How to boot from a USB device on Lenovo ThinkPad T14s?

The best short solution to boot from a USB device on Lenovo ThinkPad T14s is:

Insert your bootable USB drive.

Power on the laptop and immediately press Enter to open the startup interrupt menu.

Press F1 to enter BIOS setup.

Navigate to Security and disable Secure Boot.

Go to Startup > Boot and set USB HDD or your USB device as the first boot priority.

Save changes (F10) and exit BIOS.

On restart, press F12 to open the boot menu and select your USB drive to boot from.

This method ensures USB boot is enabled and prioritized properly on Lenovo ThinkPad T14s

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