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Hello, Couple days ago I put my laptop to charge for later use. I later during that day discovered after tying to turn it on, it will only boot with the charger plugged in. Yes it still turns on with the battery disconnected. I bought a new battery, swapped my old battery and let it charge over night. The battery indicator suggestes the battery is fully charged. As well in the desktop the battery percentage is at 100%. Even so if I disconnect the charger the laptop turns off. Is the ribbon cable between the battery and computer fried? Thanks

Even if a battery is out of a device, power from an outlet will make it work. You might have a power problem, but as long as you have it plugged in, it will stay on. You can also Go to a service center and replace the charging panel

If both batteries showed charged, but don’t work in the laptop, there may be something wrong with the battery port in the laptop. Due to the cost of such a repair and lack of parts due to the age of the laptop, I suggest just getting an external battery (power bank) for the laptop. https://www.lifewire.com/best-portable-l