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Fallout 4: Turn off the frame rate cap on Windows PC using an Nvidia card

Those who’ve played Skyrim with an Nvidia card on Windows PC know there’s a little trick to get a bit more power from a Bethesda Game Studios title. Turns out, the trick works on Fallout 4 too.

Here’s how to turn off the game’s frame rate cap:

  • Ensure you have the latest Nvidia card drivers.
  • Open Fallout 4. Head to Options and make sure Motion Blur is off, God Rays are low and everything else is maxed.
  • Close Fallout 4.
  • Under your Fallout 4 game folder, find Fallout4Prefs.ini and make sure the file isn’t read-only.
  • Open Fallout4Prefs.ini with Notepad and change iPresentlnterval=1 to iPresentlnterval=0.
  • Save and close the file, then make it read-only.
  • Head into the Nvidia Control Panel, go to Manage 3D Settings, then its Program Settings tab.
  • Find Fallout 4.exe and apply v-sync.

Tada! Enjoy.

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Steve Wright

Steve's the owner of this very site and an active games journalist nearing twenty (TWENTY!?!) years. He's a Canadian-Australian gay gaming geek, ice hockey player and fan. Husband to Matt and cat dad to Wally and Quinn.