It services and repairs could be fee-based as the computer may not be in warranty. If it fails you need to replace the hard drive or the failed component or get the computer serviced by contacting HP phone support via this link: please select the country and follow the on-screen instructions.If any component fails please make a note of the failure code. It takes roughly two hours to run depending on the hard drive size. Please run both the extensive tests and component tests.For starters please run complete hardware diagnostics on the computer assuming that the computer runs Windows 8 or Windows 10 from this link: to eliminate hardware issues.Please provide the operating system of the computer to assist you better.Did you try to run hardware diagnostics on the computer?.Kudos to you for that and it is greatly appreciated.įor better clarity and to assist you correctly I would require more information regarding this. Glorious description and splendid diagnosis of the issue before posting. I understand that you have issues with the notebook going in a loop and not booting. Thank you for reaching out to the HP community.