Select “Mouse” in the window that pops up.Select “System Preferences” in the dropdown menu.

Click on the Apple icon in the top-left corner of the screen.

Here’s what you have to do to customize the features of your mouse: macOS has one of the easiest-to-use settings, and it takes only a few clicks to change things. You can change the speed of your mouse, the scroll direction, and the right-click speed on a Mac operating system without a lot of hassle. In this article, you will learn how to do that and make some other customizations without any apps. Changing the sensitivity on your Mac computer is easy and straightforward. It all depends on your habits and what you use the mouse for. Initially, lower server Scrolling Speed seemed to translate to better client response, but at the moment, I have Scrolling Speed set to 'Fast' and the client is responding well, even to one-click scroll wheel moves.Some people like their cursor to move super-slow, while others like to set the sensitivity to maximum. Also, correlating server System Preferences settings with behavior in the client is inconsistent. The scrolling threshold is a little hinky, i.e., slow scrolling in the client doesn't always 'take' you have to spin the wheel harder to make the window scroll.

Not sure whether the Synergy update or System Preferences change or both caused the changed behavior, but it is worth trying both. In client? Joy! The scroll wheel now scrolls windows. Moved the slider around in System Preferences > Mouse > Scrolling Speed, after which the Synergy log started showing numbers other than zero for mouse wheel actions. So off to the web, where Seth noted that 'the Scroll Speed system preference allows some adjustment to the scroll delta.' Installed new version 1.7.6, released today, but scroll wheel in (Win7) client still did not work, with log entries 'event: button wheel delta=+0,+0' and 'onMouseWheel +0,+0'. Tl dr: try tweaking System Preferences > Mouse > Scrolling Speed in the Mac server.

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