Launch a custom game if you haven't played the game recently and then exit the game.
Go Nvidia Control Panel
-Manage 3D setting
---Add all League of Legends iconed things
----set everything besides League of Legends (TM) Client to your non gaming graphics card/chip and set League of Legends (TM) Client to High- preformanse Nvidia Processor
Enjoy BFBless full screen.
PS. All card/chips must be hard selected and not chosen by the control panel
This board is the best place to discuss the client with Rioters and your fellow players, although it won't be our main source for feedback resolution. Look to the other tools, like the Submit Feedback button in the client, for that. As always, please follow the Universal Rules and keep content focused on appropriate topics for this board.