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Versão atual de: James Macintosh ,

Texto:

Check your antenna cables. They're the thin black cables coming out of the display hinge. Make sure they're connected and check for damage, maybe even reseat them. The metal connectors can be easily squished, so be gentle with them.
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+=== Update (07/19/2017) ===
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+Assuming the connectors on the display and the connectors on the airport card look I damaged.....yes, it sounds like a bad airport card.
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+To double check that you’re having a hardware issue....you should boot to the recovery partition (Command+R when starting up)....then in the recovery partition, you should have access to the airport/wifi settings to see if you can connect to a wifi network. You can also use a safari browser in the help menu too. Doing this rules out any software corruption that is possible in your OS.

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open

Mensagem original de: James Macintosh ,

Texto:

Check your antenna cables. They're the thin black cables coming out of the display hinge. Make sure they're connected and check for damage, maybe even reseat them. The metal connectors can be easily squished, so be gentle with them.

Status:

open