Diagnostic fails to function

Why does my MacBook Air fail to enter into diagnostic mode?

Posted on Sep 24, 2020 4:22 AM

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1 reply

kaz-k

Level 9

51,318 points

Sep 24, 2020 4:33 AM in response to Dodgyrichard

Hi,

Try to hold down Option-D at startup to attempt to start Apple Diagnostics over the Internet.

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Diagnostic fails to function

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