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Processeur dual-core Intel Core i5 à 2,5 GHz (Turbo Boost jusqu'à 3,1 GHz) avec 3 Mo de cache L3 partagé.

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Does battery affect smc problem

I had this problem from a week before. It does say my battery need to change and my laptop kept randomly shut down. I restarted the smc and after i restarted the mac wont turn on but after i force turn on the fan spinning in full speed and i kept restarting the smc and the mac wont turn on and this always continue. I do not know if battery affect with smc problem especially the full fan speed but there is chance that the logicboard broke too. Should i replace the battery??? (Sorry for bad english)

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Install this gem of an app CoconutBattery post a snapshot of the apps main window so we can see Ajout d'images à une question existante

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Yes indeed a faulty battery can cause a shorted or blown circuit and also affect the SMC chip.

It would need further testing by a technician as it is likely board level work to fix and a fresh battery likely.

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@livfe - Refrain from jumping to conclusions, a battery in its self won’t cause a short or blown circuit. It is no different than any other power source.


A failed component or liquid damage can cascade into a deeper mess!

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@danj A faulty battery of course can make problems like board issues.

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@livfe - Which come first is the point, power no matter the source only damages when given the pathway to do so. You can’t blame the battery!


Now, if lightning where to hit the charger and travel up the cord it would damage things! But that is still an outside event, just like a liquid spill. A failed component like a tantalum capacitor can create a short on its own and the damaged caused can travel damaging the logic board or other components as the power from what ever source surges is through.


Now the battery in its self could fail, but that’s a physical failure not a power failure that would damage the logic board. The battery can’t send more power than what it can store.

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@danj So a faulty battery cannot be the cause of damage to a pathway? Unless a charger suddenly threw an overload of power which went through the battery and done a 'Helene' job on the pathway is that what your saying? This would make sense, true?

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@danj There are A load of old questions regarding battery and power issues that you could have a look at sometime, I answered some and got some responses from the question askers even after 2 years or more :)

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