i have an Acer Aspire E1-570 laptop that just started giving a squeaking loud noise continuously. The sound is similar to the

[mmjimba]

everything works except that whenever l want to make skype calls or listen to music, l get this squeaking sound. This started today when l connected a set of earphones to make a private call in a public space.

 

[zer0c00l587]

Key words in your post are "public place", there could have interference in the environment there causing such an issue, just like how when a incoming phone call sometimes causes a sort off static beeping noises on car and laptop speakers.