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‎06-26-2025 11:55 AM

HP Recommended
Product: HP OmniBook Ultra 14 inch Laptop Next Gen AI PC 14-fd0000 (A4AD0AV)
Operating System: Ubuntu LTS

Hi,
I can't find an existing solution that works for me, hope anyone can help.

 

I just installed Ubuntu 24.04.2 LTS on my OmniBook Ultra and it only works as long as I keep Secure Boot disabled in the BIOS.

 

As soon as I enable Secure Boot, I am hit with an error message "Selected boot image did not authenticate".

 

I have found suggestions to go into the Secure Boot settings in Bios and check the "Enable MS UEFI CA Key" option.

However, my BIOS (newest version, freshly updated to 01.01.16 Rev.A) does NOT have such an option.

 

Since I would like to enable this recommended security feature, please advise me how to enable the MS UEFI CA Key on my device, or how to otherwise add my Ubuntu Bootloader to the list of trusted boot images.

 

Thanks

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