Changes
#*startup.nsh
#*ShellFlash64.efi
#Ensure no other boot-able USB devices connected
#Power on IPC2, enter BIOS by pressing F2. Go to "Boot Features" and set "Legacy Boot" to "Disable"
#Check on the "Boot" tab that inserted USB listed as first boot device, otherwise change the boot order accordingly
#Go to "Exit" and press "Exit Saving changes"
#Wait for "BIOS is updated successfully. Press any key to continue ..." message
#Remove USB disk and press ENTER
#System may do several power cycles and then boot normally