Could not start my MacBook
My macbook air could not start. I boost it and then blackscreen few second then turn it off automatically . Plz help
crwdns2934109:0crwdne2934109:0
crwdns2889612:0crwdne2889612:0
1
crwdns2936751:024crwdne2936751:0 1
crwdns2936753:07crwdne2936753:0 1
crwdns2936753:030crwdne2936753:0 1
crwdns2942667:0crwdne2942667:0 64