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904 B
904 B
| layout | title | date | comments | categories |
|---|---|---|---|---|
| post | nVidia kernel module: key rejected | 2025-08-02 16:00:00 +0200 | true |
Situation
On a Dell Precision 7520 running Debian, I found myself switching between UEFI / secure boot and legacy BIOS boot, and having trouble restoring the right boot settings after reenabling secure boot.
The first problem was to identify the correct file to boot from: EFI/debian/shimx64.efi.
Kernel module load issue
After disabling secure boot and then reenabling it again, kernel modules not loading despite updating nvidia-driver and kernel-image
solution: reenroll MOK (Machine Owner Key):
mokutil --import /var/lib/dkms/mok.pub(set an import password)mokutil --list-new- reboot into MOK management => provide import password => key reenrolled
- modules loding :thumsbup:
Debian documentation: Secure Boot