Run the troubleshooter Per Get Help If the Bluetooth troubleshooter Per Get Help app is unable to resolve your issue or if you are using an older version of Windows or a Variabile device, please follow the below troubleshooting steps.: : 可以拿來練紫卡的，所以如果你有一張喜歡的紫卡，查一下對應的藍卡，藍卡可先不�