No sound [Closed]

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Hello,


plz help me my acer laptop have sound problem there is no sound on laptop speakers if i plug head phone still no sound.my laptop shows than headphone plug in .either if they wont plug .when i play music or any audio the sound shows bar up and down shows but no sound.i try new window ,new audio jack every thing but not workin still headphone shows without heaDPHONS and same no sound in headphone or without headphones plz plz help