In the newly created boot directory, rename shimx64.efi as bootx64.efi: mv /boot/efi/EFI/shimx64.efi /boot/efi/EFI/bootx64.efi

Windows 10 Windows 10, version 1607, all editions Windows Server 2016, all editions Win 10 Ent LTSC 2019 Win 10 IoT Ent LTSC 2019 Windows 10 IoT Core 2019 LTSC Windows Server 2019 Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Enterprise Multi-Session, version 21H2 Windows 10, version 22H2, all editions Windows 11 version 21H2, all editions ...

For Windows 10 and later versions, a Windows Defender Application Control (WDAC) policy will be used that blocks vulnerable Windows boot managers. When the policy is applied to a Windows system, the boot manager will “lock” the policy to the system by adding a variable to the UEFI firmware.

Recovery procedure. References. Change log. Summary. This article describes the protection against the publicly disclosed Secure Boot security feature bypass that uses the BlackLotus UEFI bootkit tracked by CVE-2023-24932, how to enable the mitigations, and guidance on bootable media.

You should now see the Surface UEFI. You'll need to follow specific instructions for your Surface to proceed. Change the boot order. You'll need to change the boot order so that your Surface boots from a USB.

Before you begin, determine your device model and manufacturer. You'll need this info later in the process. Step one: Access the UEFI (or BIOS) Step two: Make changes in the UEFI (or BIOS) Step three: Turn on Virtual Machine Platform in Windows. Related topics. More help on Microsoft Docs.

Fixes a "TFTP download failed" error message. You receive this error message when you perform a PXE boot on a client computer that connects to a Windows Deployment Services server that is running Windows Server 2008 R2.

From the next screen, select Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make changes. To change these settings, you will need to switch the PC boot mode from one enabled as “Legacy” BIOS (also known as “CSM” Mode) to UEFI/BIOS (Unified Extensible Firmware Interface).

Before you begin. A recovery drive lets you reset your Surface to its factory settings and can help you troubleshoot and fix problems with your Surface device. Windows comes with a built-in tool to create a USB recovery drive. You'll need to provide an external USB drive that:

Windows 8.1. Windows 10 (Then select Download now.) Windows 11 (Then select Download now .) Important: Back up your files before you install or reinstall Windows on your PC. Learn how. To create the installation media, here's what you'll need: A PC with a reliable internet connection.