speaker volume, screen resolution, startup disk selection, time zone information, etc). Note: When you log back in you may need to readjust some of your system preferences (e.g.
Yes, a full shut down, not just logging out. Your Mac uses Non-Volatile Random-Access Memory (NVRAM). Since you can't seem to boot into Safe Mode, I would try either (or both) resetting the NVRAM and trashing the Magic Mouse. Problem does not seem to happen on MacBook's touchpad. This is ruining my productivity (mouse moving at random speeds, sometimes 2-10 times slower).ĭoes affect magic mouse 2 and logitech usb-cable mouse. Time for a new macbook? Or time to go to Windows? :) Tried Safe Mode (holding shift while booting), but it completely fails to load (progress bar stuck at 100%). Usually the mouse was moving the way it should. Personally in my multiple decades of computing, I've never seen mouse-move being affected in such a way. If this could be blamed on an app (as opposed to macOS sierra itself), then which kinds of apps would have such power to intercept and affect mouse-move events? Please note: this is not about scrolling (unlike some questions which seem similar). Though, the effect is weaker (though still negatively affects productivity).Īn extreme case is when doing native HTML5 drag in Chrome. But this happens as well when not drag&dropping as well. Sometimes this is accompanied by mouse cursor blinking between rapidly between different cursor shape, in a certain point which allows drag&drop (only/especially when drag is started) then the mouse pointer becomes "stuck" as if moving in dense syrup, for a few seconds/pixels. Since upgrading to Sierra (but could be other cause), my mouse slows down in certain points (as if something is intercepting the mouse move event and swallowing it).
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