I’m frustrated

Sound distortion

I recently had to have my laptop re booted at PC World before this my laptop worked perfectly with my n4 controller
Went to connect it and all I get now is bad distortion when playing anything I then tried one of my other laptops and worked perfectly
I’ve checked settings changed leads but still the same problem can anyone please help of have had similar issues I’m trying to get in touch with numark support but just rings off don’t know what else to do
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