If the HDD or SSD is blank, the computer should boot right to Clonezilla. You may have to initiate the boot menu for the computer to select the flash drive. Apple computers hold down Option before the chime and select the boot device.
If this is a UEFI or Apple system, select to boot “To RAM”
On Legacy systems, select to boot to “Other modes of Clonezilla live” and then select the “to RAM” option.
(for loaners the path is /Clonezilla/Loaners)
After “Enter’ing” through this prompt.
Loading Clonezilla to RAM will cause the flash drive to be listed here.
Press “Enter” and type “Y” when prompted.
Choose “Shutdown” or “Reboot”.