Hardware or BIOS

Impacts of Changing UEFI Secure Boot Settings

How to Access BIOS/UEFI Settings to Configure Your System

How to Enable UEFI BIOS Secure Boot Setup Mode

BIOS Displays List of Boot Devices at Each Cold Boot

How to Switch from Booting an IDE Hard Drive to a SATA Hard Drive

Message “Missing Operating System” During Boot

Error Message “Boot Disk Failure” On Startup

Message “Not found any [active partition] in HDD” During Boot