One of the scariest things that can happen to your Mac, short of actual flames and smoke billowing from the case, is a failure to turn on at all. You press the power button and nothing happens--no startup sound, no light, nothing. If this happens, you can check several things before hauling your Mac to the nearest Apple Store for repair--as often as not, this seemingly difficult problem might have a simple solution.Related StoriesIs the Chinese Government exploiting a hole in Office for Mac?Best place to buy an iMac
