Your operating system may be running the game with the wrong graphics card. To fix that, follow these instructions:

1. Right click on your desktop and select “NVIDIA Control Panel”

2. In “3D Settings”, click on “Manage 3D Settings”

3. Select the tab “Program Settings”

4. Under “1. Select a program to customise” > select the game executable (like Heavyrain.exe) (if it does not appear, you can add it to the list using the button “Add” on the right)

5. Under the “2. Select the preferred graphics processor for this program:” > select your “High-performance NVIDIA processor”

6. Click “Apply”