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Mitte 2009 Modell A 1278 / 2,26 oder 2,53 GHz Core 2 Duo Prozessor EMC 2336

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How to know which piece I need to change?

Good afternoon,

I faced an issue yesterday night with my macbook pro.

I reinstalled the all OS (lion 10,7) and since that moment I do not have wifi anymore. Not even the icon appearing in the top corner close to the clock.

I was wondering How can I be sure which piece needs to be replace. The airport card or the antena ?

My bluetooth is working well.

In the info system, my wifi card information shows nothing...

I was even wondering if the bluetooth and the wifi are the same card ?

I tried already PRAM and so on but nothing helped to get my wifi back.

If someone can helpme, I will be grateful

In advance thank you

Beantwortet! Antwort anzeigen Ich habe das gleiche Problem

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Gewählte Lösung

@ozstrik3r69510 - Sadly, this is a harder system to fix as the AirPort card is located in the Clutch cover, review this IFIXIT guide: MacBook Pro (13 Zoll, Mitte 2009, Unibody) AirPort Karte tauschen. The antenna's are both part of the lid assembly next to the AirPort board.

I would suspect the cable leading to the lid got damaged Vs the AirPort or antenna's.

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Thank you for the answer. I saw the turo and it will not be a problem to change myself the card or the cable. But what I was looking is how to be sure that I need to buy a airport card or a cable or an antenna ?

I will buy the piece and change it but I want to buy the right one.

As I said, my bluetooth is working, is that can help me to know which piece is not working properly ?

Is the airport card is also the bluetooth ?

Is if the cable was damage, the bluetooth works ?

Waiting for feedback



@ozstrik3r69510 - I would bet it's the logic board to Airport board cable thats damaged then the AirPort board. The antenna unit would be way out there of possible issues.


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If it was all working before the OS installation and stopped working after the OS installation, the odds of it being a hardware issue are pretty slim.

Boot from the OS installation disc (or USB drive) and see if wifi becomes available. If so, you probably have a bad OS installation.

Do a clean installation for best results. You may also want to consider upgrading your OS, your MacBook Pro will run up to El Capitan.

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In case it is a hardware issue, how can i figure out if it is the antenna or the airport card ?

My bluetooth is working. Is that can help me to find the "culprit" ?


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Benjamin Fructus wird auf ewig dankbar sein.
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