HT203171 All else has failed. Would reinstalling Mountain Lion resolve my uncontrollable cursor?

This is a maddening case of an uncontrollable cursor. Symptoms: 1. Cursor moves on its own; and 2. Trying to use the Macbook Pro trackpad results in either nor response of the cursor, or eractic movements; 3. Cursor moves around the screen opening applications, creating folders, etc. all on its own.
I have tried remedies suggested on this forum. No luck on a solution. Would a reinstallation of Mountain Lion resolve my problem? (Assuming I could get some control of the cursor to effect the download) Any help here would be much appreciated.

Okay, I googled and googled and ended up doing this with my (still working) MacBook Pro:
http://osxdaily.com/2011/08/08/lion-recovery-disk-assistant-tool-makes-external- lion-boot-recovery-drives/
I succeeded to start up my iMac and then tried to do disk repair for my HD.  I ended up with red warnings telling me that my HD cannot be repaired and must be erased.  I kept on praying the ghost of Steve Jobs to make sure my Time Machine clone would be unharmed.  Before erasing I decided just give it a try and clicked one more time the repair button.  And suddenly I got all green and disk was successfully repaired.  Just to be sure I did that one more time and then scanned the HD.  Still all green.
Now I'm trying to upgrade to Mountain Lion once again...

Similar Messages

  • I am trying to reinstall mountain lion but Mac book pro failed to install.

    I am trying to reinstall mountain lion but Mac book pro failed to install

    Please detail ALL you have done so far in the way of troubleshooting?   Need this info to avoid the been there done that scenarios.
    Have you read for possible solutions over in the "More Like This" thread over here?----------------------->

  • My ex girlfriend wiped my 6yo daughters imac and will not give me the 4 digit passcode pin. How do i get past this to reinstall mountain lion ? Any help would be greatly appreciated

    Could anybody offer me advice on what I can do to reinstall mountain lion on my daughters imac as my ex wiped the whole computer via find my iphone and will not give me the 4 digit passcode ? Any help and advice would be greatly appreciated..

    Take it to an Apple Store, have proof of purchase with you.

  • How to reinstall Mountain Lion after Mavericks OS has been installed without using the time machine?

    Hi, I upgraded to Maverics a few weeks ago, and since than my computer has been very slow. It NEVER happened before. Now, I want to go back to Mountain Lion, but I didn't back up my computer with the time machine. I'd appreciate if anyone could tell me how to reinstall Mountain Lion again over Maverics? Thanks a lot for your help!

    You will need either a bootable flash drive with Mountain Lion to install, if you have one, or reinstall Snow Leopard if your computer can boot Snow Leopard. Or you can use Internet Recovery to reinstall the original version of OS X that came with the computer. In any event you will have to repartition and reformat the drive.
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    Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
    Boot to the Internet Recovery HD:
    Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears on the screen. Wait patiently - 15-20 minutes - until the Recovery main menu appears.
    Partition and Format the hard drive:
    1. Select Disk Utility from the main menu and click on the Continue button.
    2. After DU loads select your external hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
    3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed. Quit DU and return to the main menu.
    Reinstall Lion/Mountain Lion. Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button. Be sure to select the correct drive to use if you have more than one.
    Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

  • A few questions before proceeding to uninstall/reinstall Mountain Lion

    Since I'm new to this forum I inadvertently closed the discussion that I initiated myself without it being resolved, so I'll copy what I had asked in the previous discussion over to a new thread:
    23-Oct-2012 16:08 (in response to ds store)
    Since yesterday I've done this:
    Safe boot
    smc reset
    pram reset
    hardware test looped 5 times off of original discs: no trouble
    check battery: good condition
    reinstalled flash with click for flash in Safari, updated Firefox to 16
    Startup Manager: Volumes are Mac hd and recovery 10.8.1: did repair disk and permissions repair
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    Still crashes though, so I thought I would do this, I'm nervous about it though:
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    Quit and install 10.6 or 107+ from Apple's servers.
    Reboot, use the same user name as before (different password advised)
    quit and install 10.6 or 107, what is 107? does this mean 10.8? I'm confused by that
    so I must write down the user name, not the owner name, both of which I changed
    I also before had created a new user and deleted my friends user accounts, so that was done already but didn't help.
    when you say different password advised, you mean change that later in users?
    When adobe asks for id are they asking for my id that I created to get to this forum or my user name and computer password or the computer name and password?
    I'm ready to do this once I get things ironed out.....I'm afraid something awful will happen....but I guess I've done what I can for the most part otherwise.
    Thank you for your help, it's been great!
    23-Oct-2012 16:28 (in response to ds store)
    I also did try to command r and reinstall mountain lion but when I entered my adobe id they said that it has not been used in the app store.....
    so I'm not sure where that leads, whether entering my friends id and password might have lead to a free reinstall or even how to get any reinstall,
    however I'm happier with the idea of a fresh restart...but worried I won''t be allowed to or run into a message like that ....or it will cost a huge amount
    but you say I believe that it is quite simple and free?
    23-Oct-2012 16:31 (in response to ds store)
    "quit and install from apple servers"
    is this something that happens within the program without rebooting? Is the "install from apple servers"given as a prompt after you select the "quit" button?
    23-Oct-2012 16:42 (in response to ds store)
    Do I need to download and install this?
    http://support.apple.com/kb/DL1492
    I have noticed that somethings have improved with all these changes, I continue to delete programs that seem outdated and unneccesary, however there still seems to be lots of crashes, and a clean install deleting everything and starting again with mountain lion is what I'd like to do once I get these final things sorted out.
    Thank you

    No, please don't do that. Here's how you do one or the other:
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      1. Boot from your Snow Leopard Installer Disc. After the installer
          loads select your language and click on the Continue
          button. When the menu bar appears select Disk Utility from the
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      4. Quit DU and return to the installer. Install Snow Leopard.
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    Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
    Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
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    Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.
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    Install or Reinstall Lion/Mountain Lion from Scratch
    Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
    Boot to the Recovery HD:
    Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
    Erase the hard drive:
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      2. After DU loads select your startup volume (usually Macintosh HD) from the left side list. Click on
          the Erase tab in the DU main window.
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      4. Quit DU and return to the main menu.
    Reinstall Lion: Select Reinstall Lion/Mountain Lion and click on the Install button.
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  • I lost iLife after reinstalling Mountain Lion

    I bought my iMac in April last year, it is the 21.5 inch mid/late 2011 iMac (if I'm not wrong), the thing is I used to install lots of things in here until I decided it was worth to erase all the unimportant content, but to make myselfe sure I decided to back up in an external hard drive everything I thought it was important and then I proceded to reboot the system and enter in restore mode while startup (using cmd + r, as you may know).. Once in there I went to disk utilities and erased my HDD and after that I proceeded to reinstall Mountain Lion. Everything went OK, I entered my Apple ID and Password and the installation went through without any further problems. When I started to reconfigure everything I noticed iPhoto was missing, so I inmediately checked if iMovie and GarageBand were there, but they were not. So I logged in the Mac AppStore but there said I should bought them (which actually makes sense, because I got iLife with my iMac) but I honestly don't know what to do. I used to use a lot these softwares, and it would be nice to have them back.. Do you have any idea of what should I do?
    I also would like to add that my iMac came with OS X Lion, I bought Mountain Lion personally.. if that has something to do with..
    Thanks for your attention,
    PD: Please bear in mind that I'm from Argentina, any mistake you can found wasn't intencionally, sorry if you happen to find many

    Thank you very much for your help and your time, this problem was in deed very simple to solve, I tried to click the buy app button just to see what happens and it turned out that was the right thing to do.
    If any one has this problem here is a screenshot that will more or less tell you what you got to do:

  • Troubles reinstalling Mountain Lion

    I installed a new hard drive in my mac and want to do a fresh install.  I did the firmware upgrade for internet recovery to my mid-2010 macbook pro and am trying to use internet recovery to reinstall mountain lion.  It says that my apple ID has not purchased Lion, which I know for a fact I purchased Lion and Mountain Lion.  I called apple support on the phone and the guy was super unhelpful and told me to go in store.  Soonest genius appoinment is not for a few days and I need my computer ASAP.  I would use the 10.6 disc that came with my computer but it will not boot to that either (by using "c" or "option").
    So two options:
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    2) How can I repurchase Lion/Mountain Lion without a second mac?
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    I have about the same problem: I bought Mountain Lion and when I try to install on my new ssd drive on macbook pro i7 early 2011 it says that I dont have Lion. I have made a bootable USB memorystick with Mountain Lion but when I start the installation from it, I can't see my ssd in the window of hard drive install location. Only the USB drive is visible.
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    The ssd is corectly formated. I even try to make GUI partiton but all in vain.
    Please help us with this problem.
    Thank you

  • Best way to reinstall Mountain Lion on MBP?

    Hi.
    My wife has had a MacBook Pro since 2009. Over the years it has become soooooo slow. She's got tons of stuff on it including old versions of software, and programs she never uses. Honestly, I think it's just bogged down from all her crap over the years. So here's the problem I'm having. I want to back it up and do a fresh install, but I don't want to use Time Macine because I'm afraid all of her old programs and bugs and such will just go right back on her computer. So the only thing I've come up with is clicking and dragging all of the folders onto an external drive and then back again. Is there a better way? A better program or process or tutorial? Any advice would be massively appreciated. THANK YOU!
    Specs
    Mac OS 10.8.4
    2.53 GHz Intel Core i5
    4 GB 1067 MHz DDR3
    500GB HDD

    If there is only one account, your Wife's, than you can just drag the "Macintosh HD" onto a large enough external hard drive. (***I would highly suggest you check to make sure the same amount of GB are on both drives after you have moved it all over to the external hard drive. You can do this by:
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              Click about this Mac
              Click more info
              Click storage
    hope this solution works!)
    To reinstall Mountain Lion from scratch, follow these instructions below:
    Choose Apple menu > Restart. Once your Mac restarts (and the gray screen appears), hold down the Command (⌘) and R keys.
    If you’re not connected to the Internet, choose a network from the Wi-Fi menu (in the top-right corner of the screen).
    Select Disk Utility, and then click Continue.
    Select your startup disk from the list on the left, and then click the Erase tab.
    From the Format pop-up menu, choose Mac OS Extended (Journaled), enter a name for your disk, and then click Erase.
    After the disk is erased, choose Disk Utility > Quit Disk Utility.
    Select Reinstall OS X, click Continue, and then follow the instructions.

  • How to reinstall Mountain Lion while disabling firewire extention

    I am reinstalling Mountain Lion but get stuck at the reboot stage, because the installation procedure re-enables my fried FireWire port, which I had previously disabled by removing all FireWire-related extensions.  When FireWire is enabled (i.e. there are FireWire extensions in /System/Library/Extensions), my computer never starts up because it is busy printing a "handleunrecoverableerrorint" message about FireWire. 
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    My AppleCare is long over, but I've managed to squeeze a few extra years out of my 2008 MBP by removing FireWire kexts.
    Here's what I've tried so far:
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    I have already tried rolling my own identical BaseSystem.dmg minus its FireWire extensions (properly chmodded), but somehow I still get FireWire error messages during startup.  /OS X Install Data/kernelcache might be the culprit, but I don't know how to rebuild it.
    I can't think of anything else to do... any ideas?

    Open the Mac App Store, click Purchases, select ML, then re-download and install. However if your machine has the abillity to run Mavericks I'd just upgrade to that and bypass ML.

  • How many times can you reinstall Mountain Lion?

    Since I bought the Early 2013 15" MacBook Pro retina laptop used only 17 battery cycles on it now (2.7 with 16GB ram running Mt. Lion) computer I have not reset it. I spoke to Apple and it is registered in my name, I made a new Admin. account and password and Apple had me delete the original owners. I took off anything he had left on it. Applecare also I bought in my name. Apple said I didn't have to reset it and would be fine so I left it. They deauthorized the previous iunes account and the previous owner gave me his ID to deauthorize the computer. It was already deauthorized when I checked. He then changed his password for his security. It runs beautifully and has a Samsung screen.
    I deleted the iLife apps and were going to buy them in my name (as his ID came up for updates) but now can't redownload in my name as it says I need Maverick OSon it to do so. I left the Mountain Lion 10.8.5 on it. If I contact Apple will they give me a redemption code for my name or how do I get older versions?
    If I reset to new how many times am I able to reinstall Mountain Lion? If I decide to sell it later will I be able to reset it again with no problem for the new owner?
    Thank you for your help. This forum is a source for many of us new owners to solve things.

    As long as you do the download with your Apple ID, it'll be in your name. Reverting back can be a little involved. If you have that in mind, you should make a full backup of your clean install of ML and save it somewhere. Then you can just copy the image back with Carbon Copy Cloner. External drives are cheap, that's how I'd do it.

  • I recently purchased an iMac from a friend who factory reset it, and now I can't reinstall Mountain Lion?

         As the title says, I can't reinstall Mountain Lion. When I turn on the iMac, it send me straight to OX X Utilities. When I click on Reinstall Mountain Lion, it asks for my ID, but then states I did not purchase Mountain Lion. How do I fix this issue? I've tried asking Apple Support, but to no avail. I don't think the guy I spoke with understood what was going on.
    I cannot get around OS X Utilities. There are only four options for me.
    Reinstall Mountain Lion
    Back Up (tried, nothing comes up)
    Get Help Online (which is what I'm doing here)
    Erase or Restore Utilities (I've checked this, it says my disks are not malfunctioning)
         My friend suggested signing into his ID to reinstall but when we did, it also said this ID has not purchased Mountain Lion. We logged into Apple Support went to registed devices and there was nothing there. I think he may have used another ID which is he searching for the info for. If we get the right ID, then maybe it will let us sign in on his name and reinstall Mountain Lion. But if he can't, or Apple won't take his ID, then I'm at a loss for options.
         So now I'm here, hoping someone else who bought a used iMac from a friend who factory reset it and needs info on how to reinstall Mountain Lion can help me. I don't know what else to do. If I can't get this thing sorted out, I'll have to drive to the apple store. The closest one is 60 miles away, so I'm not looking forward to that. Is that my only option now? What can I do?
    tl;dr I bought a used iMac from a friend who factory reset it, and now I don't know how to reinstall Mountain Lion. What are my options?

    If the system didn't ship with Mountain Lion originally and you didn't purchase Mountain Lion yourself, then you will need to purchase. A purchase by the system's original owner cannot be transferred to you.
    Unless you have another system on which you have purchased Mountain Lion, you will need to first install Mac OS X 10.6.8 on the iMac, for which you'll need either the original installation disks, if the iMac came with 10.6, or a retail copy of 10.6. Install 10.6 and upgrade to at least 10.6.6, and then you can buy Mountain Lion from the Mac App Store, presuming of course that the imac can support Mountain Lion. See:
    http://www.apple.com/osx/how-to-upgrade/
    Regards.

  • How do I reinstall Mountain Lion in English on a system that was originally in Chinese?

    I'm trying to help a friend who was given a used 13" MacBook Air (A1369) by the Chinese exchange student staying with him. It needed a screen repair, which was done, and we were able to change the display menus to English which is fine for general use. BUT... The previous owner had all kinds of Chinese games and programs as well as a partitioned HD. The plan was to just erase and reinstall Mountain Lion (which it came with, we THINK) and he'd have a fresh start.
    Using the Recovery system would be great, except that since the comp was from China, and the ID associated with it is in Chinese, all of the instructions, menus and EVERYTHING are in Chinese. We can get online fine, and tried booting from a USB drive but everything is still in Chinese. We got as far as making a bootable USB and it looked like everything was OK, and started the erase/restore process but it got stuck in Chinese instructions and menus!!!
    Is there a way to buy new copy of Mountain Lion with a new Apple ID that will be in English and then install it on a computer that was already running Mountain Lion? It seems I should be able to DL the OS to a USB drive and then just boot and install from that. But I'd have to DL on another Mac with its own ID running Lion. (Or use a Linux PC which seems like an even worse option.)
    Any ideas? Suggestions? Laughter?

    Try posting again in the forum for ML, since it hardly seems to have anything to do with your hardware.
    https://discussions.apple.com/community/mac_os/os_x_mountain_lion

  • Hard drive died... How do I reinstall Mountain Lion onto an external drive?

    I have Time Machine and two extra external drives but now I cannot boot from the Hard Drive to reinstall Mountain Lion. I have a recovery partition from TechTool but it does not include Time Machine or the App Store. My computer boots into the TechTool disk but my hard drive is not shown. Disk Utility does not see my hard drive either.
    Any suggestions?
    TIA

    Sorry, I'm confused.
    The recovery partition from Tech Tool, this is on the internal HD or on a CD/DVD?
    Is this the same thing as the TechTool disk that your computer can boot into?
    Where is the Disk Utility that cannot see your hard drive? Is it on the Apple recovery partition on your internal drive?  Are you saying that Disk Utility on your Apple recovery partition cannot see your boot partition?
    It sounds like your internal boot partition won't work, but the internal drive itself is OK (i.e., Disk Utility, on your Apple recovery partition, doesn't see the normal boot partition), or at least OK to the extent that the Apple Recovery partition can run.
    If you install Mountain Lion on your external drive and use it as the boot drive for your computer,  it will be very slow, and you won't be happy. I'd forget that idea.
    Assuming I am thinking correctly about your situation, I would try to repair your HD. Your options would be:
    a safe boot Mac OS X: What is Safe Boot, Safe Mode? and then disk utility
    boot into single user mode and see if you can repair your hard drive Repair Your Hard Disk in Single User Mode | Everything Macintosh
    internet recovery OS X: About OS X Recovery
    recovery disk assisant, if you have made one already OS X Recovery Disk Assistant v1.0
    If none of that works, then I'd try and wipe the entire drive and start over. I'd try to do that from internet recovery. Hopefully one of your external drives has backups on it.
    If that doesn't work, then I'd replace the drive.

  • How do I Reinstall Mountain Lion on a used Macbook Pro?

    So I just recently purchased a 2011 Macbook Pro off of Craigslist.  A friend picked it up for me, installed an extra copy of Windows 8 he had for me under my name, and made sure the OSX Mountain Lion side worked fine.  Somehow, after the first time I restarted OSX it would no longer boot up, but Windows worked fine.  So I booted up in the recovery partition, reformatted the OSX partition, and attempted to install Mountain Lion.
    The problem is that I don't have it listed under my Apple I.D. as purchased, which makes sense because the last Macbook I bought came with Leopard.  I tried to buy it on the Windows side through iTunes, but I'm not able.  So my question is can I just buy Mountain Lion on someone else's Mac through the App store under my I.D., and will I then be able to reinstall Mountain Lion through the recovery partition?
    Or will I have to resort to resetting my Macbook Pro to factory defaults, losing the copy of Windows 8 I was given, and reverting back to the original OS, which I'm guessing is Lion?

    Well, you need to log in to the App Store on a Mac, using your AppleID, and purchase Mountain Lion. Then, on the konked out Mac's Recovery Partition you'll be able to sign in with the same AppleID and download the ML installer you are now eligible to use.

  • Reinstalling Mountain Lion on brand new MPB Retina??

    Hi Everyone,
    I bought my first MBP retina literally 2 days ago. Anyways, last night I saw that I had an update in the iTunes store. The update was for iOS7. Without much thought, I downloaded the update. When it was finished downloading, I clicked "restart now". A few minutes went by and nothing happned. The cursor was gone and everything seemed frozen. So I manually restart the computer.
    When the computer rebooted I kept getting some kind of kernel panic on the boot screen. Nothing would happen. So I rebooted and held command + r. I then proceeded to reinstall a new copy of mountain lion because that was the only thing I could think to do.
    Everything appears to be fine now but I have a few questions.
    1) I didn't run disk utility and erase the disk before reinstalling a new copy of mountain lion. Is that a problem? Do I have two versions of the OS saved on my hard drive or did the new download just overwrite the previous version?
    2) Why was an update for iOS7 showing up in my itunes store?
    3) Should I worry about having to reinstall mountain lion after literally using the macbook for only a few hours.
    Thanks for your help

    New2Mac12 wrote:
    1) I didn't run disk utility and erase the disk before reinstalling a new copy of mountain lion. Is that a problem? Do I have two versions of the OS saved on my hard drive or did the new download just overwrite the previous version?
    2) Why was an update for iOS7 showing up in my itunes store?
    3) Should I worry about having to reinstall mountain lion after literally using the macbook for only a few hours.
    Thanks for your help
    No it is not a problem and the new installation simply overwrote the previous one
    The iOS 7 upgrade is ONLY for iPhones and iPads and should have had no effect on OS X 10.8 (Mountain Lion). I am not sure what you actually did because the normal process for installing iOS 7, or any iOS update or upgrade including iPhone and iPad apps downloads to a folder in the iTunes folder. In fact the iTunes store is the only place to get new or updated software for the iPhone and iPad. Do not confuse the iTunes Store with App Store which is a separate application for downloading and installing Mac OS X updates and software. There is an update to iTunes 11.1 that must be downloaded before attempting to download and install iOS 7. I suspect that is what you actually installed, but I have no idea why it could or would mess up Mountain Lion.  For the last couple of days the Apple download servers have been completely swamped by all the iOS 7 downloads and reports of the downloads taking two and three hours are common. The problem may have been related to that, but that is purely a guess.
    No you should not be concerned about the reinstallation. As I said I do not know what happened, but you should not have been able to install anything to do with iOS 7 on your new Mac.
    Message was edited by: Joe Bailey

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