que posee un procesador Intel core I5-4210U y posee una tarjeta gráfica de 2g pero me sale dedicada 0 (cero) a video
In most cases, the computer manufacturer has already configured the system to use the maximum amount of graphics memory that is possible for your particular computer model. Sometimes you can change these values through BIOS level.
If you are interested in additional information see graphics memory frequently asked questions:
Check with your computer manufacturer if there are tips on increasing the amount of graphics memory for your computer model.