Can I reinstall Windows 10 with UEFI?

Can I reinstall Windows 10 with UEFI?

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How to Install Windows® 10 to a GUID Partition Table (GPT) Partition

Documentation

Content Type Install & Setup

Article ID 000025535

Last Reviewed 11/07/2022

We recommend performing Windows® 10 installations enabling UEFI with a GUID Partition Table (GPT).

Some features may not be available if you use the Master Boot Record (MBR) style partition table. System acceleration with Intel® Optane™ memory is not available when using MBR.


Configure a system to install an OS to a GUID Partition Table (GPT) partition

Note
  • We highly recommended performing a backup of your data. If you have a second disk drive with enough available capacity, you can create a system image and recover the full installation as it was before you started this procedure.
  • Screenshots and directions below are examples. Consult with your motherboard or system manufacturer for specific BIOS instructions.
  1. Connect a USB Windows 10 UEFI install key
  2. Boot the system into the BIOS (for example, using F2 or the Delete key)
  3. Locate the Boot Options Menu
  4. Set Launch CSM to Enabled. If CSM is set to Disabled, you can skip to step 8 below
  5. Set Boot Device Control to UEFI Only
  6. Set Boot from Storage Devices to UEFI driver first
    Can I reinstall Windows 10 with UEFI?
  7. Save your changes and restart the system
  8. Reenter the BIOS (for example, using F2 or the Delete key)
  9. Confirm in the Boot Priority List that the USB UEFI OS Boot option is at the top of the list
    Can I reinstall Windows 10 with UEFI?
  10. Reboot the system and install Windows as usual

Confirm that Windows is installed to a GPT partition

  1. Boot into Windows
  2. Open Disk Manager (For Windows 10, press the Windows key and the X key simultaneously, then click Disk Manager)
  3. You see three partitions including the EFI System Partition
    Can I reinstall Windows 10 with UEFI?
  4. Right-click the disk shown as (Disk x, Basic, Capacity, Online) on the left
  5. Select Properties
  6. Click the Volumes tab
  7. Here you can confirm the Partition style
    Can I reinstall Windows 10 with UEFI?

This article applies to 7 products.

Intel® Optane™ Memory M15 Series

Discontinued Products

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How to reinstall Windows 10 with UEFI?

Connect a USB Windows 10 UEFI install key..
Boot the system into the BIOS (for example, using F2 or the Delete key).
Locate the Boot Options Menu..
Set Launch CSM to Enabled. ... .
Set Boot Device Control to UEFI Only..
Set Boot from Storage Devices to UEFI driver first..
Save your changes and restart the system..

Can Windows 10 run on UEFI?

You can install Windows 10 on a UEFI-based PC. Just use these tools to create a compatible USB flash drive to complete the task.

Can we install Windows in UEFI mode?

Press F5 during boot until the One Time Boot menu appears. Choose the USB HDD option from the list of bootable devices. Windows installation process will start.

How to reinstall Windows 10 without losing data on UEFI?

To convert it without data loss and then change BIOS to UEFI without reinstalling the operating system, you can turn to AOMEI Partition Assistant Professional. This software can convert disk (either system disk or data disk) between MBR and GPT without deleting any existing partitions.