The Xbox button on your controller blinks slowly and is unresponsive when using Bluetooth. Solution 1: Check that Bluetooth is enabled on your PC. On your PC, select the Start button, and then select Settings > Devices > Bluetooth. If Bluetooth is not enabled, turn it on so your PC can discover Bluetooth devices.Can I connect my Xbox One controller to my PC via Bluetooth?
You can connect your controller to a Windows PC by using a USB cable, the Xbox Wireless Adapter for Windows, or over Bluetooth. Some PCs also come with Xbox Wireless built in, so you can connect a controller directly without an adapter.