You need to consult an attorney. Generally, I know of at least one way to revive a dormant judgment but it is time sensitive and fact specific.
I have more questions than answers. What post judgment devices did you use to attempt to collect the judgment (ie writ of execution, etc.)? When?
Generally, a judgment lapses if no efforts to collect the judgment are made within a ten-year period. So if you get the court to issue a writ of execution and have the constable or marshal attempt to execute it in the county of judgment, and it comes back "no assets," then the judgment will be renewed for another ten years. If those efforts are not made, the judgment lapses and any lien based on the judgment is void.