How configure SO FortiOS by server TFTP

[secdetkrypton]

I need configure SO to FOrtigate 60F, i try reset with a button reset but i see the next menssage, i need know how charge a FOrtiOS by TFTP server 

Booting OS...
No default firmware.
Error: Default firmware boot failed!!!
Switch to BACKUP after 58 seconds. Press any key to stop..
FOS boot failed. You may try backup.
Please power cycle. System halted.

[patelr]

Hello @secdetkrypton 

Are you talking about installing FortiOS firmware with the help of TFTP server ? If yes, please review https://community.fortinet.com/t5/FortiGate/Technical-Tip-Formatting-and-loading-FortiGate-firmware-...

Thanks,

Ronak Patel