Take a look inside the audio connector where you plug in headphones or speakers? Hopefully you do not see a red glow which would indicate a serious issue. Paul On 2011-10-13, at 10:28 PM, WYNAND GROEN <wynand@xxxxxxxxxx> wrote: > Thank you guys for your help. I have tried everything. I went to sound > setting. The sliders are in the right position and the setting is for > internal speakers. > I tried to listen to a life program and tried with my earphones hooked up but > no success yet. > I downloaded today also iOS 5 and everything went well except no sound. > Wynand > > From: Wayne Dobson <pwdobson@xxxxxxxxxx> > To: muglo@xxxxxxxxxxxxx > Sent: Thursday, October 13, 2011 10:12:18 PM > Subject: [muglo] Re: speakers > > Never overlook the obvious: is the sound on? If you upgraded the OS, system > settings may have been changed. > > Assuming Lion still has preferences, open sound and see what source is set. > If it is set to internal speakers, adjust the volume slider and you should > hear a ping or blip. > > > > On Oct 13, 2011, at 8:54 PM, WYNAND GROEN wrote: > >> I had some trouble with my Mac Book Pro as it froze. Recently I downloaded >> Lions program It may be related to that. However I dailed in "recover" and >> after some hours I have everything back, but no sound.(I had a weekly back >> up of my system and that paid off). No matter what I tried and found in >> "HELP" I still have no sound. Can anyone give me some directives? >> Wynand > > Wayne Dobson > pwdobson@xxxxxxxxxx > (519) 474-1253 res. > (519) 860-2725 cell > > >