How to fix time out waiting for prom start bit to be 0 (0xff) error in screen OS Firewall

view story

http://www.debianadmin.com – This error occurs can occur when A failed Screen OS upgrade, when the firewall reboots and the Screen OS image is corrupted A failure to properly load the Firewall Screen OS resulted in this error. Reboot the firewall, by physically powering it down for 60 seconds, then power it back up. Check to see if [...] (Distributions)