When there's a lot of noise on the laptop speaker,

pu1. If that's the case with all the music and movies, there seems to be something wrong with the speaker itself... Leave the laptop to me

2017-11-25

OK

pu2. Laptop speakers are not very good speakers, but they are noisy. Connect an external speaker or earphone to the laptop and listen to the sound. If there is no noise, the laptop speaker has a problem, so you can get an as.
If there's noise, it could be more than a sound card driver, but you can download it from the manufacturer's website and open it again

2017-11-25

OK