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My tablet suddenly stopped charging, computer does not register when attached to usb and flashes on and off for a few minutes then dies.

galaxy note need to be kept on a charge for at least 1 hr before it will come to life. after the battery has been dead for a while… buy some new usb leads make sure you get a original galaxy usb lead! you can also try holding the power button while holding the volume buttons when its plugged in. good luck ray

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