Bluetooth Device Won't Connect or Pair
Remove and reconnect the device
Navigate to:
Settings > Bluetooth & devices
Remove the affected Bluetooth device and pair it again.
Make sure pairing mode is enabled
Many Bluetooth devices must manually be placed into pairing mode before Windows can detect them.
Check the manufacturer's instructions for your device.
Restart Bluetooth
Turn Bluetooth off, wait several seconds, and turn it back on.
Check battery level
Low battery levels can cause Bluetooth pairing and connection problems.
Update Bluetooth drivers
Install the newest Bluetooth driver from your PC, motherboard, or wireless adapter manufacturer.
Remove old Bluetooth devices
Removing unused Bluetooth devices can help resolve connection conflicts.