User Manual
Page 56
Locating Your Product Serial Number Use one of these methods to find your computer's serial number:  Turn your MacBook Air over. Serial number  Choose Apple () > About This Mac and then click the version number beneath the words "Mac OS X." Clicking cycles between the Mac OS X version number, the build version, and the serial number.  Open System Profiler (in /Applications/Utilities/) and click Hardware. 56 Chapter 3 Problem, Meet Solution The serial number is etched into the case, near the hinge.
Locating Your Product Serial Number Use one of these methods to find your computer's serial number:  Turn your MacBook Air over. Serial number  Choose Apple () > About This Mac and then click the version number beneath the words "Mac OS X." Clicking cycles between the Mac OS X version number, the build version, and the serial number.  Open System Profiler (in /Applications/Utilities/) and click Hardware. 56 Chapter 3 Problem, Meet Solution The serial number is etched into the case, near the hinge.
User Manual
Page 59
... only the power adapter that came with your MacBook Air, or an Apple-authorized power adapter that can erase data on a credit card, iPod,... or plug becomes frayed or otherwise damaged. Â Your MacBook Air or power adapter is exposed to clean the case (use . To preserve your data, do not place these and other cables if any other magnetically sensitive material or...before plugging the adapter into a power outlet. If debris gets into the case. Â Your MacBook Air or power adapter has been dropped, the case has been damaged, or you suspect that service or repair is required. ...
... only the power adapter that came with your MacBook Air, or an Apple-authorized power adapter that can erase data on a credit card, iPod,... or plug becomes frayed or otherwise damaged. Â Your MacBook Air or power adapter is exposed to clean the case (use . To preserve your data, do not place these and other cables if any other magnetically sensitive material or...before plugging the adapter into a power outlet. If debris gets into the case. Â Your MacBook Air or power adapter has been dropped, the case has been damaged, or you suspect that service or repair is required. ...