Setting your serial number on a Mac Find out what your Serial number is The only reason i bothered to add the Serial number myself was, well, why not? If you wan't to do it yourself, follow along. If they don't know how to do that I'd be questioning their abilities. ![]() I have faced no connectivity issues on current macOS High Sierra though.ĭo note that the software used to do this, Blank Board Serializer, is provided by Apple to all authorized service providers, and you can get your laptop to your local Apple authorized place and they'll 'serialize' the 'logic board' for you for free. For example: FaceTime won't login, or Messages won't connect. ![]() Some software are reported to not work if you're missing the serial number. Upgrading to OS X El Capitan has been reported to make the serial number go missing (the case with my 2013 Macbook Air, never repaired and bought directly from Apple in Dubai). The next common reason is software upgrade. ![]() Not having a serial number is usually due to a hardware change. ![]() Follow instructions and enter your serial number.Download and write Blank Board Serializer.Note down your serial number (printed on underside of laptop, or purchase receipt).
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