I was trying to do a password recovery on a Cisco 4000 router and when it came to rebooting the router, it then became locked. I can no longer access the router through Hyperterminal. I have also tried to access the router through the network port but with no success. Is there any kind of hardware reset to set it back to some kind of default on this type of router. Any assistance with this issue would be appreciated.
Well, there can be 2 issues. The first one is that you set a wrong config-register value and now the console port speed is not 9600 baud anymore. Try different hyperterminal settings for the console speed.
On the other end, it is also possible that the router has a hardware problem. If you reload it, do you see anything on the console ? If yes, at which point in the boot sequence is the router hanging ? You can also try to remove all network module and try to reload it in case one of the module is broken.
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