Is it warranty case?
I haven't got any sounds on my iMac. The red light was burning in the headphone Jack, but have now stopped. But there is sounds, when i am turning on my computer. (The Symptoms are like there: http://support.apple.com/kb/TS1574?viewlocale=en_US ) Is it warranty case?
iMac, OS X Mavericks (10.9.1), (Late 2012 21,5')