Also, check whether you’ve plugged the speaker cable into the correct port on your PC. In case the 3.5mm pin is loose, you should try another speaker cable. Ensure the speaker cable is plugged in your PC firmly and all the way inside.
Loose cable connections are a major cause of popping and crackling noise in speakers. In case you’ve started playing some music on your PC but there is noise, the first troubleshooting option is to check whether you’ve plugged in the speakers properly. Check for a Loose Speaker Cable Connection Balance the Volume Level Between Your Computer and the Speakers Try to Move Your Cellphone Away from the Speakers Check Equalizer Settings on Your Music Player Software Disable Any Audio Enhancements on Your PC
