My blu screen turning black after i've tried factory reset

my blu won't power back on after I've powered it off, I tried to do a factory reset and the screen goes blank/black when it reaches 'formatting data'. What does this mean?

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

crwdns2934109:0crwdne2934109:0

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