Have you tried reinstalling a fresh copy of OSX? I would try that first. If that doesn't help, you might be looking at replacing the airport card on your macbook. It has an antenna for WiFi and bluetooth as well.
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Have you tried reinstalling a fresh copy of OSX? I would try that first. If that doesn't help, you might be looking at replacing the airport card on your macbook. It has an antenna for WiFi and bluetooth as well. Luckily, it's pretty straight forward replacing this card and requires minimal experience. Just look at the repair guide here for your specific machine.
Have you tried reinstalling a fresh copy of OSX? I would try that first. If that doesn't help, you might be looking at replacing the airport card on your macbook. It has an antenna for WiFi and bluetooth as well.