Search exact filenames on Google with site:hp.com for safety.
: Expand the Batteries section in the list.
Often not a driver issue but HP’s Adaptive Battery Optimizer. Fix:
Even though there’s no dedicated battery driver, you may still need to manually reinstall the ACPI driver or update BIOS/power management tools. Follow these steps carefully.
Are you experiencing a specific error like or is the laptop failing to turn on without the power cable? Official HP® Drivers and Software Download