My Aluminium chassi is electrified!

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MacBook Pro

A linha de laptops MacBook Pro da Apple foi concebida para usuários avançados e profissionais. Atualmente, a linha MacBook Pro inclui as variantes de 13, 14, 15, 16 e 17 polegadas, com revisões maiores definidas pelos designs Pré-monobloco (original), monobloco, tela Retina, Touch Bar e SOC (system-on-a-chip).

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Rickard @rickard62145

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My Aluminium chassi is electrified!

When I have my Macbook Pro connected to the charger, the chassi become electrified. I do not know how many volts och amperes there is, probably not many. But when you drag the fingers over the computer, you get a humming feeling in your fingers. When standing on a chair, the humming becomes less. If standing bare foot on the floor you feel it very clearly, and if you holding something that is earthed at the same time as you touch the computer, it will hum so much in the fingers, that it hurts.

How can I fix or repair this problem?

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It turns on and runs?

27 de set de 2010 por Chris Green

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originalmachead @originalmachead

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use the grounded AC extension cord not the two prong "short" AC adaptor.

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Good Luck,

N

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Thanks for pointing this out +

27 de set de 2010 por Chris Green

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Chris Green @chrisgreen Rep: 36,9 mil 150 91 50 · Answer 1 · 2010-09-27T16:00:49-07:00

Chris Green @chrisgreen

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Well, it looks like you might have a problem with your charger then, because normally it will only put out something like 25V, and 2A. That shouldn't be powerful enough to give you a tingleing feeling in your fingers. You might want to make sure that the DC-in board is properlly grounded, and is not shorting out anywhere in the case.

Note: since I'm not completelly sure what model MBP you have i linked you to the part/guide of a 15" A1226. If you tell me the model number of the computer, i can find the right guide.

Produto

MacBook Pro 15" (Model A1226) Left I/O Board

$99.99

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Rickard @rickard62145 Rep: 61 4 1 · Answer 2 · 2010-09-28T01:35:27-07:00

Rickard @rickard62145

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Yes, it turns on and run perfectly, and the battery is charging normally.

I have tried ungrounded and grounded AC-plug, but no differens. A friend has the same problem, he has a smaller computer 13" or 15", I have the 17" model.

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