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My MacBook pro model 2014 mid 15 inches, has lost serial number during upgrading the OS. I am having Catalina Os installed on the machine and have tried with a guide that tells about the Blank board serializer I write it to USB drive and when boot up the machine, Clicked EFI BOOT start normally nothing effect. All I want any other way of setting back my serial number. I am struggling for the last one month to fix the issue please help me out.

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If your MacBook is not properly serialized it should be done by an Apple Authorised Service Provider. It is to be assumed that perhaps it was forgotten (or not properly done) after a repair.

  • I think I ask for a solution, not the reason, I already aware how this comes all I Need a solution this is not answer to my question there is no authorized service provider in every country – Abdul Manan Jan 14 at 20:53
  • Call AppleCare, see if they can pick it up/ship it. If there was a mistake during a repair they might cover the cost. – Kevin Grabher Jan 15 at 6:54
  • it's not due to repair I am sure I have high Seira and it was fine when I upgrade it to Catalina this loss of serial number occurred – Abdul Manan Jan 15 at 8:06
  • @AbdulManan - is your serial number shown in "About This Mac" (first option from the Apple Logo in the top left of your screen) – Kevin Grabher Jan 15 at 13:50
  • no its not showing no where – Abdul Manan Jan 15 at 14:54

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