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‎07-15-2023 01:59 PM

HP Recommended
Product: Elite 8200 SFF

The "Ubuntu" boot entry has become *hard-burned* into the chips of the desktop's mainboard and persists in the BIOS boot menu despite all attempts to remove it.

 

At this point I have no hard drives or storage devices whatsoever even connected to the computer in question. No internal SATA drives, no external USB drives, nothing. So the BIOS cannot be reading the grub config entries or EFI partitions of any connected device, because there are no connected devices at all. It is just the mainboard, graphics card, monitor, and keyboard. That's it.

 

And yet when I hit ESCAPE during startup/post and select "Boot Options" from the BIOS menu, "Ubuntu" appears there every single time, no matter what, despite no hard drives/devices being connected to the mainboard.

 

How do I remove this entry permanently? Note that I do not have access to Microsoft Windows, and so I cannot run any Windows-related tools for accessing EFI firmware settings.

 

How can I remove this old obsolete boot entry using only the BIOS/CMOS utilities directly, alone?

 

Thank you.

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