Installing from DVD or USB Drive

The BIOS of most PCs support booting directly from a CD, DVD, or USB drive and enable you to set a specific order of devices (such as floppy, hard drive, CD-ROM, or USB) to search for bootable software. Turn on your PC and set its BIOS if required (usually accessed by pressing a Function or the Del key after powering on) and then insert your Ubuntu install media and boot to install Ubuntu.

UEFI

If you have hardware that is from 2010 or newer, it probably includes a firmware interface called UEFI. The Unified Extensible Firmware Interface is a specification that defines how an operating system and the hardware will interact. It is intended to replace the BIOS mentioned above. It has also been known to cause problems ...

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