According to your description, there are several possibility to caused your device cannot turn on. First, try to find similar charger and charge the device again. The charge may faulty. Next, if the charging cord works, you may have a faulty battery. If the problem still there, it may because a broken motherboard. And you to use guide to replace it. For more information to solve the device wont't turn on problems, please check [[ProScan PLT7223G Troubleshooting#Section_ProScan_Will_Not_Turn_On|ProScan Will Not Turn On]]