The Windows Registry is finally deleted and the boot options changed.

Later versions that shipped with Vista did not have the boot option but retained the multimedia features.

Press f12 to use boot options and select usb boot device.

Some bios may have a different key for boot options.

Left and right boot options is always a good combo to have.

The boot loader often presents the user with a menu of possible boot options.

Or you could just disable the secure boot option in the BIOS*.

You've got USB drives in boot options and so forth.

Unlike the use of the boot option on x86, this does not reduce the kernel-mode virtual-address space available to the operating system.

Syslinux reads syslinux.cfg and can display a menu with different boot options.