1. Check to see if the wire at the back is loose. Pull out the connector and plug it in again. Turn on the sound and listen to the sound. Try to see where the connector is placed without any noise! ??It may be that the wire has been kicked or kicked. I tripped, it was caused by a loose interface.

2. Is there any interference near the speaker, and are there any electrical appliances or mobile phones that are not usually placed? Just take them away

3. Before the noise occurred, did you turn up the sound very loudly and listen to music? If so, it may be a problem with the speakers

Use headphones to listen to see if there is any problem. If not, it is a problem with the sound, otherwise the computer's main sound card There is a problem

The situation you are talking about should be caused by a problem with your audio input jack. The input jack is connected empty, causing the connection line signal to have no loop, turning the connection line into an antenna to receive clutter in the air. , you can try plugging the speaker into another audio source. If it still exists, it means there is a problem with the socket.

Generally, there are the following main reasons for noise:

1 The host is not well grounded

2 The socket is oxidized

3 Near the audio and video There is a magnetic field

Check it yourself and see what the cause is! ~