a) Turn the switch on with the com lead connected and with you preferred console ( putty) open
b) Press and hold the space bar button while the switch is booting up.
c) You will then enter "BOOTROM" mode, then:
d) Execute command "config none" and then reboot.
e)When the unit reboots wait until you see the master login and then enter
username: admin
password: <blank>
f) Then when you have run through the options type: unconfigure switch all
g)You have now returned your switch to factory
