"My laptop isn't charging anymore, but t
"My laptop isn't charging anymore, but the charger is fine. When I plug the charger into the laptop, the green light on the adapter keeps blinking."
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@christians36041 the blinking green light on your AC Adapter indicates an issue with either the adapter, the charging port, or that the battery is not accepting a charge.
First you want to check your power supply. Make sure it has the proper voltages. Check to make sure that the connectors are not bend etc. Check the DC-in jack of your laptop. Make sure there is no corrosion, debris etc. that prevents it from working. Clean it of any debris by using a few puffs of air to clean it out. If none of this works, get could get an ammeter and see if your laptop draws any amperage from the charger.
After that, you need to check and see if your motherboard even gets power. For that of course, you need to open it up. Post Some good pictures of what you see. That way we can see what you see. Ajout d'images à une question existante
Of course, you may also have to consider replacing the battery. A depleted battery can no longer be charged. To work on your computer, download the "service manual' from this page HP EliteBook 840 G4 under the Documents tab.
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