Hi,
The sound has just disappeared on my 2 month old iMac. I noticed it wasnt that loud at highest volume and then sudenly nothing at all. I've restarted twice and get the start up noise. I have also opened and closed Garage Band and nowt.
Please help?

The sound has just disappeared on my 2 month old iMac. I noticed it wasnt that loud at highest volume and then sudenly nothing at all. I've restarted twice and get the start up noise. I have also opened and closed Garage Band and nowt.
Please help?