better assist you, could you please provide the following information:
- Type msinfo in the search bar on the taskbar and click enter.
Post a screenshot of the System Information dialog box in your next reply.
Meanwhile, try re-installing the Bluetooth adapter and check if it helps.
- Open the Device Manager.
- Expand the arrow next to Bluetooth.
- Right-click your generic Bluetooth adapter (usually Intel (R) or Realtek), select Uninstall device, select the Attempt to remove the driver for this device check box, and then select Uninstall.
- Once uninstalled, restart your PC.
See if the Bluetooth toggle is back again on the Windows system settings after the system reset.
I hope this information helps. If you have any questions, please let me know and I will be happy to help you further.
Best regards,
Gunasekar N