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The HP Pavilion DM4, manufactured by HP cooperation, one of their pavilion models released in 2010.

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How come my laptop has to be plugged in to power on

My HP pavilion dm4 will only turn on and stay on with it being plugged in and so it's not portable my question is will replacing the battery fix the problem

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Hi,

What does the battery charge state indicator tell you when the laptop is connected to the adapter?

If it says charging and then eventually reaches fully charged or even if it says fully charged and then the laptop doesn't work when on the battery only then in all probability the battery will have to be replaced.

Even rechargeable batteries have a life span.

Replacement batteries are available online, just search for HP Pavilion dm4-2015dx battery to find a supplier that suits you best.

Remember that if you do get a new battery, to fully charge it before first use. Do it with the laptop turned off to decrease the amount of time that it will take.

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The battery is not holding a charge then replacing it will help.

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Richard Roberts sarà eternamente grato.
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