Mouse Acceleration in OSX

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827538

macrumors 65816
Original poster
Jul 3, 2013
1,250
1,104
So I've had my first Mac since November and truly love it. I also really like OSX (aside from some really minor things).

Well I've tried out the Magic mouse and while nice it's pretty useless for what I use it for (gaming) so I went and got a Logitech Performance MX - great mouse, so ergonomic unlike the Magic Mouse.

But my biggest issue is Mouse Acceleration, it makes using the mouse a bit awkward, like trying to make small movements I always either over compensate or I don't move it enough. I would really appreciate a way to disable this for my mouse (and not for the trackpad).
Thankyou

:confused:
 

8

827538

macrumors 65816
Original poster
Jul 3, 2013
1,250
1,104
OK so I found a Terminal code to turn off mouse acceleration which works. But when I use that it turns to sensivity down several notches to a rather low point where it means I have to make big sweeping movements. This doesn't affect the trackpad which is good.

defaults write .GlobalPreferences com.apple.mouse.scaling -1

But as soon as I then try to increase the sensitivity to something reasonable to re-enables mouse acceleration. C'mon Apple seriously? Pretty much flawless OS and here Windows stamps all over you with simple MA on or off options.

Any ideas?
 
8

827538

macrumors 65816
Original poster
Jul 3, 2013
1,250
1,104
$20 or $10 to fix mouse acceleration is a little ridiculous, think I'd rather just put up with this stunning but small display of stupidity from Apple. This is the first real thing I've come across where I think, 'what the hell Apple?', seems like such a straightforward thing to fix, a single checkbox for MA on or off.
 
S

Shockre

macrumors member
Apr 4, 2009
52
0
download steelseries exact mouse tool. free, 1 click on-off acceleration and nothing else.
 
B

beosound3200

macrumors 6502a
Nov 23, 2010
684
0
if you want windows-like acceleration, try smoothmouse, its free and works great. i never could get used to os x mouse acceleration
 
T

termhn

macrumors newbie
Nov 30, 2014
4
0
If anyone else is looking for a solution, here goes:

1. Download and unroll the tarball here: http://forums3.armagetronad.net/down...le.php?id=9698
2. You should now have a file in downloads called killmouseaccel with no extension. I decided to rename it to killma (no extension still) for convenience and you should to to make the rest of the guide work.
3. Right click and copy the newly renamed killma file
4. In the top menu in finder click go and then go to folder and type in "/usr/local/bin"
5. Paste (Command-V) killma into this folder
6. You should now be able to open terminal (click spotlight or Command-Spacebar then type terminal) and then run:

killma mouse

to eliminate your acceleration.
7. To make this automatically apply on startup, inside terminal do the following. It will ask for your password, when you type it it won't actually type any letters but you are actually typing. Just type in your password and hit enter:

sudo mkdir /System/Library/StartupItems/killma && cd $_
sudo nano killma.sh

7a. You're now in a little text editor. Type the following:

#! /bin/bash
killma mouse

7b. Press Control-X and then Y when asked if you want to save the buffer

7c. Now run:

sudo chmod +x killma.sh

8. Done! It should kill your mouse accel at startup now.
 

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