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Problem with Preview Rendering Level on Linux Ubuntu

Hello!
Friends I am with a problem involving the Preview Rendering Level of Unreal Engine on Linux.
What happens is that as much as I update my OpenGL, the engine simply does not activate the Preview Rendering Level 5.
My PC settings are:

Processor: Intel Core i7-3612QM
Memory: 8 gb
GPU: Nvidia 630m
OS: Ubuntu 14.04.2
Driver: Nvidia 3.46 (PS: the driver is proprietary, downloaded directly from the Nvidia website.)
Engine version: 4.70

Below are some screenshots showing the problem.

Here is a Screenshot of preview rendering level.
1e43b098265754e7a4c802f701ebad6bd9ff3207.jpeg

Here is a screenshot of glxinfo | grep OpenGL.
1bed4efb138e52adf09330e68ec70762548ce3a1.png

Grateful for the attention

I know this post is suuuper old, but just for people looking for a solution of the same issue. UE4 on Linux uses as default OpenGL 3.2 for the editor or the game. So every time you start the editor or the game it will be OpenGL 3.
Start the Editor or the Game using the flag ‘-opengl4’ to get into OpenGL 4.3 mode. After this you will be able to select between Render Level Shader Model 4 and 5.

I have a simmilar issue, I’m on OSX yosemite using UE4.9 and all I see in the menu is Mobile/HTML5. Can anyone help me? I’ve searched everywhere and found nothing.