1, confirm that the volume of Xiaomi 12 is adjusted to the maximum.

2. Check whether the equipment is connected correctly, and try to connect the barracuda with other equipment, but there is still no sound, indicating the problem of barracuda.

3. Confirm whether Xiaomi 12 audio devices such as speakers and headphones are connected correctly.

4. Check whether the driver of barracuda is installed correctly.

5. Try to use the system volume adjustment tool to adjust the system volume to ensure that the volume of Xiaomi 12 is adjusted to the maximum.

6. Update the audio driver of Xiaomi 12 as much as possible to ensure the compatibility between barracuda and Xiaomi 12.