I lost the remote controller

I have a password on my projector, whenever it turns on I put it and proceed, then, recently I lost the remote controller, so I want to remove the password, what can I do? Please help

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

crwdns2934109:0crwdne2934109:0

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