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Old 16.04.2014, 16:51
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Macbook Pro issue - Not sure if hardware or software

Hello to any Mac gurus out there - Have been combing various fora out there looking for info about my problem and thought I would ask here.

My mid-2009 MBP has worked almost flawlessly til now, and I hesitated to upgrade to Mavericks. Well, I finally did it and things were fine for about two weeks.

Suddenly, my screen/trackpad started going crazy, with windows opening on their own, and the cursor moving randomly or not moving where it is supposed to. When it starts "acting up" it becomes unusable.

Sometimes, it will "calm down" on its own. Putting it to sleep for a while usually results in things working for a while. Restarting also helps for a while, but for a week now it seems possessed, for lack of a better word!

Not sure if there is a direct correlation with the Mavericks upgrade. As it is 5 yrs old, I suppose it could be a hardware problem; maybe the track pad itself.

Any advice, before I bring it in to Apple, where I am sure they will want to charge a fee just to look at it?

Thanks much!
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Old 16.04.2014, 17:00
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Re: Macbook Pro issue - Not sure if hardware or software

I've had problems too since the upgrade, but not with the direct functions of the programmes, more that it's running slowly and takes ages to connect with the WiFi, which it did almost instantaneously before the upgrade.
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Old 16.04.2014, 17:02
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Re: Macbook Pro issue - Not sure if hardware or software

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Hello to any Mac gurus out there - Have been combing various fora out there looking for info about my problem and thought I would ask here.

My mid-2009 MBP has worked almost flawlessly til now, and I hesitated to upgrade to Mavericks. Well, I finally did it and things were fine for about two weeks.

Suddenly, my screen/trackpad started going crazy, with windows opening on their own, and the cursor moving randomly or not moving where it is supposed to. When it starts "acting up" it becomes unusable.

Sometimes, it will "calm down" on its own. Putting it to sleep for a while usually results in things working for a while. Restarting also helps for a while, but for a week now it seems possessed, for lack of a better word!

Not sure if there is a direct correlation with the Mavericks upgrade. As it is 5 yrs old, I suppose it could be a hardware problem; maybe the track pad itself.

Any advice, before I bring it in to Apple, where I am sure they will want to charge a fee just to look at it?

Thanks much!
Have you tried using it with an external mouse?

If you still have problems then you can rule out a specific h/w problem with the tracker pad.

Do you have the problems straight after power up, but after an extended period of being powered down?
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Old 16.04.2014, 17:05
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Re: Macbook Pro issue - Not sure if hardware or software

Have you tried cleaning the trackpad? I've had a couple of issues like that with the cursor wizzing around and windows moving etc. Once the track pad needed replacing, next time it sorted itself out after I cleaned it with alcohol (not single malt though)
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Old 16.04.2014, 17:06
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Re: Macbook Pro issue - Not sure if hardware or software

Mavericks (specifically 10.9.2) has caused issues with re-connecting to wifi. I found a fix but it involved deleting a bunch of config files (and you'll need to enter any of your network location stuff again) but even my fix doesn't cure it 100%; there's still the occasional glitch where I must click to turn wifi off and back on again.

The trackpad issue sounds like a hardware one. Try an external mouse. You could re-install Mavericks if you reckon a driver got corrupted during the upgrade.
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Old 16.04.2014, 17:18
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Re: Macbook Pro issue - Not sure if hardware or software

Had a similar issue occur in my 2011 MBP, it was the trackpad...Cleaning it well resolved it but it took a few days for it to finally work properly
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Old 16.04.2014, 17:41
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Re: Macbook Pro issue - Not sure if hardware or software

Seems that the external mouse helps with the cursor, but there are still random jumps that happen. Maybe the trackpad is sensing/seeing my finger/hand movements.

When I restart, it usually works as normal, but after 5-10 minutes, starts to act up again. Have shut it down completely at night, but this did not seem to make any difference.


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Have you tried using it with an external mouse?

If you still have problems then you can rule out a specific h/w problem with the tracker pad.

Do you have the problems straight after power up, but after an extended period of being powered down?
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Old 16.04.2014, 17:44
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Re: Macbook Pro issue - Not sure if hardware or software

Grumpy - While I appreciate the suggestion to clean it with alcohol, when I start drinking, I lose the urge to clean. Am I doing something wrong?



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Have you tried cleaning the trackpad? I've had a couple of issues like that with the cursor wizzing around and windows moving etc. Once the track pad needed replacing, next time it sorted itself out after I cleaned it with alcohol (not single malt though)
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Old 16.04.2014, 17:46
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Re: Macbook Pro issue - Not sure if hardware or software

Will try cleaning a bit more thoroughly, with rubbing alcohol (this time), and see if any different results. Might take it apart to see if there is debris inside interfering with the trackpad.

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Had a similar issue occur in my 2011 MBP, it was the trackpad...Cleaning it well resolved it but it took a few days for it to finally work properly
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Old 16.04.2014, 17:47
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Re: Macbook Pro issue - Not sure if hardware or software

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Will try cleaning a bit more thoroughly, with rubbing alcohol (this time), and see if any different results. Might take it apart to see if there is debris inside interfering with the trackpad.
Those cans of compressed air are pretty good, too.
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Old 16.04.2014, 18:01
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Re: Macbook Pro issue - Not sure if hardware or software

I doubt it's Mavericks.
We've got a 2008/2009-ish MBP and it works with Mavericks.
So does my 2008 iMac.

Repairs outside of Apple Care are very expensive and do not make (economic) sense in almost all cases.
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Old 16.04.2014, 18:28
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Re: Macbook Pro issue - Not sure if hardware or software

you may have already seen this apple discussion.
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Old 16.04.2014, 18:34
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Re: Macbook Pro issue - Not sure if hardware or software

This describes what I am going through TO A T! Thanks, will see if I can find a fix.


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you may have already seen this apple discussion.
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Old 17.04.2014, 16:46
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Re: Macbook Pro issue - Not sure if hardware or software

Seems like it may be trackpad failure. It does seem to work correctly for a while if I press down on all four corners of the trackpad. Will need to have it looked at by someone.
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Old 25.04.2014, 12:41
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Re: Macbook Pro issue - Not sure if hardware or software

To follow up, it seems that whichever gremlin was running around inside my laptop has left. Everything working fine now. Maybe that means there was something inside the trackpad that worked its way out; dust, dirt or similar.

Keeping fingers crossed!
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