(Tested on Fedora 35)
These are the steps I followed to enable Nvidia proprietary drivers boot with SecureBoot on my laptop without disabling UEFI Secure Boot. They're nearly identical to the process described on [Øyvind Stegard's blog][blog], save for a few key details. The images here are borrowed from the [Systemtap UEFI Secure Boot Wiki][systemtap].
- Install the Nvidia proprietary driver from the Rpmfusion repo (this might be different for your platform).