Hardware compatibility is also a possible factor. Make sure your headset is not too sensitive to amplify the broken sound.If both the original and external speakers are like this, it may be a problem with the built-in speaker
The audio part of Lenovo Y430P may have hardware failure, such as damaged speaker unit.In this case, it is recommended to send for repair or find a professional to check and repair
If it is a system problem, check whether the sound setting is adjusted improperly or the driver needs to be updated.Sometimes resetting the audio device option can also solve the problem
