You can also improve mouse performance by set touchpad to no delay option here are the fixes Try Disabling or enabling this option can fix slow mouse lag issue in windows 10.Now Find the Scroll Inactive Windows option and just disable/enable it.Navigate to Settings > Devices > Mouse Touchpad.To Enable scroll inactive windows, follow these steps There is multiple method to fix slow mouse lag issue try as per your requirement. Solve Mouse Lag, Stutters Issue in Windows 10 Disabling NVIDIA High Definition Audio Driver Solve Mouse Lag, Stutters Issue in Windows 10.