Why my Bluetooth port don't work
When I plug my phone in to my speakers it doesn't work.
Determine which pairing process your device employs
Turn on discoverable mode
Make sure the two devices are in close enough proximity to one another.
Power the devices off and back on
Power down likely interferes
Charge up both devices you're trying to pair
Delete a device from a phone and rediscover it.
Get away from the Wi-Fi router.
Move away from a USB 3.0 port
Make sure the devices you want to pair are designed to connect with each other
Update the hardware’s firmware
Limit data shared between devices.