If I will install OS X Lion on the same partition that the Snow Leopard is I will loose all of my data?

If I will install OS X Lion on the same partition that the Snow Leopard is I will loose all of my data?

One can't guarantee no data loss.  See my backup FAQ*:
http://www.macmaps.com/backup.html
All else being equal, it will upgrade you to 10.7, but applications and drivers may need to be updated too.  See my other FAQ* for other possible pitfalls:
http://www.macmaps.com/upgradefaq.html#LION

Similar Messages

  • HT1444 If i download the new OS X Mountain Lion to my Macbook Pro that has Snow Leopard, will i lose my apps and downloads (such as: Microsoft word, powerpoint, excel, oovoo, skype) and will i lose all of my pictures/documents and information?

    If i download the new OS X Mountain Lion to my Macbook Pro that has Snow Leopard, will i lose my apps and downloads (such as: Microsoft word, powerpoint, excel, oovoo, skype) and will i lose all of my pictures/documents and information?

    I should just change the OS and leave all your apps and data alone.  That said, if any of your apps are old and use Rosetta (ppc apps), they won't run under Mountain Lion.
    Make sure you take a good Time Machine or Clone backup before you convert.
    You can check compatibility of your apps here:
    http://roaringapps.com/apps:table

  • I have an iMac mid-2010 running Snow Leopard. Is it possible to install Mavericks and Windows 8 on separate partitions while keeping Snow Leopard?

    I have an iMac mid-2010 running Snow Leopard 10.6.8. Is it possible to install Mavericks and Windows 8 on separate partitions while keeping Snow Leopard? If so, can you describe the steps?

    That should not be a problem as long as there is enough room on each partition for each OS.
    You would:
    Use Disk Utility to partition your HD
    Download the Mavericks installer and install it on one of the open partitions (when you run the installer from your 10.6.8 partition, it will ask you where you want to put Mavericks, and you will specify one of the open partitions).
    Use Boot Camp to install Windows on another of the open partitions. Mac Basics: Using Windows on your Mac via Boot Camp

  • HT4623 I just tried to update to iOS6.  It says that an error occurred and I have to restore my iphone.  I think I will loose all of my data.  Do I have any alternatives?

    I just tried to update to iOS 6.  It says that an error occurred and I have to restore my iPhone.  I know I will loose all of my data.  Do I have any other alternatives?

    Nope, you'll have to restore.
    Hope you have a backup to restore to.

  • Migrate the mountain lion upgrade the snow leopard personal items

    this is my question

    If you install Mt. Lion over Snow Leopard, your data will not be changed.  Is that your query?
    Regardless, a backup is useful to have at all times.
    Ciao.

  • Can't install OSX Mountain Lion, on the disk selection screen i cant select the Macintosh HD to install OSX giving a message (This disk cannot be used to start up your computer).only have one disk to select and my partition map scheme is GUID partition

    just bough OSX Mountain Lion, my laptop operating with v10.6.8.  Can't install OSX Mountain Lion, on the disk selection screen i cant select the Macintosh HD to install OSX giving a message (This disk cannot be used to start up your computer).only have one disk to select and my partition map scheme is GUID partition table. 24.44gb disk available.

    Verify your computer can run Mountain Lion:
    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) - Model Identifier 7,1 or later
             2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) - Model Identifier 5,1 or later
             3. MacBook Pro (Mid/Late 2007 or newer) - Model Identifier 3,1 or later
             4. MacBook Air (Late 2008 or newer) - Model Identifier 2,1 or later
             5. Mac mini (Early 2009 or newer) - Model Identifier 3,1 or later
             6. Mac Pro (Early 2008 or newer) - Model Identifier 3,1 or later
             7. Xserve (Early 2009) - Model Identifier 3,1 or later
    To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.
    Open Disk Utility and verify the drive is partitioned using GUID and formatted Mac OS Extended, Journaled. If it is then do this:
    Repair the Hard Drive and Permissions
    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 Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
    If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
    Now try installing Mountain Lion.

  • My MACBOOK Pro turned out to be Snow Leopard, and later upgraded to LION. And update the EFI, I would like to replace the Snow Leopard, EFI can not boot, how do? How to use the Snow Leopard install disk to reduce EFI?

    My MACBOOK Pro turned out to be Snow Leopard, and later upgraded toLION. And update the EFI, I would like to replace the Snow Leopard, EFIcan not boot, how do? How to use the Snow Leopard install disk to reduce EFI?

    Do you mean some of your software does not work in Lion? Do you want to return to using Snow Leopard? If so, then do this:
    Downgrade Lion to Snow Leopard
    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 Utilities menu.
    2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area.  If it does not say "Verified" then the drive is failing or has failed and will need replacing.  SMART info will not be reported  on external drives. Otherwise, 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. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID then click on the OK button. Click on the Partition button and wait until the process has completed.
    4. Quit DU and return to the installer. Install Snow Leopard.
    This will erase the whole drive so be sure to backup your files if you don't have a backup already. If you have performed a TM backup using Lion be aware that you cannot restore from that backup in Snow Leopard (see below.) I suggest you make a separate backup using Carbon Copy Cloner 3.4.1.
    If you have Snow Leopard Time Machine backups, do a full system restore per #14 in Time Machine - Frequently Asked Questions.  If you have subsequent backups from Lion, you can restore newer items selectively, via the "Star Wars" display, per #15 there, but be careful; some Snow Leopard apps may not work with the Lion files.

  • I've installed LION.  Is it possible to put Snow Leopard on an external hard drive?

    I've installed LION.  Is it possible to put Snow Leopard on an external hard drive?

    I was unaware of this change for usb support! However Babowa makes a good point in that you would probably not want to run SL via USB and rather Firewire.
    Having said that, the 13" MacBooks do not have firewire.
    But again as Babowa points out, that machine wouldn't be able to run Lion anyway.

  • I used my snow leopard disk to erase my hard drive. Now I want to eject the snow leopard disk to clean install from the lion boot disk I made. How do I eject the snow leopard disk?

    I used my snow leopard disk to erase my hard drive. Now I want to eject the snow leopard disk to clean install from the lion boot disk I made. How do I eject the snow leopard disk? It is the start up disk and I can't figure out how to get it out of the computer so I can put my lion boot disk in. Thanks

    turn the mac all the way off. turn the mac on by pressing the power button. as soon as the apple logo appears, pres and hold your mouse button(trackpad mouse clicker etc...) until the CD comes out.

  • I want to install os x lion but the app store doesn't offer a 'buy' option. Any ideas ?

    I want to install os x lion but the app store doesn't offer a 'buy' option. Any ideas ?

    Do you see a price next to Lion ($29.99 or local equivalent)? Click that to purchase and download it. You'll have to sign in if you're not already.
    Also, your profile is wrong if you don't already have Lion (which IS 10.7).
    Matt

  • I have 3 macs. 2 are Lion, 1 I left Snow leopard so I can access data from my old Quicken Application that doesn't work with Lion. If I move to iCloud, will I no longer be able to access my MobileMe email on the Snow Leopard mac?

    I have 3 macs. 2 are Lion, but 1 I left Snow leopard so I can access data from my old Quicken Application that doesn't work with Lion. If I move to iCloud, will I no longer be able to access my MobileMe email on the Snow Leopard mac?

    What version of word do you have? The TS3938 sounds like it's a PowerPC app- written for an old architecture that is no longer supported in Lion. If this is the case, your files are fine- you just need a newer version of word that will run in Lion in order to open them. The newest version (2011) should be readily available anywhere, and has worked fine for me ever since I switched to Lion on release day....

  • Can't install OSX Mountain Lion, on the disk selection screen i cant select the Macintosh HD to install OSX giving a message (This disk cannot be used to start up your computer).

    Can't install OSX Mountain Lion, on the disk selection screen i cant select the Macintosh HD to install OSX giving a message (This disk cannot be used to start up your computer).

    Read
    https://discussions.apple.com/message/15659267#15659267

  • I want to upgrade from Tiger 10.5 to Lion. I need to install the snow leopard first but they stoped shipping it to Greece. How do I get it? Please help.

    Hello guys!
    I am facing a big problem.  I need to upgrade from OS X 10.5 to Lion BUT I need to upgrade to Snow Leopard first. They have stoped shipping to Greece and I am not able to find it anywhere (even Amazon does not ship this product here!!!) What I am supposed to do? Please help me.

    Clone backup your hard drive at least twice*:
    http://www.macmaps.com/backup.html
    Erase and install Lion from the USB Flash Drive version that's available on the online store.
    Use the Migration Assistant to import the data, if you are certain everything is compatible with Lion.  Read this user tip to determine if it might be incompatible:
    https://discussions.apple.com/docs/DOC-2465
    If you have any PowerPC (Rosetta) Applications, you may have to manually import the data from the backup:
    https://discussions.apple.com/docs/DOC-2295
    And then find the applications that are equivalent to them that are Lion compatible.

  • I am trying to install Lion OS X over Mac OS X Snow Leopard 10.6.8

    I am trying to install Lion OS X over Mac OS X Snow Leopard 10.6.8
    I get an error message: "There are currently other logged in users who must be logged out before you install Mac OS X".
    I switch to log out other users and deleted everyone listed. It still says: ....
    There is no one else left. I don't know what to do now.
    Bill

    I don't know what you mean by "I switch to log out other users and deleted everyone listed" -- if other user accounts are on your Mac you just need to log them out, not delete anything -- but it may be that there are other user accounts you aren't aware of on the Mac.
    Are you an admin user? Did you originally set up this Mac?

  • My DVD player will not work. I am unable to install the snow leopard 10.6.3 because of it.

    My DVD player will not work. I am unable to install the snow leopard 10.6.3 because of it.

    Do you have a friend with an Intel Mac. If your MacBook and their Mac have firewire ports you can install by Target Disk Mode. You'll need a retail version of SL to do this with any Mac other than a MacBook.
    Start up your friend's Mac with your install disk. After you get to the install screen on your friend's Mac connect your MacBook to your friend's Mac in "Target Mode"with a firewire cable http://support.apple.com/kb/HT1661
    Then open "Disk Utility" from the "Utilities Menu" on the Menu Bar from the install disk on your friend's Mac. You should see both your MacBook and your friend's Mac hard drives in there. Erase and partition your MacBook drive and then choose that drive when you go back to the install screen. Or install over your existing OS on your drive if you have applications you want to keep.
    The only other way is to buy an external DVD drive on eBay. http://shop.ebay.com/i.html?_nkw=firewire+external+dvd+drive&_sacat=0&LH_BIN=1&_ sop=15&_dmpt=Apple_Laptops&_odkw=usb+external+dvd+drive&_osacat=0&_trksid=p3286. c0.m270.l1313 or at MacSales http://eshop.macsales.com/shop/firewire/optical-drives/
    And of course be sure your Macbook meets the system requirements. To upgrade to Snow Leopard or install Snow Leopard for the first time, you must have a Mac with:
    An Intel processor.
    An internal or external DVD drive, or DVD or CD Sharing.
    At least 1 GB of RAM (additional RAM is recommended).
    A built-in display or a display connected to an Apple-supplied video card supported by your computer.
    At least 5 GB of disk space available.

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