Serial number became unavailable and no sound

Hey everybody,

Decided to take apart my MBA to cleanup. Did everything very carefully. After put everything back my MBA works fine, even better than before, BUT serial number and sound became unavailable.

Setting of new serial number is not a huge deal, but why it was reseted? Did I damage something on a mother board?

What happened with sound? There is no startup sound, no sound in headphones, build-in speakers do not exist at all in system info.

Hope somebody can help me. Thanks in advance.

Bu soruyu yanıtla Ben de bu sorunu yaşıyorum

Bu iyi bir soru mu?

Puan 0

4 Yorum:

Please clarify what your model is: a MacBook Air or a MacBook Pro Retina and the screen size.

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Macbook Pro Retina 15 early 2013

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You had listed MBA (MacBook Air) in your question which confused which you had.

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Did you change any parts?

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