My bluetooth is not switching on

I try to switch on my bluetooth,it does not and when I cancel,the phone losses the signal,what could be the problem

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

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
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