Do i have to uninstall old OS system if i have just upgraded to mountain lion (macbook 2009 white)

do i have to uninstall old OS system if i have just upgraded to mountain lion (macbook 2009 white)

10.8 will "overwrite" your old system keeping your files and settings.

Similar Messages

  • HT204291 I have a MBP 13-inch, Mid 2010 and have just upgraded to mountain lion and am trying to connect it to my apple tv however i dont get the air play icon on my mac i have followed all the advise on support anyone able to help??

    I have a MBP 13-inch, Mid 2010 and have just upgraded to mountain lion and am trying to connect it to my apple tv however i dont get the air play icon on my mac i have followed all the advise on support anyone able to help??

    stevie, a third party app called airparrot will give you the pretty much the same as mirroring and forks on Macs too old to mirror.

  • Ive just upgraded to Mountain lion, I was using Safari and tried to use iCloud tabs. When I open it up there are no tabs there, anyone have any ideas on how to get it working?

    Ive just upgraded to Mountain lion, I was using Safari and tried to use iCloud tabs. When I open it up there are no tabs there, anyone have any ideas on how to get it working?

    Can you check system update? I think I did a system Update 1st, a day before installing OSX Lion and there is a Safari update. If not try logging in iCloud.

  • I have a 2010 Macbook, and have snow leopard on it. Do I need to upgrade to Mountain Lion first on order to be able to upgrade to Mavericks?

    I have a 2010 Macbook, and have snow leopard on it. Do I need to upgrade to Mountain Lion first on order to be able to upgrade to Mavericks?

    Lanny wrote:
    You shouldn't assume that someone with a 2010 Mac is going to have a lot of incompatible PowerPC software.
    It's wrong for you to assume that they don't care about what they are about to lose, even if it's one PPC program.
    It's not uncommon for people to keep their software up to date.
    It's wrong for you to assume that all software is being updated or that there are Intel versions available.
    I have a mid/late-2007 MacBook Pro 3.1 with 6 Gigs of RAM and a 750 Gig 7200rpm hybrid hard drive that is running Mountain Lion just fine. Performance benchmarks with Geekbench are equal between SL and ML, and the Mac runs about 20 F degrees cooler than it did with SL.
    You took extremely good care of your almost 7 year old machine and judiciously used it, you added more RAM and a faster cooler hybrid drive to make up for the more feature rich yet slower performing Mountain Lion.
    Congratulations, your a conservative.
    It would be nice to have some empathy for the people you advise that they also also don't get suddenly ambused by a OS X upgrade that's going to disable software they care about using still.

  • I have just upgraded to Mountain Lion and my signatures for my Mail is not showing up. I have the signatures inthe preference panes and selected for the email address, but when I make a new message, the signature shows as none and doesn't give me a choice

    I have just upgraded to Mountain Lion and my signatures for my Mail are not showing up. I have the signatures inthe preference panes and selected for the email address, but when I make a new message, the signature shows as none and doesn't give me a choice. Yesterday, the signatures were stacking instead of switching to the one I wanted to choose.

    I had this and fixed it.
    I had upgraded to Mountain Lion and my signatures in Mail were fine. But then about a week later, I got a new computer and used Migration Assistant to copy my stuff to the new machine. Upon opening Mail, I had all the correct Signature information in the Preferences>Signatures window, but nothing worked.
    After lots of hunting, I found the Signature Folder. It's in:
    Yourusername>Library>Mail>V2>MailData>Signatures
    Looking at my previous setup (which works) I saw in that folder two types of files: .webarchive and .siganture
    Looking in my new machine's Signature folder, I saw only the .webarchive folders, not the .signature folders
    Since this was literally a clone of my previous setup to a new machine, here's what I did:
    1. Quit Mail
    2. In Problem machine, go to
    Yourusername>Library>Mail>V2>MailData>Signatures
    3. Move the Signatures folder someplace safe, but out of the MailData folder
    4. Get the Signatures Folder from the working install (like a backup) and copy it to the MailData folder on the problematic machine
    5. Start Mail on the problem machine
    This worked for me. I don't know why Migration Assistant didn't copy the full signature folder, but this fixed it. It worked perfectly partly because I had just backed up with Carbon Copy Cloner and the very next day set up the new machine. I don't know where Lion or earlier versions of mail stored signatures, but the absence of the .signature filetype seems to be the problem.
    Hope this helps

  • I just upgraded to mountain lion and all my mail folders for storing all old emails are gone. How do I get them back?

    I just upgraded to mountain lion and all my mail folders for storing all old emails are gone. How do I get them back?

    Buffzap,
    Make sure that you choose Mail>View>Show Mailbox List, then hover your cursor over one of the subordinate mailbox categories, and you should see "Show." Next click on "Show."

  • I Just upgraded to mountain lion os x to 10.8.1 and I have a problem with restart my computer

    I Just upgraded to mountain lion os x to 10.8.1 and I have a problem with restart my computer.
    Now my computer is stuk on restart and wont turn on.
    Can somone help me with it?
    Thanks.

    If Mende 1's suggestion doesn't solve it you might find the following useful:
    I would first reset the SMC:
    Shut down and unplug the Mac.
    Keep the Mac unplugged for at least fifteen seconds.
    Plug the Mac back in and do not turn it back on for at least five seconds.
    Press the power button to turn the Mac back on.
    Then I would reset the PRAM by rebooting the iMac while simultaneously holding the Command-Option-P-R keys until the machine restarts a second time.
    Hope this helps

  • I have OS X 10.6.8 Can and should i upgrade to mountain lion?

    My wonderful son gave me is MacBook. I am wondering if I can and if I should upgrade to Mountain Lion? I have an iPhone 5 and an iPad 3 and am slowly moving to haveing only Mac Products. I would like them to all work together in the Cloud. What should I do?

    Upgrading to Mountain Lion
    To upgrade to Mountain Lion you must have Snow Leopard 10.6.8 or Lion installed. Purchase and download Mountain Lion from the App Store. Sign in using your Apple ID. Mountain Lion is $19.99 plus tax. The file is quite large, over 4 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.
         OS X Mountain Lion - System Requirements
           Macs that can be upgraded to OS X Mountain Lion
             1. iMac (Mid 2007 or newer)
             2. MacBook (Late 2008 Aluminum, or Early 2009 or newer)
             3. MacBook Pro (Mid/Late 2007 or newer)
             4. MacBook Air (Late 2008 or newer)
             5. Mac mini (Early 2009 or newer)
             6. Mac Pro (Early 2008 or newer)
             7. Xserve (Early 2009)
         Are my applications compatible?
             See App Compatibility Table - RoaringApps - App compatibility and feature support for OS X & iOS.
    We can't tell you what to do. Go to Apple's website and inform yourself of Mountain Lion's features to determine if it would benefit you to upgrade. Upgrading isn't mandatory nor always the best thing to do. If Snow Leopard serves all your needs well, then there is no need to upgrade unless you want certain features that would require upgrading. For example, if you want to use iCloud, then you have to upgrade because iCloud is not available for Snow Leopard.

  • I have a mac book 10.4.11. how do i upgrade to mountain lion?

    Do i have to download operating systems in oder or can i just download mountain lion?

    Upgrading to Mountain Lion
    You can upgrade to Mountain Lion from Lion or directly from Snow Leopard. Mountain Lion can be downloaded from the Mac App Store for $19.99. To access the App Store you must have Snow Leopard 10.6.6 or later installed.
    If you need to purchase Snow Leopard you can still purchase a copy from Apple's online store's telesales agents.[1-800-MY-APPLE (1-800-692-7753) or Customer Service and Sales Support at 1-800-676-2775.] Ask for a Sales Representative.
    Third-party sources for Snow Leopard are:
    Snow Leopard from Amazon.com
    Snow Leopard from eBay
    After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store.
    If you need to purchase Lion call 1-800-692-7753 or 1-800-676-2775. Ask for a Sales Representative. They will check your Apple ID, and email you a code and instructions.  The cost is $29.99 (as it was before) plus tax.  It's a download.
    Be sure your computer meets the minimum requirements:
    Apple - OS X Mountain Lion - Read the technical specifications.
    Macs that can be upgraded to OS X Mountain Lion
    iMac (Mid 2007 or newer)
    MacBook (Late 2008 Aluminum, or Early 2009 or newer)
    MacBook Pro (Mid/Late 2007 or newer)
    MacBook Air (Late 2008 or newer)
    Mac mini (Early 2009 or newer)
    Mac Pro (Early 2008 or newer)
    Xserve (Early 2009)
    Are my applications compatible?
    See App Compatibility Table - RoaringApps - App compatibility and feature support for OS X & iOS.
    Am I eligible for the free upgrade?
    See Apple - Free OS X Mountain Lion upgrade Program.
    For a complete How-To introduction from Apple see Apple - Upgrade your Mac to OS X Mountain Lion.

  • If I have OS X 10.5.8 installed, how do I upgrade to Mountain Lion? Do I need Snow Leopard first?

    I have a MacBook Pro from 2008, and I would like to install Mountain Lion, but I currently have 10.5.8 (which I think is Tiger?). Do I need Snow Leopard first in order to get Mountain Lion? Where can I buy Mountain Lion (since I can't get Mac App Store with my current OS...
    Thanks!
    Jo

    You'll need to purchase Snow Leopard (10.6) from the Apple Store before you can use the App Store application.

  • Help!!! Just upgraded to Mountain Lion and I have a kernel panic!

    Upgraded my MacBook Pro 15" from Lion to Mountain Lion and I get the following kernel panic at each restart:
    panic(cpu 1 caller 0xffffff8000540a4f): Process 1 exec of /sbin/launchd failed, errno 2"@/SourceCache/xnu/xnu-1699.26.8/bsd/kern/kern_exec.c:3546
    [IOBluetoothHCIController::setConfigState] calling registerService
    Then the backtrace fllowed by:
    BSD process name corresponding to current thread: init
    Boot args: config="\OS X Ibstall Data\cpm.apple.Boot"
    Mac OS version:
    Not yet yet set
    Kernel version:
    Darwin Kernel Version 11.4.0: Mon Apr 9 ...
    Any help will be appreciated.
    Thanks,
    Youssef

    Ok, ressetting the PRAM did the trick for me. I should have read a similar thread about a kernel panic after installing Mountain Lion (https://discussions.apple.com/message/19020046#19020046) :-(
    It's now installing the OS. Crossing my fingers!
    Y.

  • I have just upgraded to Mountain Lion and on going back into Mail all my Mailboxes have disappeared, how do I get them back?

    Help with Mountain Lion and Mail

    Hi Anitra,
    Did you updated from OSX Lion to Mountain Lion? And iPhoto was installed on your Mac? Then iPhoto and the Library must still be on your Mac.
    Go to finder and slect 'Applications'. iPhoto must be in that folder. Open iPhoto. See what happens. Are all your pictures/events displayed?
    If not, please reply and we will try to locate the iPhoto Library.

  • I have just upgraded to mountain lion and now can not use iphoto how do I get to my photos?

    iPhoto just has a no entry sign on it after up dating to mountain lion how do I now use iPhoto please?

    Hi Anitra,
    Did you updated from OSX Lion to Mountain Lion? And iPhoto was installed on your Mac? Then iPhoto and the Library must still be on your Mac.
    Go to finder and slect 'Applications'. iPhoto must be in that folder. Open iPhoto. See what happens. Are all your pictures/events displayed?
    If not, please reply and we will try to locate the iPhoto Library.

  • I have upgraded to Mountain Lion. Do I need to retain my OS X Lion Install Thumbdrive?

    I've just upgraded to Mountain Lion.
    I prefer to have a backup of my Install Application so I made a Bootable Tumbdrive of the Application (using Lion Diskmaker). I ran the Application as an uprade to the Lion installation on my computer (which was a clean install using the thumbdrive version of the Installer).
    Planning ahead, if I need/want to do a complete re-install of Mountain Lion, do I need (with my current set of tools/packages) to retain the Lion Installer, run that first and then do an upgrade to Mountain Lion or is the application that I downloaded sufficient on its own.
    Short version: does the Mountain Lion installer operate as a complete fresh install if you run it off a thumbdrive?
    On a side note, does the Lion Installer Thumbdrive come complete with iLife applications (I understand they're not bundled in the Mountain Lion Installer)?
    Thanks!

    Yes if you create a ML install thumb drive you can install ML clean without any previous version of OS X installed on the system.
    No neither Lion or Mountain Lion come with the iLife Apps. They are completely separate from the OS. To my knowledge there is no way to download and save them from the Mac App store. They are downloaded and installed as a Package from the MAS.
    If your system came with Lion preinstalled then when you do a clean install of either you then have to go to the MAS, look in your Purchases area, and download/install those.
    If by chance your Mac came with Snow Leopard Pre-Installed then there is also an Applications Reinstall DVD that came with your system. You would need to use that DVD to reinstall the iLife apps then update them with Software Update.

  • HT1338 i have purchased lion from app store but still now i have not installed can i upgrade to mountain lion

    i have bought lion may 2012 from apple app store but still i have not installed in my mac book pro can i upgrade to mountain lion for free

    because it was a demo laptop when i bought it i was trying to update my app it was asking for user id password i gave my apple id but it says like this id is not valid  i think it was reg in different id when i bought so that the reason i bought new Mac OS but in my lap i already lion has pre installed so that the reason i was keep pending
    now i thought of instaling what i bought from my id if it is possiable to get moutain lion please update if possiable

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