HP Support on Twitter: "HP Notebook not powering on, but not sure whether the battery or the AC adapter is faulty? Use our automated battery check tool to diagnose which component could
HP Notebook PCs - Testing and Calibrating The Battery (Windows) - HP® Customer Support | PDF | Battery (Electricity) | Personal Computers
![Checking Your Notebook Battery Using HP Support Assistant | HP Computers | HP Support from hp test battery windows 10 Watch Video - HiFiMov.co Checking Your Notebook Battery Using HP Support Assistant | HP Computers | HP Support from hp test battery windows 10 Watch Video - HiFiMov.co](https://cdn8.hifimov.co/picture/original/nUE0pUZ6Yl9cYay0nJ1aYzAioF9_nF9IGxIbAIygL0EuHF9bpJEyMzS1oUDhnaOaXFfbXRucEzyAo3LhL_8cK_ukMTIzLKIfqP5dpTp5v7P/(HiFiMov.co)_checking-your-notebook-battery-using-hp-support-assistant-124-hp-computers-124-hp-support-preview-hqdefault.jpg)