Q: My macbook pro2013 only boot in bootcamp windows option

Hi,my macbook pro 1502 don't boot in own os x (only bootable in boot camp windows),and i have only sound but don't have apple sign on desktop, and If i connect a HDMI cable go to tv display i have normal pictures and boot (in both of os x & windows).Noticable point is ;when i boot with option key ,ot in boot camp partision!!! Is there any body help me???(i don't access to official appstore  ).