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Invalid Serial Number

Why is my serial number invalid when I enter it on the Apple website for trade in value?

MacBook

Posted on Oct 20, 2019 7:15 PM

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Level 10

129,559 points

Posted on Oct 20, 2019 7:58 PM

make sure you did not mis-read the numbers, or substitute I for ONE, or Q for oh or Oh for Q.

--OR--

 Menu > about this Mac

... then cut and paste the serial number from there.

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