I have Studio 1558, 10 days ago I have problem with the sound in my laptop. At the right bottom corner on the speaker icon there is a red cross when I move the mouse pointer over I read the message "No Speakers or Headphones are plugged in". I tried to update driver by using my service tag# and doesnt work. I also tried to install other drivers once they worked and then they suddenly stoped worked and the message backed again. I re-installed the window 7 again but doesnt help. I doubt now that the sound card doesnt function any more as also I cannot even hear the beep code or even when I use F12 to make diagnostics cannot hear any sound. I hope that you can help me to fix this problem as think that the problem solved once but cannot know how to repeate that.
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