Lock out no access
Lock out of my mac
crwdns2934109:0crwdne2934109:0
crwdns2889612:0crwdne2889612:0
0
crwdns2936751:024crwdne2936751:0 0
crwdns2936753:07crwdne2936753:0 11
crwdns2936753:030crwdne2936753:0 23
crwdns2942667:0crwdne2942667:0 156
Locked out as in iCloud lock or just the user password?
Last resort would to wipe the drive and do a clean install.
crwdns2934271:0crwdnd2934271:0 livfe crwdne2934271:0
What does the screen show you? You could have either a firmware (system) password or a drive PIN lock in this series. Take a photo and paste it here so we can see it.
crwdns2934271:0crwdnd2934271:0 DanJ crwdne2934271:0