Internet search for how to replace a lost root password. This is easy to do. But to do this you need to get in to the broken system with root privilages which this article explains.
If that does not work you will need to be more specific about:
Internet search for how to replace a lost root password. This is easy to do. But to do this you need to get in to the broken system with root privilages which this article explains.
If that does not work you will need to be more specific about: