1. Install serial USB dongle
2. Putty ... set to serial com number
3. power on the cisco 17xxx
4. on terminal type config t
5. type config-register 0x2102
6. type end
7. CTRL + Z
8. type erase startup-config
9. type CTRL+Z
10. type reload
11. System configuration has been modified. Save? [yes/no]: n
Proceed with reload? [confirm] ---> Enter
