Equium U400 - battery is not detected

As a result of an accident in June of this year, I just couldn't pick up and drop the laptop, desktop/tablet so used instead.

I now have to use the laptop and it says "no battery is detected."

I tried to take the battery, unplug the power cord and pressing the button for 30 seconds.

I've updated the BIOS. The battery has been replaced by a third party a more than two years ago and has been absolutely until June. It's been variously turned off or turned on, connected/not connected to power since June.

Help please, what should I do next?

Windows shows the symbol of the Red Cross?

Tags: Toshiba

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