Search results

At power on hold Command-Option-P-R keys and wait until you hear the post "bong" three times. I told the Apple store I understood when you mass produce something a few lemons will be created..... they just were supposed to sell the lemon to someone else ;-)

and within a few weeks it no longer boot.

Yesterday my Macbook shut off again and boot once, off the DVD. It was unable to see the internal hard drive anymore. A quick trip to the Apple store where they were unable to get it to boot from any device. It is now in Memphis, TN awaiting a new logic board replacement.

No this happens on and off AC power. I'll be visiting my friendly neighborhood Apple store soon.

I just started seeing this problem after about a month. I was working and click it goes off. In 2 cases it wouldn't power back on until after I let it sit for awhile..... my guess is this is a thermal problem. I always allow for airflow under the laptop so I'm not sure what else I can do to...