Download a windows 8.1 oem iso and preparing a bootable usb for a uefi bios with secureboot. If you want to install a clean copy of windows 8 or windows 8.1 on a uefi-enabled computer, you will need a uefi bootable usb flash drive to start with. this is a tutorial to show you how to make such flash drive with and without the help of 3rd party tool.. How to enable boot from dvd option with uefi boot mode enabled (windows 10, 8.1 & 8) learn how to enable boot from dvd option in uefi bios with uefi boot mode enabled. if your pc with uefi bios is unable to boot to dvd or cd, follow the instructions below to add the optical drive to the boot list..
A classic example of this is the windows 8.1 recovery tool which is created on a usb flash drive (from a pc with uefi bios) has the same generic filename and boot file path - is a uefi bootable recovery environment based on windows pe os.. Does your windows 8.1 installation .iso have the appropriate efi drivers on it? – ramhound jan 21 '16 at 18:49 efi needs to recognise the filesystem on which the load is installed so it can search for the right files on this.. I'm trying to set up a uefi-boot of windows 8.1. however, i seem to be unable to install it with a usb drive ( previous question ), and when i try to install with a dvd (the same iso), i don't get the uefi boot option on startup, contrary to what happens when i use a dvd burned with e.g. an arch linux live install..
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