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Released in early 2017, the Dell Inspiron 15 5578 2-in-1 is a convertible laptop with a 15-inch touchscreen. It uses an Intel processor and Intel integrated graphics.

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Why isn't the ac adapter charging the battery?

The Ac adapter powers up the laptop but isn’t charging the battery so what do I look for?

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Hi @longoman ,

Check that the battery is being detected in Device Manager. Here’s a link that may help

If it is and the above didn’t resolve the issue, create a Win 10 battery report and check the status of the battery.

If the battery is faulty and needs to be replaced, here’s the service manual for the laptop, taken from this webpage.

Go to p.14 to view the necessary pre-requisite steps and then the procedure to remove / replace the battery. Usually batteries have model numbers printed on them. If you search online using the model number of the battery you should get results for suppliers of the part.

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Battery replaced. Same problem so it has to be the charging circuit gone bad.


Hi @longoman

Can't find a free download online for the schematic but if you're willing to spend a bit you can purchase it.

Maybe it's only something minor in the charge circuit that's gone wrong. ;-)


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the charging circuit may be dead or the battery is aftermarket and not recognized as legit, or the needed pins may be dirty

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You're right about the charging circuit at fault. I advised the customer to keep the power plugged in to avoid power cut off unless he's willing to replace the logic board ($$)


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Steve Longo será eternamente grato(a).
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