As for boot sequence, it is a setting in BIOS setup that can tell the device what order to look in the given boot device list. The boot menu allows you to decide what boot device to utilize when the laptop is booting. Is the boot menu and the boot sequence same? Probably not. In addition, the boot menu benefits you a lot when installing a new operating system on a PC, because you can select one device to use based on your demand since then. Even though the computer itself already has a system on the boot menu, it still allows you to load up other operating systems or applications.
Lenovo boot menu refers to the accessible menu when starting up a Lenovo computer, which contains various devices like CD, DVD, USB flash drive, or hard drive to boot from.
