Bluetooth mouse won't connect, after turning Bluetooth off it won't turn back on

Question

Fresh install of Boot Camp on macOS Mojave with a Windows 10 ISO from the Microsoft website. I'm trying to connect my Bluetooth mouse (which works fine and connects on macOS Mojave) to Windows and it won't find the mouse.

• I have disconnected and removed the mouse from macOS.

• I have tried 'updating' my Bluetooth radio to "Apple Broadcom Built-in Bluetooth".

  • Doing this results in no Bluetooth functionality with the device showing error code 10 in Device Manager.

The current configuration for my Bluetooth settings in Device Manager is:

• Bluetooth

  • Bluetooth Radio

  • Microsoft Bluetooth Enumerator

  • Microsoft Bluetooth LE Enumerator

Now the weird thing. Whenever I go into the general Bluetooth settings to add a device, if I use the toggle to turn Bluetooth on/off, I can turn it off, but then I can't turn it back on unless I uninstall and reinstall the driver, or restart my machine.

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Windows OS

DESKTOP-4BSAGG1

• OS Name: Microsoft Windows 10 Home

• OS Version: 10.0.17134 N/A Build 17134

• OS Manufacturer: Microsoft Corporation

• OS Configuration: Standalone Workstation

• OS Build Type: Multiprocessor Free

MacBook Specs

• 13-inch Macbook Pro (w/ Touch Bar)

• Running macOS Mojave (Latest Version)

• Bootcamp v6.1

Answer 1

• create a USB drive with windows support software using Bootcamp Assistant (mac os)
• go to windows and install that support software from the USB drive
• go back to macOS
• remove ALL Bluetooth devices from mac os
• set windows as the startup drive
• restart and open windows (click mouse and keyboard when you see windows logo)
• go to Bluetooth settings and try to connect

worked for me ...for a moment...then I lost it when I set macOS as startup drive.