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‎06-21-2026 08:41 AM

HP Recommended
Product: HP EliteDesk 800 G8 Small Form Factor PC (27W70AV)
Operating System: Microsoft Windows 11

Hello everyone.

 

I encounter the following problem when trying to boot the PC using a bootable USB drive: "Selected boot image did not authenticate," and the PC boots into Windows 11 instead.

This happens with any USB drive, including those for Linux, HBCD_PE, EaseUS Todo, and other 3rdparty tools. Could this be due to the installation of new 2023 Secure Boot certificates and/or a BIOS update? I’m only noticing this now because I wanted to use several of these drives; I updated the BIOS to version 02.22.00 Rev.A three days ago.

"Sure Start Secure Boot Key Protection" and "MS UEFI CA Key" are enabled.

 

HP Elitedesk 800 G8 sff.

Windows 11  Pro updated.

HP Wolf Pro.

 

Does anyone know what the problem is and how I can fix it?

Regards, Ronald955

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