Installing from a bootable USB

Installing from bootable USB associates with clean install. That is because the computer needs to be booted from a bootable installation media and not from the hard disk drive (HDD). As explained in Chapter 1, Preparing for Installation, in the Determining and creating appropriate installation media section, usually a DVD disc and USB flash drive act as an installation media. With that in mind, the clean install requires setting up the boot order in basic input/output system (BIOS) or Unified Extensible Firmware Interface (UEFI), depending on which program your computer uses. To access BIOS or UEFI, different keys on a keyboard can be used, however, that very much depends on the manufacturer of your computer's BIOS or UEFI. The most frequently used keys are Del and F2, although it does not mean that you should not try keys like F9...