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<\/figure>\n\n\n\nWhy This Works – Here’s My Guess<\/h2>\n\n\n\n
If you’ve ever taken apart a mouse after hearing advice like “clean the wheel every few months,” you might know that most mouse wheels have many fine grooves on the inside. Light or laser is emitted from one side and detected by a sensor on the other side to read the wheel’s rotation. With cheaper mice, when Mac increases the sensitivity (or scroll speed), the mouse may not be able to keep up with the reading speed required, resulting in an incorrect detection of reverse rotation. By slowing down the scroll speed, you allow the Mac to read the wheel’s movements more accurately and consistently, which should result in the correct behavior. That\u2019s my guess, anyway.<\/p>\n\n\n\n
Test Results and the Mouse I’m Using<\/h2>\n\n\n\n
In my case, I use the same mouse with Windows for work and Mac for personal use and have never experienced this issue on Windows. This led me to rule out issues such as dirt, hardware malfunction, or battery depletion. <\/p>\n\n\n\n
One day, I recalled that old Mac OS had a higher resolution\/read frequency than Windows for sensitive controls of mice even with balls inside decades ago. Based on this, I tried lowering the scrolling speed, and voila! It worked! Since making this change, the issue has barely occurred at all. None of web pages Google suggested had this information, so I hope this article will help you mitigate the annoying mouse wheel issue.<\/p>\n\n\n\n
For reference, the mouse I am using is a Logitech M220 (laser, silent type, comes with a USB dongle) which costs only about $10. I really like the appropriate resistance of the wheel and the ease of clicking, so it’s great that this solution worked.<\/p>\n\n\n\n