A POSSIBLE FIX FOR FPS ISSUE ON THE NEW SR.
- Launch the NVIDIA Control Panel (should be an NV icon in the systray, the control panel is in the context menu if you right-click it)
- Select the "3D Settings/Manage 3D settings" task
- Change either Global Settings -or- Program Settings for the game client as follows: Antialiasing - Mode = Application-controlled
- Hit Apply, then close the NVIDIA Control Panel
- Open League of Legends.