New answers tagged magsafe
If there is no light. Change your charger. Clean your charger and laptop connectors. Go to Apple Genius Bar. If there is a light. Go to the Apple in the upper left corner and select About This Mac, then click on More Info (and then System Report if you are running 10.7 Lion, 10.8 Mountain Lion or 10.9 Mavericks), then select Power from the left hand ...
It's perfectly safe to use the MacBook Pro Charger with a MacBook Air. Going the other way around though will most likely charge the MBP at a slow pace, like an iPad charging through USB or a 5W Wall Adapter. For more information, see this Apple KB article: http://support.apple.com/kb/HT2346
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