Problem
Lenovo ThinkPad X13s (an ARM-based laptop) doesn’t boot with Fedora 40 install media.
You can discuss this topic here.
Cause
The hardware is not officially supported on Linux by Lenovo. The community kernel drivers don’t support this hardware yet.
Related Issues
Bugzilla report: 2254940 – installer bootargs not carried over to installed system
Workarounds
See Thinkpad X13s Fedora wiki page for instructions on how to proceed.