You went from a old Legacy board to a new UEFI board. You will have to change it to boot legacy. What you are looking for is in the Bios Features.
In there you can change it to what device you want to boot from. Once you change it save and exit and reboot.
Hard Drive BBS Priorities
Specifies the boot order for a specific device type, such as hard drives, optical drives, floppy disk drives,
and devices that support Boot from LAN function, etc. Press <Enter> on this item to enter the submenu that
presents the devices of the same type that are connected. This item is present only if at least one device
for this type is installed.
