Actually I just checked and for GPU usage, its using Intel (Power Saving Mode) not Nvidia (Performance Mode).
Intel (Power Saving Mode) is selected within Nvidia X Server Settings, when selecting Nvidia (Performance Mode), I get prompted for my password, after entering my password it just gives a small blank window (no text in it) with an OK button to click on. Clicked on OK and the selection reverts back to Intel (Power Saving Mode).
Actually I just checked and for GPU usage, its using Intel (Power Saving Mode) not Nvidia (Performance Mode).
Intel (Power Saving Mode) is selected within Nvidia X Server Settings, when selecting Nvidia (Performance Mode), I get prompted for my password, after entering my password it just gives a small blank window (no text in it) with an OK button to click on. Clicked on OK and the selection reverts back to Intel (Power Saving Mode).