You have to do a hard reset. press the menu button, then go to settings, then go to the advanced tab and do a factory reset. i had the same problem and that fixed it.you will however have to put all your books back on it so just a warning. but it will be worth it.
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You have to do a hard reset. press the menu button, then go to settings, then go to the advanced tab and do a factory reset. i had the same problem and that fixed it.you will however have to put all your books back on it so just a warning. but it will be worth it.