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  • jadnash Level 1 (0 points)

    Hi all,


    Just started having problems with my 2008 15" unibody MBP trackpad too; it doesn't 'click' when pressed, and the cursor starts acting odd - selections don't un-select, movement is jerky and hard to control, ect.


    I found this which might explain what's going on - basically, the button under the trackpad gets worn out making it unable to complete a 'click'...



    Hope this helps...



  • jadnash Level 1 (0 points)

    Here's a good link that describes how to work on the MBP trackpad yourself:



    The site should update their name to MacbookProMedic! Found it by 'accident' as it didn't come up searching for Macbook Pro..!



  • jadnash Level 1 (0 points)

    Well, turns out the cause for my 'bad' trackpad was the battery - it was swollen to the point of exerting so much pressure on the bottom of the trackpad it was unable to 'click' -


    Don't know how much longer it would've lasted, but I'm glad that the trackpad's ok (works fine when battery is removed), and glad I discovered the bad battery!


    Anyone with an older, often-used MBP should check their battery - the surface with the connecter plug should be flat; if it's not, it's going bad...

  • brainfromNE Level 1 (0 points)

    Jadnash...did you just run your MBP on the power adaptor and remove the battery? Are you going to purchase a new battery? I am having the same problem with the same model as yours. This just started happening around the same time as you.

  • jadnash Level 1 (0 points)

    Hi Brian,


    Yes, I'm just running on the power adapter. Trackpad works fine without the battery pushing against it. I'll get another battery as the old one is very swollen. Funny, though; it still charges and holds a charge - guess it's just showing it's age!

  • Stickykees Level 1 (5 points)

    I spent an entire evening researching, rebooting etc. to no avail. I started stressing about bringing it in to be repaired, having a possible swollen battery, yadda yadda yadda.  Finally I saw on youtube that you could press firmly over the entire trackpad and my problem was fixed in 5 seconds.  So Amazing that I had to share!

  • Cholitotito Level 1 (0 points)

    Wow! Thanks Jerry! As soon as I read your suggestion, I tried it myself. It worked! I started to laugh hysterically that it actually worked! Thanks man!

  • raj4groups Level 1 (0 points)

    Thanks JoeJena. Makes absolute sense and works for me. I am MS in EE and solution Joe recommends works for me. It's a leakage that causes Cursor moments to go crazy. Read this article's first para to get inside info on, What makes Trackpad cursor to move?


    Issue for me was, I was using 2 PIN power supply and leakage was not geting grounded. This should NOT be the case with such an expensive device and Apple must figure out a way to resolve this issue.


    Anyways, Seems like, SubieGuy had different issue (Or may be Same) but fix was definitely differen for him. I am glad that, Apple Store helped him. Did they chanrge you anything? Or you had Apple Care plan?


    Thank you.

  • joejena Level 1 (0 points)

    Glad it worked for you. This afaik is the simplest fix for this problem. Of course people have reported other issues, battery bloated etc., for those you have to go to an apple technician.

  • subieguy Level 1 (0 points)

    They never charged me.  Being as how the upgrade I purchased crippled my computer, it was there responsabilty to fix it. But never once was money brought into our conversation regarding the software fix.  I did almost buy a new trackpad but 30 seconds after a installed lion there was a feeling of relief seeing the problem gone. I tried to Press firmly, and I tried to remove the battery and run on the cord alone. I cleaned it with special cleaner, and I blew out all the little things that I couldn't see. Nothing worked. And like magic a simple os replacement and I'm up and running for almost a month with not one problem. 30 dollars for a os upgrade or 100 for a genius to replace the trackpad. I'm glad a stupid venture led to such an outstanding solution.

  • terjesa Level 1 (0 points)

    Just like to reply too this tread even though it was written months ago. I didnt realize that the fix was so obvious regarding the trackpad on my mac book pro 2010. The mouse cursor acted irrationally and went crazy on it´s own and started applications without warning. Connecting external mouse didnt solve it because the trackpad lived it´s own life.


    So as Brettwa I cleaned my trackpad with a very fine and smooth lens cleaner as used for my sunglasses. And the result was amazing, and I have now control over my trackpad. 


    So my lesson learned is that the macbook pro trackpad and I guess all other apple trackpads is a delicat sensitive touchpad that has to be cleaned even though it seem clean.  I had to polish it hard and got amazing result. 


    So as Brettwa said, give it a try :-)

  • bapa6 Level 1 (0 points)

    turn off the computer, turn it over and remove the battery. Restart using ac and your computer will be fine. Look at the battery: it is swollen in the middle, which pushes up against the back of your trackpad and makes it unresponsive.

    As the battery cools it will shrink back down to normal size, but it isn't really usable anymore. If you want to go mobile, buy a new battery. $129, I think.

  • shlomogeva Level 1 (0 points)

    Same problem here.  Not only does my brand new Macbook Pro Retina lock up the trackpad and play up, but my Macbook Air which I foolishly upgraded the OS on, is now having the same intermitent problems. The PCs become unresponsive and even rebooting sometimes fails to rectify it and it requires several reboots.  I even had to re-install the Operating system, but the problem eventually returned. It appears that the Macbook is even less reliable than the worse Windows based machine I ever had or heard of...  Not happy...

  • Pierre Froelicher1 Level 1 (110 points)

    Since you have two machines with erratic behavour youmight consider that something, like for example the powerbrick you use gives you this behaviour. I write this, because I have one power brick, that gives me these symtoms. I think it gives some current onto the metallic frame of the computer, which confuses the trackpad.

    Change your powerbrick and see if it gets any better.


  • shlomogeva Level 1 (0 points)

    No, this problem had occured in multiple locations, with power supply connected and without.   Do not have the problem with my iMac so I suspect it has to do with the trackpad on the MacBooks or with the OS.

    I have another MacBook Pro (model late 2009, with older OS) and it had always been trouble free.

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