Wait for your Mac to completely Shut Down > Wait for another 30 seconds and Restart your Mac. Sometimes, the problem is due to stuck programs or processes interfering with the functioning of Mouse on your Mac.Ĭlick on the Apple Logo in top-menu bar and select Restart option in the dropdown menu. To confirm, replace the battery on your Mouse with a New battery and see if it helps in fixing the problem. Replace BatteriesĪ common reason for laggy or slow Mouse on Mac is due to the Batteries losing their power and becoming weak. Take a good look at the back of your Mouse and make sure that the laser opening is not being blocked by dirt/debris.Īlso, clean the Mouse Pad and see if it needs to be replaced (Worn out, Dirty).