The PC intended to be imaged will not boot into the automation environment (i.e. WinPE 10) and instead returns to its production operating system (i.e. Windows 10).
GSS 3.X
The hard drive with the production OS is being accessed before the intended boot medium.
1. Reorder the PC's 'boot order' in the BIOS/EFI menu.
2. Boot your computer to the BIOS/EFI screen
3. Find the Boot order (sequence)
4. Set the boot order to your desired bootable media