Can you run games without a graphics card?

You have a GPU integrated in your CPU, and it can play non-demanding games just fine. Without any GPU you wouldn’t be able to use your PC. Something needs to draw and output the image to the monitor.

How do I force a program to use a specific graphics card?

If you have an Nvidia graphics card, open the Nvidia control panel. In the left pane, select Manage 3D settings. In the right pane, under Global Settings tab, click on the drop-down menu under Preferred Graphics Processor. Select the graphics card you wish to set as default, then click Apply to enforce the changes.

How much RAM do I need for 3d rendering?

A pro workstation needs a baseline of 16 GB of system memory. Most applications for 3D and CAD suggest 8 GB minimum to run. With 16-32 GB you will notice snappier performance. Just understand that maxing out the DIMM slots with system memory will not compensate for an underperforming or bottlenecked CPU and GPU.

Can I run Windows 10 without graphics card?

Here’s what Microsoft says you need to run Windows 10: Processor: 1 gigahertz (GHz) or faster. RAM: 1 gigabyte (GB) (32-bit) or 2 GB (64-bit) Graphics card: Microsoft DirectX 9 graphics device with WDDM driver.