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跳到步骤#1

Krishan Patel编辑

编辑已通过 由 Krishan Patel

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步骤行

[* black] Start with your laptop off with the case & hinge open
[* icon_caution] Turn on the laptop. After this point be very careful not to touch the board especially with anything conductive.
+[* black] Once your Mac has booted, carefully navigate the OS to play a long audio track that will keep playing for the remainder of this guide.
+[* black] If you experience the issue this guide is intended for, no sound will play but a red light will turn on in the headphone port.
+ [* icon_note] This silent audio will be used to find the source of the problem later on.