What is odd is that the power supply light is brightly lit when plugged into the wall, but once it is connected to the computer, the light begins to flash at a very dim level. You may immediately assume that your chargeless laptop battery translates to a costly visit to a PC repair shop, but that’s not always the case. However, it's a mistake to approach any notebook problem with a preconceived notion of the outcome rather than following a logical process of elimination. It also allows you to create a new user account if your original account has been corrupted. My HP laptop has recently gone dead on me. In the binary numbering system, one not furnished by HP It seems like some sort of short, hopefully something just where the power input is in the laptop. No response from the power button at all. Check hardware . Dealing with a laptop that has suddenly stopped charging is a definite cause for headache, but don’t let your frustration bubble over just yet. Page 1 Troubleshooting and Maintenance Guide...; Page 2 In decimal notation, one megabyte (MB) is equal to 1,000,000 bytes, and one HP assumes no responsibility for the use or gigabyte (GB) is equal to 1,000,000,000 reliability of its software on equipment that is bytes. Safe mode allows you to uninstall new programs or drivers that could be affecting your laptop. A technician troubleshooting Toshiba laptops may be more like to start with the battery, as they are notoriously weak, just as troubleshooting HP and Compaq notebooks often begins with the RAM. If your HP laptop won’t turn on you might still be able to get your laptop working in safe mode [6]. We have 23 HP Laptop manuals available for free PDF download: User Manual, User Giude, Startup Manual, Manual, Troubleshooting And Maintenance Manual, Warranty And Support Manual The last step when diagnosing power issues is to check your hardware. 6. HP Laptop troubleshooting, repair, and service manuals. HP Laptop Manuals Manuals and User Guides for HP Laptop. Hewlett-Packard began manufacturing personal laptop computers in 1993. Before jumping to conclusions about broken hardware or faulty software, make sure to try all of these troubleshooting options and follow all of the steps carefully. If none of these options work, consider getting in touch with a professional or your PC’s manufacturer.