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there is a blue square line appears in my mac book while typing anything

In my macbook air there is blue square appears what is the solution


Posted on Mar 28, 2022 11:29 PM

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Question marked as Top-ranking reply

Posted on Mar 29, 2022 1:06 AM

Use Apple Diagnostics to test your Mac.


If that does not help, then get expert service and support at the Genius Bar.


▷ Call 1-800-MY-APPLE or get help here. 

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there is a blue square line appears in my mac book while typing anything

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