Was trying to add a 54xx to use AAA authentication.

The local name and password were working.

I added the AAA command which I forgot which 1.

But I get asked for a user name, I key it in and takes it

then pops back with the username again.  I have tried my ACS name & PW and i have tried the local name & PW and fails, I have tried mixing them with no luck

is there a way to clear the PW without a factory reset?  

On my HP switches they have clear hole to just clear the PW?

does the dell have anything like that?