cursor problems

Hello

The cursor on my MacBook Air selects texts, emails or icons out of the Blues; the cursor moves to other locations during the strike and does not allow to type a complete sentence. I disabled all the gestures the trackpad section of system preferences, I started the Mac Safeboot mode a couple of times and nothing has solved the problem. It's a MacBook Yosemite 10.10.5 2012.

Any suggestion on how to solve this problem?

Thank you

There are several possible causes for the behavior. Please take each of the following steps that you have not already tried until it is resolved. Some may not apply in your case.

1. follow the instructions provided in this support article, so this one, as appropriate. A damaged or defective power adapter could be the cause, even if it's the right kind.

2 simultaneously press the four corners of the trackpad and release. If there is no effect, it is likely to be temporary, and in this case the device must be repaired or replaced.

3. disconnect or turn off each Bluetooth or USB pointing device, one at a time, testing as you go. You may be able to identify one that is defective. By a pointing device "," I mean a device that moves the cursor, trackpad, mouse, trackball, or tablets. A regular keyboard isn't a pointing device. If you have a desktop without a built-in trackpad design, at least an external pointing device must be active at all times.

4. If your model has an infrared receiver for use with an Apple Remote, turn off .

5. This step is applicable if you are using a Mac laptop with a built-in trackpad, and you also use an external mouse or trackpad. Open the accessibility in System Preferences pane, and select mouse and Trackpad in the menu on the left. Check the box marked

Ignore the built-in trackpad when mouse or a trackpad wireless is present

Credit for this observation to the members of the CSA PattMK.

6. reset the system management controller.

7. If you use a mouse or a trackpad, Bluetooth, investigate potential interference sources, including 3 USB devices.

8. a swollen in a laptop battery can encroach on the trackpad underneath and cause erratic behavior. If you have trouble clicking the trackpad, it is probably the reason. The battery must be replaced without delay.

9. a faulty device or a damaged cable can cause the built-in trackpad to a MacBook to behave erratically. If you use the wired devices, disconnect them one at the time and the test.

10. There is also a report of movement erratic cursor caused by an external display that was plugged in but not turned on.

11. If you use transfer, disable it in the general pane of system preferences.

12. If the mirroring of airtime to a TV is turned on, turn it off.

13. If none of the above apply, or if you have another reason to believe that your computer is remotely controlled, pull it out of the network by turning off Wi - Fi (or your Wi - Fi access point), disconnect a Bluetooth network connection, then unplug the Ethernet cable or a USB modem, whichever is applicable. If the movement of the cursor stops at the same time, you should suspect an intrusion.

14. an appointment of 'Genius' in an Apple store to do the machine or the tested external trackpad.

Tags: Notebooks

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