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Trackpad bad? Cursor/Pointer is moving all over the screen. Even jumping to new windows.
Posted by: Buck
Date: December 07, 2015 11:34PM
It's a little better with a USB mouse. My MBPR is almost unusable. Trip to the Genius Bar I think.
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Re: Trackpad bad? Cursor/Pointer is moving all over the screen. Even jumping to new windows.
Posted by: Onamuji
Date: December 07, 2015 11:45PM
Does it happen when you're safe-booted?



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Re: Trackpad bad? Cursor/Pointer is moving all over the screen. Even jumping to new windows.
Posted by: GGD
Date: December 07, 2015 11:59PM
Have you tried cleaning the trackpad? Any moisture or dirt on it, hand lotion on your hands?

Quote

Keep touch surface dry and clean

Moisture collecting on the touch surface can also cause this issue. Wiping off the surface of the trackpad or mouse with a cloth or tissue usually fixes this.

If the issue goes away when you put a piece of paper between your finger and the touch surface, consider purchasing a Teflon applique to fit over the surface to prevent moisture from having direct contact with the touch surface. Before you install the Teflon applique, make sure the touch surface is clean and dry.

Note that oil or lotion can also cause the same issue. You can clean your device's touch surface with a lint-free cloth lightly moistened with water.

[support.apple.com]
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Re: Trackpad bad? Cursor/Pointer is moving all over the screen. Even jumping to new windows.
Posted by: TheToddler
Date: December 08, 2015 03:54AM
Sounds like you need a replacement. .... I tried all the suggestions online bu eventually a Genius Bar trip (and two-day drop off) did the trick.
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Re: Trackpad bad? Cursor/Pointer is moving all over the screen. Even jumping to new windows.
Posted by: RAMd®d
Date: December 08, 2015 04:40AM
It's a little better with a USB mouse.

Translation: It's still bad with a USB mouse.

Can you set your trackpad prefs to ignore input from the trackpad when the mouse is connected? If so, is it still bad?

You might have more/bigger problems than just the trackpad.

Is it likely the battery could be swelling/swollen and causing a problem?

I had problems with my old MacBook's trackpad and clicker, and it was a swollen battery undermining their functionality. But my battery was removable.




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Re: Trackpad bad? Cursor/Pointer is moving all over the screen. Even jumping to new windows.
Posted by: Ken Sp.
Date: December 08, 2015 09:00AM
On MacBook Pros, sometimes the battery will swell, creating upward pressure on the trackpad.
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Re: Trackpad bad? Cursor/Pointer is moving all over the screen. Even jumping to new windows.
Posted by: Buck
Date: December 08, 2015 10:52AM
I gave it a good cleaning (powered down) last night as mentioned above. This morning everything looks normal. But I just know it won't last,
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