i can't see the main screen

[Jua12]

Hi 

I received this device today

And just now i set up the safe space of VR.

But after that,  i cant see main screen 

I mean the main app screen 

Even i clicked oculus button, it still not work 

So it stocked on waiting display, based orange color 

Pls asnswer me ASAP 

Thank u