Why is Proxmox still in boot order after wipping BIOS?

donutgonuts

New Member
Jul 11, 2021
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I'm using an ASRock B460M Pro4, which appears to be linux compatible.

Last week the Proxmox single node (bare metal) hanged and I had to do a hard reboot, which then corrupted my boot drive (an SanDisk M.2 SSD).

I tried to swap it with a brand new Crucial M.2, but the motherboard is not detecting any M.2 drive. The SATA ones are fine.

Then I tried to do a hard-reset of the BIOS by cutting power and removing the battery. When I boot up without any disks, I can still see a "Proxmox" in the boot order, while all BIOS settings have been restored.

Is there somthing that I missed? Is it a bad idea to use a M.2 SSD as the Proxmox boot drive?
 
maybe the bios reset does not reset the efi entries?
 

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