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Repair and disassembly information for the HP EliteBook 840 G4.

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Laptop power not ON on battery

I bought it second hand laptop 3 month works good but suddenly laptop not power ON on battery but its does on Power Adopter and showing battery recharging. When i unplugged power supply its goes OFF. Please help.

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@luqmanfahim going by your symptoms and the age of the laptop, this appears to be a bad battery. Your laptop may say it is charging but your battery may no longer hold a charge. Replace the battery, then re-evaluate.

Here is the Maintenance And Service Guidefor your computer. Page 36 will show you how to remove the battery. The part number for the battery is listed on that page as well.

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