Trackpad erratic and jumping around

Suddenly the mouse of my Macbook Pro started to jump around. The mouse is clicking a lot of stuff out of itself. I tried the following:

- To make sure it is no virus I plugged in a usb mouse which switches of the trackpad.

- According to a lot of forums I had to reset the PRAM/NVRAM, like explained here: http://support.apple.com/kb/PH14222?view...

- I removed the battery to see if it was swollen. I also tested the mbp without the battery in the body to make sure it was not the battery who caused the problem.

- I removed the trackpad and cleaned it with alcohol.

Nothing helped! What is the next step? The strange thing is that after a PRAM reset the mouse will act normal for about 30 minutes. Then the problem starts acting up again.

Any ideas?

Отвечено! View the answer У меня та же проблема

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3 Ответов

Выбранное решение

Sounds like your battery has swollen causing it to press against the trackpad from underneath.

You should bring your system into an AppleStore ASAP as there was a recall on the battery and stop using your system and don't charge the battery as it could make things worse!

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Would you give a link to that recall?

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I was / am having the same problem.

I tried removing the power chord (since I am using a generic one).

I also read somewhere (pinterest, i am not kidding) that repairing file permissions did the trick so I also tried that.

Not sure if what I did helped or not, now i am back on the generic charger and the erratic behaviour seems to be gone.

So maybe fixing permissions and/or not using a generic power charger could help.

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interesting resolution.

от

Sadly, no. The wrong cleaner could damage the trackpad or a spilled drink. In all cases its still the same answer time for a new trackpad.

от

The generic charger is what's causing the problem to my friends 15" late 2011 MBP. I tried swapping my original Apple charger and the erratic trackpad behaviour was gone.

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Problem was persistent after using in the kitchen while cooking … spraying with lens cleaner and fiercely using a microfiber cloth seems to have resolved the issue. Whew.

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Michael будет вечно благодарен.
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