'''++Neil Pattison++''' if the aforementioned answer do es not resolve the issue then it is possible that you need a new battery [guide|76459] Also, check the port where the charger connects to. Make sure that it is clean and that there are no bend or broken pins etc. It is repalcable as shown in this guide [guide|76454] Worst case scenario would be an issue with the power management IC on the motherboard. So let us know what you find out.