Hey so heres the deal,
I have a Lenovo Y550P and i never had a sound problem but minutes ago i realized that when i plugged the headphones in the sound quality dropped very very low, what should i do, cause i always use the laptop with headphones plugged, please please help meeeeeeeeeeee, its not a problem with the headphones cause i tried several ones and they all have the same problemmm, Thanks very much, Marc