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i got a tobshiba tablet model th105 t108 i replaced the lost power cord but now it does not power up when pluged in

I have a Toshiba AT100 I recently purchased second hand.I think I did something to it this morning. I was playing on it and the battery was at about 25% .I was going somewhere so I wanted it charged but when I plugged in the charger it won’t come on at all.What could I have done to cause this?