Error Missing DLL: dxgi.dll Function: CreateDXGIFactory1 while starting battlefield 4

Try this. It might sort you out.

-Reinstall DirectX.
1:go to C:\Program Files (x86)\Origin Games\Battlefield 4\__Installer\directx\redist
2:Find file named DXSETUP.exe and double click it (while connected to the internet). Install it. It should update your DirectX install.
3: You might need to reboot computer first.
4: try to launch game.