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How to reinstall Windows 8 on UEFI from a Windows 8 Legacy


Amici

New Member
Posts
1
#1
So I fresh installed Windows 8 on Legacy boot, deleting all partitions even the factory restore partitions, everything. I realized late that the new trendy thing is to install on UEFI, however I'm having difficulty doing this. How exactly do I go about this?

My laptop has a 256 gb SSD mSATA where Windows and apps are installed, and a media HDD sized at 750 gb. I deleted every partition I had when I installed Windows 8 and made new ones for a fresh install, however I think this is preventing me from doing a UEFI install correctly..
 

My Computer

System One

  • OS
    Windows 8 Basic

theog

VIP Member
VIP Member
Gold Member
Posts
5,591
#2
Welcome to EightForums.

I deleted every partition I had when I installed Windows 8 and made new ones for a fresh install, however I think this is preventing me from doing a UEFI install correctly..
The Windows 8 installer make the need partitions for you, in Drive Options.

Windows 8 Downgrade-008 SB-1.PNG

Windows 8 Downgrade-007 SB.PNG


As the new MOBO's now have a uEFI/BIOS firmware.
How to install Windows 64 bit on a uEFI/BIOS firmware:
http://www.eightforums.com/tutorial...e-firmware-interface-install-windows-8-a.html

Boot the Windows 8 DVD in UEFI mode.

Windows 8 Downgrade-006 SB for posting.PNG
 

My Computer

System One

  • OS
    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4