Mister Disagree

Step 1: Using the power switch, turn off the router and then turn it back on.
Step 2: Press Break on the terminal keyboard within 60 seconds of the power-up to put the router into ROMMON.
*Note:
HyperTerminal(Windows 2000) - Ctrl+Break
Terminal(Windows) - Break / Ctrl+Break

Step 3: Type confreg 0x2142 at the rommon 1> prompt to boot from Flash without loading the configuration.
Step 4: Type reset at the rommon 2> reset
*note: The router reboots but ignores its saved configuration.

Step 5: Type no after each setup question or press Ctrl-C to skip the initial setup procedure.

Step 6: Type enable at the Router> enable ...You'll be in enable mode and see the
Step 7: Router#copy startup-config running-config
Step 8: Router#configure terminal --> hostname(config)#.
Step 9: hostname(config)#enable secret cisco
Step 10: enter interface, type "no shutdown"..then view result using "show ip int br"
Step 11: Type config-register 0x2102
Step 12: Press Ctrl-z or end to leave the configuration mode.The prompt is now hostname#.
Step 13: Router#copy startup-config running-config