UE5 Does Not Detect DX12, Although it is selected in settings

Hey everyone, lets make it short.
im using UE 5.3.2 and i have been trying to get it to track facial features on metahumans plugin, but everytime i select the pose, it never detects DX12 then i go to settings to set the RHI to DX12, but its already set to DX12!!! i restarted and restarted, please help