Reset Cisco Router no password

Connect the console cable to the router
Launch a putty COM session to the router
Power on the router
While it is booting press ctrl+PauseBreak
Enter the below commands:
confreg 0x2142 romon > confreg 0x2142 c
reset romon > reset d
The router will now reboot

Would you like to enter the inital configuration dialog? say no
R1 > enable
R1#wr
R1#reload
Would you like to enter the inital configuration dialog? say no
R1 > enable
R1#show version
Make sure configuration register is set to the default value of 0x2102 if not continue
R1#configuration terminal
R1(config)#config-register 0x2102
R1(config)#exit
R1#reload
.......Complete.......