Password Recovery Procedure for the Cisco 806, 826, 827, 828, 831, 836, and 837 Series Routers

1. Attach a terminal or PC with terminal emulation to the console port of the router.
2. Press Break on the terminal keyboard within 60 seconds of power up in order to put the router into ROMMON
3. Type confreg 0x2142 at the rommon 1> prompt in order to boot from Flash.
4. Type reset at the rommon 2> prompt.
5. Type no after each setup question, or press Ctrl-C in order to skip the initial setup procedure.
6. Type enable at the Router> prompt.
7. Type configure memory or copy startup-config running-config in order to copy the nonvolatile RAM (NVRAM) into memory.
Important: Do not type copy running-config startup-config or write. These commands erase your startup configuration.
8. Type configure terminal
9. Type config-register 0x2102
10. Press Ctrl-z or end in order to leave the configuration mode.
11. Type write memory or copy running-config startup-config in order to commit the changes.