ERROR : BIOS/LEGACY BOOT OF UEFI-ONLY MEDIA
This drive was created by rufus [https://rufus.ie].
It can boot in UEFI mode only but you are trying to boot it in BIOS/Legacy mode. THIS WILL NOT WORK!
To remove this message you need to do ONE of the following:
If this computer supports UEFI, go to your UEFI settings and lower or disable the priority of CSM/Legacy mode.
OR Recreate the drive in Rufus and use:
Partition schene - MBR.
Target system - BIOS (...)
OR Erase the whole drive in Rufus by selectyng:
Boot Type - Non bootable