1- press "SPACE BAR" when asked
2- at the prompt disable watchdog : watchdog disable
3- Enter recovery mode by typing: recovery
4- at the CLI prompt type: configuration
5- set system root-quthen plain-text-password
>>> type the new password
1- press "SPACE BAR" when asked
2- at the prompt disable watchdog : watchdog disable
3- Enter recovery mode by typing: recovery
4- at the CLI prompt type: configuration
5- set system root-quthen plain-text-password
>>> type the new password