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Mass Effect 1 Legendary Edition Mouse Acceleration: How to Fix

No more over rotation using the mouse.

Mass Effect 1 Legendary Edition did undergo a massive overhaul but issues like its Limited FOV and Mouse Acceleration remain. This is pretty frustrating as even a small movement of the mouse will have you spinning. However, the gaming community has got your back. As always the sheer amount of mods available for Mass Effect have come through to help fix the problem. So, let’s find out how to fix the Mouse Acceleration issue in ME1.

How to fix Mouse Acceleration issue in Mass Effect 1


How to Fix Mass Effect Legendary Edition Mouse Acceleration
The gaming community has once again come to your rescue.
  • Download the Raw Mouse Input file from the interlinked article.
  • Open the file and go to the .zip folder.
  • Inside the .zip folder, you will find a dinput8.dll file.
  • Right-click on it and click on extract to a specific folder.
  • Shift this file to C:/Program Files (x86)/Steam/steamapps/common/Mass Effect/Binaries/.
  • Now open your Steam or Origin application.
  • Find the game and launch it.

Also Read: Best Mass Effect Legendary Edition Mods


This will fix the Mouse Acceleration issue. It will also change the mouse motion to a more raw input-oriented approach. With this, there will be no additional positive-negative mouse accelerations in the gameplay. This file also stops mouse smoothening. If you do want to alter the feedback settings you can do so directly from the in-game menu. This mod also doesn’t affect the game in any manner. If you want to uninstall it all you have to do is go back to C:/Program Files (x86)/Steam/steamapps/common/Mass Effect/Binaries/ and either rename the dinput8.dll file or simply remove it from the folder. BioWare doesn’t have any official patch in the works for this which is disappointing since this issue was prevalent in the original Mass Effect1. It might get sorted out in a future update but we can’t be sure of that.

This is everything you need to know about how to fix Mouse Acceleration in Mass Effect 1 Legendary Edition. While you are here make sure you visit our Mass Effect Legendary Edition Wiki to learn more about the game.