Why UEFI only and have no legacy boot?

When i opened my laptop only show no bootable device. When i check the bios is only UEFI and haven't Legacy Boot?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2942205:01crwdne2942205:0:

Have you tried disabling "Secure boot"?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0