Using the Nvidia Optimus Graphics feature

Some Lenovo notebook computers support Nvidia Optimus Graphics.

Nvidia Optimus Graphics enables a dynamic switch, that is, a switch with no need to restart your computer between High Performance and Energy Saving.

Switching the Graphics Processing Unit

If your computer supports Nvidia Optimus Graphics, the Graphics Processing Unit is switched automatically depending on the power settings you use.

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Lenovo V480C, V580C manual Using the Nvidia Optimus Graphics feature, Switching the Graphics Processing Unit