Why does my bluetooth not work? It cannot connect to anything.

I can't connect anything to my mac and the bluetooth sign at the top of the display screen has a squiggly line going through it.

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

crwdns2934109:0crwdne2934109:0

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