Cursor is not visible

For some reason, the cursor on the screen has disappeared. I don't know what to do to get it back. I can't get to do anything on my laptop as I can't click on anything.

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

crwdns2934109:0crwdne2934109:0

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