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Modelo A1278 / 2.26 o 2.53 GHz Procesador Core 2 Duo EMC 2326 de mediados de 2009

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Is my AC adapter still working?

My MacBook Pro has not been used for quite a while. Now I want to use it again but it will not charge. Is there a way to check if the external adapter is still working? If I can confirm that this is not the problem, then I don't need to look any further because then the computer has to be checked. Thanks for any input !

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2 Respuestas

Solución Elegida

Have you tried resetting the SMC? https://support.apple.com/en-us/HT201295

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Thanks for you input, but there is no way to reset the SMC if the computer is dead . If the computer is total loss, I don't want to spend any money on a new power adapter. If the problem is the adapter then that is no problem, but I need a way to figure out which of the two is causing the problem.

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do you have another charger or a friend with one? See if touch can charge your Mac with theirs,

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That's the problem, not many people in Belgium own a MacBook, so do don't know anyone from whom I could borrow a adapter. Thanks for you input.

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Respuesta Más Útil

The MagSafe cord has a LED which turns Amber when the battery is charging and Green when the battery is charged. If you don't see the LED lit you likely have a bad charger or the MacBook power connection is dirty.

Here's a good reference on what to look for and how to check things out: Apple Portables: Troubleshooting MagSafe adapters.

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The LED on the adapter does not go on in either color. Since the compter hasn't been used in over 6 months, the battery is completely dead. The only thing I can do, in order to determine weither the computer or the adapter aren't working, is to physically test the adapter. How can I test the actual output of the adapter? If had known someone with a MacBook, I could easily test the adapter on his/her computer, but I don't! Anyone who can tell me how to test the adapter please? Thanks for your suggestions.

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Check the AC cord The MagSafe LED not lighting tells me either its dead or the connection to the system is not making contact. Did you review the Apple T/N I posted above? If you did and don't see any problems then I would get a new power adapter.

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Thanks, but I did review the Apple T/N you posted, and did not get a solution. My question is, I thought, rather simple, is there a way to check the power adapter's output without linking it with a computer?

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Not really... you would need to probe the MagSafe contacts which you would more likely short out damaging the unit. Most of us who fix systems have a spare DC-In Board which has the connector to then probe to check the MagSafe adapter. If that checked out then it’s reviewing the schematics & board layout drawings to locate the power rails and testing them.

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Thanks Dan, I have a spare DC-In Board. But how do I go at it to check the power supply ?

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Bisshop Jyr estará eternamente agradecido.
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