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---
title: Mouse Acceleration
category: macOS
updated: 2018-03-20
weight: -1
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keywords:
- "defaults write .GlobalPreferences com.apple.mouse.scaling -1"
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intro: |
Disable mouse acceleration with this one weird trick.
---
## Acceleration
### Disabling
```bash
defaults write .GlobalPreferences com.apple.mouse.scaling -1
```
Note: Log out to take effect. If you change *Tracking Speed* under System Preferences, it will undo this fix. Only affects the mouse, not the trackpad.
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### Re-enabling
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Under *System Preferences* → *Mouse* , change *Tracking Speed* .
### Trackpad acceleration
```bash
defaults write .GlobalPreferences com.apple.trackpad.scaling -1
```
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Works the same way, but only affects trackpads.
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## References
- [Disabling mouse acceleration ](https://stackoverflow.com/questions/5782884/disabling-mouse-acceleration-in-mac-os-x ) _(stackoverflow.com)_
