Installation, not booting from USB or DVD

[kuchenmann]

Well, I’ve found information here, tried it with Fedora 36, this is installing now.
Hopefully it’s easier to upgrade than to install Fedora.

Install media don't boot in UEFI mode on certain motherboards

Problem Fedora 37, 38 and 39 install media don’t boot on certain motherboards. You might see an error similar to the following (or none at all): Invalid image Failed to read header: Unsupported Failed to load image: Unsupported start_image() returned Unsupported Cause A problem was identified and fixed in shim, an initial UEFI bootloader. Unfortunately, due to a difficult certification process for this component, the fix isn’t present on specified install media. Related Issues Bugzill…