Problem: You are an owner of modern PC with dual video adapters setup. A video card is pretty powerful, but LiF fails to start or running awfully slow with super low FPS.

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Summary:

Force launch LiF with powerful card selected.

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Details:

There is already code in game which tells system to select discrete card in dual GPU systems, but in some cases, additional manual manipulations are required to disable integrated one 

  • Launch application by selecting preferred video processor. Right click on application icon and select more powerful adapter 
  • Configure Nvidia* default setting. Force Nvidia control panel to select discrete adapter by default 
  • Setup new profile for LiF in Nvidia*. Optionally you can configure which adapter to be used by different applications. 
  • Disable integrated GPU in hardware management. Please only use as the last option as it can cause more issue with your graphic in other application including Windows

*Similar configuration should be available for AMD cards

This problem is well known and additional materials can be easily googled. Here are couple examples

http://www.tomshardware.co.uk/answers/id-2180988/forcing-dedicated-graphics-card.html
https://steamcommunity.com/app/22320/discussions/0/490124466478653678/

 

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