The Geforce 310M is a DX10 card. You need to set UE to DX9/SM4.
Since you are a developer i assume that your google skills are good enough to find further information by yourself 
The Geforce 310M is a DX10 card. You need to set UE to DX9/SM4.
Since you are a developer i assume that your google skills are good enough to find further information by yourself