Mac & Apple Devices - EveryMac.com's Ultimate Mac Lookup
The only Mac OS X that does have serial numbers is Server versions 10.6 and earlier. They know are licensed for 10 or unlimited users. The only problem you may run into is that if you are trying to do the reinstall with a system disk rather than a plain old Mac OS disk. Every Mac has a specific serial number that is required for warranty service. Once open, click on the grey OS X version string.
Lookup Mac, iPod, iPhone, iPad, Apple Watch, Apple TV and other Apple devices by Apple Order Number, Model Number, EMC Number, Model Identifier, and Serial Number as well as Intel processor number to check its specs and other details.
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For a Serial Number lookup, be sure to enter the entire serial number.
Need help? See Mac Identification or iPod, iPhone & iPad Identification. Want to search the entire site in natural language? Use Site Search instead.
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