Save my application when I format my mac

Discussion in 'Mac Apps and Mac App Store' started by Dontknows, Jun 15, 2011.

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  1. Dontknows, Jun 15, 2011

    Dontknows macrumors newbie

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    Jun 15, 2011
    #1
    Hey Guys...
    I have some really basic questions that I need to figure out before I loose irreplaceable stuff.

    1. I would like to upgrade my MacBookPro to Snowlepord. I have the CD and all the instruction so with that I think I am set.

    2. In case I will do that, what should I do so my iPhoto library will remain the same with all the event and all the albums? Where should I save it and in what way? Do I really need to open different libraries and save them separately? or I should retrieve it from TimeMachine? If so, would it work although I am upgrading my iLife as well?

    3. Same as for number 2 just with iTunes?

    4. What should I do with all my applications, again I will format my computer. Should I save them in a regular external HD or should I retrieve them from TimeMachine? would I need all the passwords for them? if yes, how can I avoid it?

    I hope you can help me guys.
    I really want to upgrade and I am afraid I will actually make my environment less, since I will loose so much. Have this project that needs to be done.
    I really appreciate your help.
     
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  2. ratzzo, Jun 15, 2011

    ratzzo macrumors 6502a

    ratzzo

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    #2
    The process involves total wiping of the hard drive to install a new copy of Snow Leopard, so you would lose anything you currently have if you don't have it backed up. You would only need to back up your iPhoto library, because you can re-download purchased apps at any time through the iTunes App Store. If you're afraid if not remembering passwords, pay a visit to your KeyChain app which stores all your passwords, so that you don't miss any.
     
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  3. Mal, Jun 15, 2011

    Mal macrumors 603

    Mal

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    #3
    Just run the installer and don't wipe (or format) your hard drive. It's very rarely necessary or helpful to completely wipe your drive. If you run the installer normally, you won't have any trouble.

    jW
     
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  4. alust2013, Jun 15, 2011

    alust2013 macrumors 601

    alust2013

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    #4
    It's not necessary to wipe it to upgrade. I just popped the disk in and ran the installer, and about an hour later I was ready to go with all of my data intact.
     
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  5. Dave Braine, Jun 16, 2011

    Dave Braine macrumors 68040

    Dave Braine

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    #5
    No it doesn't. Where did you get that idea from? :confused:
     
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  6. Dontknows, Jun 18, 2011

    Dontknows thread starter macrumors newbie

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    Jun 15, 2011
    #6
    thank you all

    I am quite sure I need to fully erase the HD since I have only OS X 10.5.8

    Regarding my data, I am worried it won't stay the same as it is, meaning e.g. iPhoto events and albums wont last. When I will migrate filled from my TimeMachine backup.

    Should I do a different back up (regular- like in PC)? Should I trust time machine to retrieve my applications ( not all purchased by me)?
    I only ask because I don't want the upgrade to collide with a backup pre-upgrade.

    Thank you for the help
     
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  7. maflynn, Jun 18, 2011

    maflynn Moderator

    maflynn

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    #7
    External disks are quite inexpensive and its always a good idea to back up your system.

    As others have stated if you plan on reformatting your drive (which is not required for the upgrade), you need to either back up your apps or reinstall. Of course your data is another concern, pictures, documents, movies etc. You'll want to retain them as well.
     
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  8. Fishrrman, Jun 18, 2011

    Fishrrman macrumors G5

    Fishrrman

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    #8
    "Should I do a different back up (regular- like in PC)? Should I trust time machine to retrieve my applications ( not all purchased by me)?"

    If you already have a backup drive, I suggest you get ahold of the free "CarbonCopyCloner" app (bombich.com) and create a "bootable clone" of your current hard drive BEFORE you upgrade.

    Once the clone has been created, to a TEST BOOT from it, to BE SURE that it is a "dupe" of your internal drive and will boot your Mac.

    Once that's done, you can "wipe" the internal if you wish, and do a fresh install of Snow Leopard.

    As other posters have suggested, you probably don't need to erase what's on the internal drive -- just boot from the Snow Leopard DVD and let the installer do its thing. At the appropriate moment (after the installation is completed), the installer will ask if you wish to transfer your data -- yes, you want to do that.

    After the data is transferred do a reboot, again to BE SURE that everything looks the way you want it to look. Then you can trash the "old" system if you wish.

    I'd still recommend creating a dupe of the "old" drive (i.e., the way things are before you do the upgrade) using CCC and retaining that for several days, until you are satisfied that things are working OK....
     
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  9. Mal, Jun 18, 2011

    Mal macrumors 603

    Mal

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    #9
    No, you really freakin' don't. I cannot figure out where this crap comes from? I'm not blaming you, OP, because it's floating out there everywhere, but it's absolute nonsense. You could have a machine with 10.1 running on it now, and if that machine were capable of running 10.7 (obviously none are, but it's not relevant), then you could install 10.7 without erasing the hard drive or losing a single file.

    Always back up anyways, but you absolutely do not have to erase your hard drive, and I would highly recommend against doing so.

    jW
     
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