Wednesday, July 25, 2018

windows cannot be installed to this disk this computer's hardware

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Windows Setup: Installing using the MBR or GPT partition style


When installing Windows on UEFI-based PCs using Windows Setup, your hard drive partition style must be set up to support either UEFI mode or legacy BIOS-compatibility mode.
For example, if you receive the error message: “Windows cannot be installed to this disk. The selected disk is not of the GPT partition style”, it’s because your PC is booted in UEFI mode, but your hard drive is not configured for UEFI mode. You’ve got a few options:
Reboot the PC in legacy BIOS-compatibility mode. This option lets you keep the existing partition style. For more info, see Boot to UEFI Mode or Legacy BIOS mode.
Configure your drive for UEFI by using the GPT partition style. This option lets you use the PC’s UEFI firmware features.
You can preserve your data and convert the drive using the MBR2GPT tool. You can also choose to reformat the drive using the instructions below. Reformatting will erase all the data on the drive.
Why should I convert my drive?
Many PCs now include the ability to use the UEFI version of BIOS, which can speed up boot and shutdown times and can provide additional security advantages. To boot your PC in UEFI mode, you'll need to use a drive formatted using the GPT drive format.
Many PCs are ready to use UEFI, but include a compatibility support module (CSM) that is set up to use the legacy version of BIOS. This version of BIOS was developed in the 1970s and provides compatibility to a variety of older equipment and network configurations, and requires a drive that uses the MBR drive format.
However, the basic MBR drive format does not support drives over 4TB. It's also difficult to set up more than four partitions. The GPT drive format lets you set up drives that are larger than 4 terabytes (TB), and lets you easily set up as many partitions as you need.
Reformatting the drive using a different partition style
To wipe and convert the drive by using Windows Setup
Turn off the PC, and put in the Windows installation DVD or USB key.
Boot the PC to the DVD or USB key in UEFI mode. For more info, see Boot to UEFI Mode or Legacy BIOS mode.
When choosing an installation type, select Custom.
On the Where do you want to install Windows? screen, select each of the partitions on the drive, and select Delete. The drive will show a single area of unallocated space.
Select the unallocated space and click Next. Windows detects that the PC was booted into UEFI mode, and reformats the drive using the GPT drive format, and begins the installation.
To manually wipe a drive and convert it to GPT:
Turn off the PC, and put in the Windows installation DVD or USB key.
Boot the PC to the DVD or USB key in UEFI mode. For more info, see Boot to UEFI Mode or Legacy BIOS mode.
From inside Windows Setup, press Shift+F10 to open a command prompt window.
Open the diskpart tool:

Copy
diskpart
Identify the drive to reformat:

Copy
list disk
Select the drive, and reformat it:

Copy
select disk <disk number>
clean
convert gpt
exit
Close the command prompt window.
Continue the Windows Setup installation.
When choosing an installation type, select Custom. The drive will appear as a single area of unallocated space.
Select the unallocated space and click Next. Windows begins the installation.
Make sure Windows Setup boots to the correct firmware mode
To automate this process, you'll need to run Windows Setup through Windows PE, and use a script to detect which mode you’re in before installing Windows. For more info, see WinPE: Boot in UEFI or legacy BIOS mode.

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Author: verified_user

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