If you use Handoff, disable it in the General pane of System Preferences.ġ2. There's also a report of erratic cursor movements caused by an external display that was connected but not turned on.ġ1. If you're using any wired peripherals, disconnect them one at a time and test.ġ0. A defective peripheral device or a damaged cable can cause the built-in trackpad of a MacBook to behave erratically. The battery must be replaced without delay.ĩ. If you have trouble clicking the trackpad, this is likely the reason.
REMOTE MOUSE FOR MACBOOK PRO PORTABLE
A swollen battery in a portable computer can impinge on the trackpad from below and cause erratic behavior.
REMOTE MOUSE FOR MACBOOK PRO BLUETOOTH
If you're using a Bluetooth trackpad or mouse, investigate potential sources of interference, including USB 3 devices.Ĩ. Ignore built-in trackpad when mouse or wireless trackpad is presentĬredit for this observation to ASC member PattMK.Ħ. Open the the Accessibility pane in System Preferences and select Mouse & Trackpad from the menu on the left. This step applies if you're using a portable Mac with a built-in trackpad, and you also use an external mouse or trackpad. If your model has an infrared receiver for use with an Apple Remote, disable it.ĥ. If you have a desktop model without a built-in trackpad, at least one external pointing device must be active at all times.Ĥ. A plain keyboard is not a pointing device. By a "pointing device," I mean a peripheral that moves the cursor, such as a trackpad, mouse, trackball, or graphics tablet. You may be able to identify one that's malfunctioning. Disconnect or power off each Bluetooth or USB pointing device, one at a time, testing as you go. If there's any effect, it's likely to be temporary, and in that case the unit must be serviced or replaced.ģ. Press down all four corners of the trackpad at once and release. A damaged or defective AC adapter could be the cause, even if it's the right kind.Ģ. Follow the instructions in this support article, and also this one, if applicable.
Please take each of the following steps that you haven't already tried until it's resolved. There are several possible causes for the behavior.