My password was changed by someone

I bought one of the first alphasmart devices. Someone changed the password ; can anyone fix this? I even tried sending it back to the company (years ago), and they couldn't help me.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0