Live USB boot error

LIVE USB Booting ERROR for Ubuntu later than 20.04 - that is Ubuntu v.22 and v.24: "Operation System not found"?

LAPTOP: Dell XPS L502XBIOS: Phoenix Secure Core TianoLegacy BOOT

LIVE USB Flashing Approaches:

1. dd

$ sudo dd if=/path/to/ubuntu24 of=/dev/sd? bs=512 status=progress

2. Balena Etcher

NOTE: Same dd script works for any other OS, and for Ubuntu 20.04 too. Can somebody please help!