Universal serial bus flash drives and external drives work like CDs and DVDs. They are also convenient to use – but not all motherboards support bootable USB devices. Modern computers can boot from hard drives, disc drives, network drives and USB drives, but PCs created before the development of USB drives don’t support booting from USB. To discover whether you computer can load from a bootable USB drive, check the settings in the basic input/output system to see which boot devices the PC supports. Writer Bio
