Once the device was paired, it cannot be scanned again unless you delete it. Please follow this instruction to install it: How to install the Bluetooth Nano USB Adapter?ĥ. Please try to manually install the driver again. Or disable it in the Device Manager and enable it again.Ĥ. Please unplug the Bluetooth USB Adapter and reinsert it. Reboot the Bluetooth device and computer.ģ. Make sure your Bluetooth device is set to be discoverable.Ģ. If you're watching videos or streaming music from an ONLINE source, please make sure the audio dropout issue is not caused by slow network speed.ġ. Operation range can be affected by physical obstructions (walls, people, etc.) and wireless interference (Wi-Fi routers, Wireless TV adapters, etc.). Please test your receiving Bluetooth device with a mobile phone to confirm its range is acceptable.

The Bluetooth range depends on BOTH the receiving and the transmitting devices. If your device is having range issues when plugged into a USB 3.0 port, a USB extension cable can help with this.Ģ) Ensure the Bluetooth receiver has a good signal Because there is a lot of random radio noise generated by the processor and system parts which will cause the short-range and cut off issue.Īn Intel white paper was confirmed that poorly shielded USB 3.0 ports will cause radio interference. Please move the adapter to the front of the computers instead of the back of the computer or using a USB 2.0 extension cable to move the adapter away from the computer. lsusb -v output: Bus 001 Device 004: ID 0b05:190e ASUSTek Computer, Inc.1) Change to another USB port or use a USB extension cable Lsusb recognizes that the USB adapter exists. Running Ubuntu 20.04 with kernel release 5.13.0-28-generic. Per this question, I tried running sudo rmmod btusb and sudo modprobe btusb, but nothing changed. I tried it in Windows, and it worked fine. bluetoothctl says there is no default controller, and list prints nothing. Bluetooth Manager spins for a while but never opens. If I switch tabs and come back to bluetooth, it will be off again. It worked fine in the past, but after an update today it stopped working (admittedly, I don't know if the update caused it or not I hadn't used bluetooth in a week or two).

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