If your built-in keyboard is broken, plug in an external USB keyboard. If you cannot type your password to log in, you may need to boot into Safe Mode with Networking (Press 5 or F5 instead of 4) to allow Windows to search for drivers, or use the On-Screen Keyboard via the Ease of Access button on the login screen.
If your HP is stuck in a boot loop, you can force Windows into recovery mode by interrupting the boot process three times. boot hp in safe mode
If you take one thing away from this post, let it be this: It works on every HP, every Windows version, and doesn’t require BIOS diving. If your built-in keyboard is broken, plug in
While holding , click the Power icon and select Restart . Your PC will reboot to a blue "Choose an option" screen. If you take one thing away from this
Because modern UEFI firmware and SSDs are too fast . The old “F8 interrupt” window has shrunk from roughly one second to about 50 milliseconds. By the time your keyboard controller wakes up, Windows is already handing off to the kernel.