Our team will check whether your HDD is failed, power supply is proper and battery is working properly, if not then fix HDD and ask you to remove battery and enable proper power supply through Sony laptop support services.For any technical assistance do make call on the following Sony support numbers USA/Canada: 1-800-294-5907, 1-844-573-0859.Visit for us:-https://www.globaltechsquad.com/sony-support/