USB devices refuse to show up in the boot menu

My laptop is ASUS Vivobook S14. System is UEFI, non-CSM. I have 2 USB that I did this test on : 16GB TOSHIBA, 8GB Lexar. The OS that I've been meaning to boot is the newest Tails OS (7.4.2) that's downloaded from the Windows Installation window from the official tails.org website itself. Both my devices has been flashed with : Rufus, with the settings of GPT partition, and UEFI (non-CSM)* BalenaEtcher And yes, it's fully cleaned before it was flashed. I tried both left side and right side port of the laptop. I've disabled secure boot and fast boot. There's no UEFI firmware settings user nor ad

Question by Aval Karif on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.