General My tablet dosent charge!

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http://androidforums.com – So yesterday it was charging perfectly at the wall,but now it dosent charge anymore,i tried to push it in,doesnt work,i tried to power it (pushing the power button) but it dosent open only shows a battery then turns off,And the charger was new(just bought). Im asking can we charge asus transformer tf101 using laptop?Cause i putted the usb in the laptop and it dosent even flash,does it requirs an program?i cant take it to my school or play with it anymore,plaese help! (General)