I have a Dell inspiron 7746 (Specs) series running Ubuntu 14.04.3 When I plug a headphones jack and there is no sound playing, I can hear a noise in the background. When I play a video, at the start, there is a sound like a crack or pop, and then the rest of the audio plays with no problem. But when I pause the video, another pop noise occurs, and the background noise starts again. Can someone help me? I do not think it is a hardware problem, because the sound works with no problem in Windows. I try with a few solutions but none of them work.
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