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Q: How do I uninstall Lion

How do I uninstall Lion?

Posted on Jul 22, 2011 1:25 PM

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Q: How do I uninstall Lion

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  • by nareshfromhudson,

    nareshfromhudson nareshfromhudson Jan 4, 2012 6:38 PM in response to Barry Hemphill
    Level 1 (5 points)
    Photos for Mac
    Jan 4, 2012 6:38 PM in response to Barry Hemphill

    I heard from Apple Genius Bar today that my 2009 MBA with 2 GB of RAM is not suitable to run Lion. I was told that 2 GB is not enough.

  • by Allan Eckert,

    Allan Eckert Allan Eckert Jan 4, 2012 6:43 PM in response to nareshfromhudson
    Level 9 (53,887 points)
    Desktops
    Jan 4, 2012 6:43 PM in response to nareshfromhudson

    I have a MBP that is running with 2 GB of RAM so whoever told you that is full of it like a Thanksgiving turkey.

     

    My MBP will even run Aperture. It is not the fastest at running it but it works.

     

    I think they wanted to sell you more RAM.

     

    Allan

  • by Csound1,

    Csound1 Csound1 Jan 4, 2012 6:56 PM in response to nareshfromhudson
    Level 9 (50,953 points)
    Desktops
    Jan 4, 2012 6:56 PM in response to nareshfromhudson

    nareshfromhudson wrote:

     

    I heard from Apple Genius Bar today that my 2009 MBA with 2 GB of RAM is not suitable to run Lion. I was told that 2 GB is not enough.

     

    That my friend is excrement of a bovine variety.

  • by MuggsMcGinnis,

    MuggsMcGinnis MuggsMcGinnis Feb 27, 2012 10:55 AM in response to Kappy
    Level 1 (15 points)
    Feb 27, 2012 10:55 AM in response to Kappy

    How will a clone of the disk be useful in restoring files? Will Snow Leopard be able to mount the external drive created by Lion? Will Carbon Copy be able to restore files from a backup done on Lion to the Snow Leopard file system?

  • by Ocean Digital,

    Ocean Digital Ocean Digital Feb 28, 2012 8:36 AM in response to MuggsMcGinnis
    Level 1 (4 points)
    iPhone
    Feb 28, 2012 8:36 AM in response to MuggsMcGinnis

    MuggsMcGinnis wrote:

     

    How will a clone of the disk be useful in restoring files? Will Snow Leopard be able to mount the external drive created by Lion? Will Carbon Copy be able to restore files from a backup done on Lion to the Snow Leopard file system?

    A clone is only useful if something really bad happens during the downgrade, you want to be able to recover your existing state just in case. 

     

    The only way to downgrade is to do a clean install on a formatted disk.

  • by Csound1,

    Csound1 Csound1 Feb 28, 2012 2:52 PM in response to MuggsMcGinnis
    Level 9 (50,953 points)
    Desktops
    Feb 28, 2012 2:52 PM in response to MuggsMcGinnis

    MuggsMcGinnis wrote:

     

    How will a clone of the disk be useful in restoring files? Will Snow Leopard be able to mount the external drive created by Lion? Will Carbon Copy be able to restore files from a backup done on Lion to the Snow Leopard file system?

    The clone is a safety measure, in case of failure during the downgrade you will have somewhere left to go.

  • by MuggsMcGinnis,

    MuggsMcGinnis MuggsMcGinnis Feb 29, 2012 9:43 AM in response to Csound1
    Level 1 (15 points)
    Feb 29, 2012 9:43 AM in response to Csound1

    Actually, Csound1, I believe the disk copy is key to the entire process. Going from Lion to Snow Leopard entails wiping the system disk. Time Machine backups done in Lion are not readable by Snow Leopard. So, the only way to complete the process and get your personal files back is to restore from a backup.

  • by Csound1,

    Csound1 Csound1 Feb 29, 2012 10:40 AM in response to MuggsMcGinnis
    Level 9 (50,953 points)
    Desktops
    Feb 29, 2012 10:40 AM in response to MuggsMcGinnis

    MuggsMcGinnis wrote:

     

    Actually, Csound1, I believe the disk copy is key to the entire process. Going from Lion to Snow Leopard entails wiping the system disk. Time Machine backups done in Lion are not readable by Snow Leopard. So, the only way to complete the process and get your personal files back is to restore from a backup.

    If your computer came with 10.6 and you clone it before installing Lion, you can clone back and all will work, if it came with Lion installed obviously you can not. Please note that you will still have to find a way to transfer all data created from the time that Lion was installed as it won't be on the clone.

     

    Disk Copy is a windows command that does not create a clone, I am talking exclusively about clones!

  • by MuggsMcGinnis,

    MuggsMcGinnis MuggsMcGinnis Feb 29, 2012 11:08 AM in response to Csound1
    Level 1 (15 points)
    Feb 29, 2012 11:08 AM in response to Csound1

    Csound1, that's what I said.

  • by Csound1,

    Csound1 Csound1 Feb 29, 2012 11:09 AM in response to MuggsMcGinnis
    Level 9 (50,953 points)
    Desktops
    Feb 29, 2012 11:09 AM in response to MuggsMcGinnis

    I'm sorry, but I am not sure what you said.

  • by MBCivil,

    MBCivil MBCivil Jul 21, 2012 1:22 PM in response to Kappy
    Level 1 (0 points)
    Jul 21, 2012 1:22 PM in response to Kappy

    Hey Kappy!  You have helped me before and I have a quick question on restoring from a backup.  I am re-installing Snow Leopard from Lion on my daughter's macbook.  When SL finishes, what do I need to do to restore from her last SL back-up.  The good news is that there is not a lion backup on her time machine external drive.

     

    Thanks

  • by Richard Scotte,

    Richard Scotte Richard Scotte Aug 7, 2012 8:50 PM in response to Patricia Woerth
    Level 1 (5 points)
    Aug 7, 2012 8:50 PM in response to Patricia Woerth

    It's a good thing the instructions start by saying "backup everything" so now you'll be able to go to your backup and restore the missing bits. Good luck

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