WatchGuard Technologies FireboxTM System 4.6 - Manual (Page 36)

Reinitializing a misconfigured Firebox
26
4 When you complete the QuickSetup wizard, remove the loopback cable
(assuming your Firebox has one) and return the Firebox to its regular position in
your network. The Firebox resumes normal operation the next time it restarts.
Some Fireboxes have a factory default button. To place the unit into factory default
mode, press and hold this button during power-up
Booting from the system area
You can also use the Flash Disk Management Tool to boot into the system area (Sys B)
for recovery of a Firebox. For information on using the Flash Disk Management Tool,
see the Reference Guide.