Switching Back To The Default Firmware Image - Fortinet FortiGate FortiGate-500 Administration Manual

System status
FortiGate-500 Administration Guide
If you successfully interrupt the startup process, the following message appears:
[G]: Get firmware image from TFTP server.
[F]: Format boot device.
[B]: Boot with backup firmware and set as default.
[Q]: Quit menu and continue to boot with default firmware.
[H]: Display this list of options.
Enter G,F,B,Q,or H:
4 Type B to load the backup firmware image.
The FortiGate unit loads the backup firmware image and restarts. When the FortiGate
unit restarts, it is running the backup firmware version and the configuration is set to
factory default.

Switching back to the default firmware image

Use this procedure to switch the FortiGate unit to operating with the backup firmware
image that had been running as the default firmware image. When you switch to this
backup firmware image, the configuration saved with this firmware image is restored.
To switch back to the default firmware image
1 Connect to the CLI using the null-modem cable and FortiGate console port.
2 Enter the following command to restart the FortiGate unit:
execute reboot
As the FortiGate units starts, a series of system startup messages are displayed.
When the following message appears:
Press any key to enter configuration menu.....
......
3 Immediately press any key to interrupt the system startup.
Note: You have only 3 seconds to press any key. If you do not press a key soon enough, the
FortiGate unit reboots and you must log in and repeat the
If you successfully interrupt the startup process, the following message appears:
[G]: Get firmware image from TFTP server.
[F]: Format boot device.
[B]: Boot with backup firmware and set as default.
[Q]: Quit menu and continue to boot with default firmware.
[H]: Display this list of options.
Enter G,F,B,Q,or H:
4 Type B to load the backup firmware image.
The FortiGate unit loads the backup firmware image and restarts. When the FortiGate
unit restarts it is running the backup firmware version with a restored configuration.
01-28006-0007-20041105
Changing the FortiGate firmware
command.
execute reboot
45