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This information will help you create a UEFI Bootable boot device which you can use to install Windows10 onto a large disk (over 2 TB) with a GPT partition. I used a 4T drive when I did my Windows 10 installation.
UEFI is replacing the BIOS
UEFI is replacing the BIOS
Unified Extensible Firmware Interface (UEFI)
Intel developed the original Extensible Firmware Interface (EFI) which eventually became UEFI standard.
Some of the advantages are listed below.
Boot from large disks (over 2 TB) with a GPT partition.
More than four partitions on a drive.
Fast bootup time.
Power Management.
System Management.
Fault Managment.
GUID Partition Table (GPT) is the standard of a partition table on a disk drive, this will use a Globally unique identifier (GUID).
We need to create a USB bootable drive. The tool I use to do is RUFUS.
This tool is capable of creating a UEFI bootable USB drive.
Some of the early versions of ROFUS did not have this feature so make sure you get the latest version.
After you install RUFUS (or use the portable version) launch the app and you will need to make some choices.
First select the ISO image for the installation. Point this to the Windows10 iso image you have created using the Media Creation Tool.
To download the windows ISO image check the instructions further down.
Second choose GPT Partition scheme for UEFI.
Download the Windows 10 operating System software via the link.
Select the ISO option which we will need for the UEFI bootable media
Once you have made your bootable device using RUFUS and your ISO image you are ready to install Windows10.
Boot up using your USB Drive (or DVD).
UEFI General rules
Use a 64 bit operating system.
Disable any settings for QuickBoot/FastBoot and Intel Smart Response Technology (SRT).
If using Windows 8 or 8.1 and Windows 10 disable Fast Startup.
Your PC needs to be UEFI capable for this to work.
If you created the USB drive correctly it will show up as UEFI boot option
Select the UEFI boot to start the Windows10 installation.
Once your installation screen shows up it is worth checking if your drive is configured corrctly.
Go to a DOS CMD prompt by using Shift+F10.
Use the Diskpart command, type List Disk. Under column GPT if you see an * you have a GPT patitioned disk.
To convert a disk to GPT using DISKPART.
SELECT DISK 0 (or whatever you drive number is)
CLEAN
CONVERT gpt
Now do LIST DISK again
If you see a * under GPT column you have a GPT partition
Close the CMD Prompt window and continue the installation.
Now you should be able to install Windows10 to a GPT partition.
!! You need to boot with a UEFI boot drive for this to work !!
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