Fallout New Vegas Nvidia FPS issues
Download this .dll
Place the .dll in your \Documents\My Games\Fallout folder and then copy the file, then paste it into your Steam\steamapps\common\fallout new vegas folder.
Open your NVIDIA Control Panel and select Fallout New Vegas from the first dropdown menu.
Select Integrated graphics from the second dropdown menu and click â€œApplyâ€ in the lower right corner of the window. Close the NVIDIA Control Panel.
Launch Fallout: New Vegas and click Options in the launcher. Set the detail to Low and use the lowest screen resolution possible.
Now click Play, load up a save, walk to the nearest human NPC, and start a conversation. If you DO NOT notice a drop in FPS during the conversation, continue on to step 7. If you DO notice a drop in FPS during the conversation then you have followed steps 1 and 2 incorrectly.
Quit the game to desktop. Now open the launcher again and click Options. Your graphics adapter should now be listed as the NVIDIA GeForce X. Set the detail to your desired level, readjust your Aspect Ratio and Resolution, and exit the Options pop-up. Minimize the launcher but do not exit it.
Open up your NVIDIA Control Panel again. Now select the High-performance NVIDIA processor from the second dropdown menu and click Applyâ€ in the bottom right corner. Close the NVIDIA Control Panel.
Restore the Fallout: New Vegas launcher and click Play.
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