Proxmox install on Intel NUC: “A bootable device has not been detected” (NUC6CAYH)

If you face the error message “A bootable device has not been detected” after installing Linux on an Intel NUC (serie 6), one solution is to enable both UEFI and “Legacy” boot options in the BIOS.

I finally managed to install Proxmox VE (based on Debian) on an Intel NUC (model NUC6CAYH) in “Legacy” mode (boot through Grub). My BIOS version is AYAPLCEL.86A.0064.2019.0910.1422 (as show through the dmidecode -s bios-version command), and I have the following settings :

  • UEFI boot checked
  • Legacy boot checked
  • Secure Boot deactivated

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