Windows 8 UEFI mode, how to install?

[MtSeldon]

I bought a upgrade key from for Windows 8pro. Burned the iso to dvd . I tweaked the settings in the bios (Asus Maximus Hero), but everytime , windows installs as Legacy. How do i install it as UEFI?

 

[Dahak]

Off the top of my head, when I did it for me (Z87-Plus)

You have to make sure that
1) legacy or CSM mode is disabled in the bios
2) boot from the UEFI boot source, which it should default too if 1 is disabled, if you hit F8 from to select the boot menu it should show UEFI label

 

[MtSeldon]

Off the top of my head, when I did it for me (Z87-Plus)

You have to make sure that
1) legacy or CSM mode is disabled in the bios
2) boot from the UEFI boot source, which it should default too if 1 is disabled, if you hit F8 from to select the boot menu it should show UEFI label

Thank you for the answer.
I tried these.
if csm is disabled, bios doesnt accept the dvd as a boot device.
F8 didnt help either, I dont see a UEFI source, only the dvd .

 

[Whisper2]

The drive you want to install Windows on must be set up for GPT partition tables as opposed to MBR partition tables if you intend to use UEFI. This link is a Microsoft article that lists the few steps necessary to change using DISKPART

http://technet.microsoft.com/library/cc725671.aspx

You can access a Command Prompt during a Windows install (right after it displays "Install Now") with Shift + F10.

 

[Whisper2]

Delete

 

[ViRGE]

Maybe your BIOS is just picky about UEFI DVDs? Skipping the DVD and trying a USB flash drive may have more luck. Just format it as FAT32 and copy over the contents of the ISO to the flash drive.

 

[takeru]

i had the same issue. just UEFI boot with a usb thumbdrive instead.

diskpart:
clean the drive
create partition primary
set as active
format as fat32

copy/paste contents of disc to thumb drive
boot from thumb drive

it's faster to install this way anyway.