Currently Being ModeratedJan 31, 2013 2:25 PM (in response to arthuzynn)
Try the suggestions here to see if they resolve your problem:
If these don't work you may have a hardware problem. Visit an Apple store for an evaluation or contact Apple Support.
Currently Being ModeratedJan 31, 2013 2:32 PM (in response to JimHdk)
I've done it and nothing ... I believe it is not a hardware problem, because people have problems with hardware that were tested for freezer and dryer and resolved, not mine, continued the same thing ...