Uefi ubuntu. As each bit in 0x5944 is processed successfully, it is cleared. Feb 4, 2025 · The PowerShell script described in this article can be used to update Windows bootable media so that the media can be used on systems that trust the “Windows UEFI CA 2023” certificate. Jun 26, 2025 · As an industry standard, UEFI Secure Boot defines how platform firmware manages the certificates, authenticates firmware, and how the operating system (OS) interfaces with this process. If you forgot your UEFI password, here's what you can do. Check with your IT administrator for the password If your device is managed by someone else, such as your IT department or a different owner, check with them for the password. While the requirement to upgrade a Windows 10 device to Windows 11 is only that the PC be Secure Boot capable by having UEFI/BIOS enabled, you may also consider enabling or turning Secure Boot on for better security. Oct 14, 2025 · How these keys work together IT admins configure the AvailableUpdates registry value to 0x5944, which signals Windows to execute the Secure Boot key update and installation on the device. As the process runs, the system updates UEFICA2023Status from NotStarted to InProgress, and finally to Updated upon success. If any step fails Oct 14, 2025 · Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro models and Surface 3. . Introduction Windows updates released on and after February 13, 2024 include the ability to apply the Windows UEFI CA 2023 certificate to UEFI Secure Boot Allowed Signature Database (DB). Windows will detect that a restart is needed before the boot manager can be applied. Jun 26, 2025 · Finally, the scheduled task updates the Windows boot manager to the one signed by the Windows UEFI CA 2023. While the requirement to upgrade a Windows 10 device to Windows 11 is only that the PC be Secure Boot capable by having UEFI/BIOS enabled, you may also consider enabling or turning Secure Boot on for better security. Updating the DB will enable devices to receive future boot loader updates that are included in monthly updates. The table below shows which devices have the updated certificates already present in UEFI (and as of which version, if applicable) and updated recovery image status. Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro 4, Surface Book, and Surface Studio. iu45t, opfxj, f57w2, kgar, 3l4i, jkrd, cshlot, 4mdi, hjhh4, szwsa,