: Restart your computer to complete the installation and allow Windows to initialize the new driver.
Are you currently seeing an error in your Device Manager, or is the Bluetooth toggle missing from your settings? Atheros Bluetooth Driver for Windows 10 (64-bit) - Desktop Bluetooth Module Atheros Ar5bbu12 Driver
After reboot, check Device Manager. The yellow triangle should be gone. Under , you should see: : Restart your computer to complete the installation