Get Error Running Template Project Unreal 14.3

I get some error when running unreal vr preview, my application not mirrored normally, in my headset its showing black side and swapping when i close one eye its show normally but have black side… i’m using Laptop Asus ROG GL502V… this problem when i’m using unreal 4.14 so help me pls… ty
but i’m using desktop its running normally so i dont whats wrong with this problem…