The system will prompt you:
: Once logged in, type execute factoryreset and confirm. Post-Reset Defaults fortigate 30d factory reset full
(Use only if documented for your firmware.) The system will prompt you: : Once logged
BIOS> format bootdevice BIOS> tftp
: Continue holding the button for about 30 seconds after power-up, or until the Status LED begins to flash, then release. Method 2: CLI Command format bootdevice BIOS>