It is working now so with Bios set to Auto (legacy First) and the exit mode set to GRUB_FIRST_HDD it boots!!! I tried it with UEFI and it didn’t work which is why I went to auto.
Thanks for the help I appreciate it!
I am running Fog 1.5.8 on Debian 9 its a fresh install with fog as my DHCP server I was able to upload a Windows 10 image but when I try and deploy it on a Lenovo desktop I get the following error “chainloading failed hit “s” for the ipxe shell”. and it restarts and goes into a loop, anyone have any ideas?