: Hold the power button for at least five seconds .

Leo’s laptop had become a brick. It wouldn't even touch the Windows loading screen, and the old BIOS menu he used to rely on was giving him nothing but a vague "Disk Error" with no way to dig deeper. He was stuck in a loop of restarts and frustration. Then he remembered he’d recently updated to the HP PC Hardware Diagnostics UEFI version 1.6.1.0