try - username: cisco, password: cisco
if not follow reset butting as mentioned in the document :
make sure check the CAPs lock on something like that, make sure you type the password notepad and see is that what working ?
if you do not have one reset the device and setup a username and password.(do not write information to device,) test is this working ?
A mi también me pasa lo mismo, apago y enciendo el switch e ingreso en modo recuperación, en la flash me dice que no hay o no esta el archivo.
List of filesystems currently registered:
switch: dir flash
unable to stat flash/: no such device
switch: dir flash/
unable to stat flash//: no such device