As you can see the bootable USB is being auto detected. When I keep the USB inserted and restart the laptop, the USB booting option doesn't show up.
What information do I need to present here in order for you to help me?
Default OS: Ubuntu 20.04
Laptop: DELL
BIOS Setup -> Boot Options ->
Boot Mode
Boot Mode UEFI Only
Boot sequence:
(tick marked in this order)
ubuntu
UEFI SSD 128GB <a long number>