Lion To Snow Leopard file recovery

So I had upgraded to OSX Lion a few months ago, and right after I "upgraded" I experienced problems with the internet at my college. I dealt with it for a while but when I became fed up I went to the apple store and said that I wanted to downgrade to snow leopard. i bought an external harddrive and backed up my computer to it. the next day i went back and had them reset my computer to the original settings, and they told me that when i got home i could plug in my backup drive and everything would transfer. I plugged it in and it said that I could not transfer my files because they were from a computer running a newer version of mac os and i would have to upgrade to use them. I obviously don't want to do this, because the newer os was the problem in the first place. So my question is: Is it possible to transfer all of my files from my backup drive while keeping snow leopard running, and if so, how?

Downgrade Lion/Mountain 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.
If you have Snow Leopard Time Machine backups made while on Snow Leopard, then you may 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/Mountain Lion files.

Similar Messages

My 'old' files have been backed up onto time capsule (Leopard), I have upgraded to Lion (thro snow leopard) and now checking back to retosre some old files i can't see or access beyond the date I upgraded to Lion? Help please?

My 'old' files have been backed up onto time capsule (Leopard), I have upgraded to Lion (thro snow leopard) and now checking back to retosre some old files i can't see or access beyond the date I upgraded to Lion? Help please?

Use the manual methods.. but it is possible for TM to wipe the old files in trying to fit into the space.
Try Q16.. but read all the section 14-17
http://pondini.org/TM/FAQ.html

I upgraded to mountain lion from snow leopard, now my photo studio software is no longer supported by powerpc. Does anyone know of a fix so my photostudio will work?

I upgraded to mountain lion from snow leopard, but now some of my applications do not work, most specifically I would like to use my photo studio, but now it tells me that powerpc is no longer supported. Does anyone have any fixes to this problem? I would really like to continue to use software that I already have! Thank you for your help!

PPC software will not work in Mountain Lion because there is no longer any Rosetta emulator. You will only be able to run your older software by creating another partition on your hard drive on which you can install Snow Leopard. It need not be a large partition since you can still keep your files and programs on the main partition. You could also install Snow Leopard on an external drive from which to boot the computer.
To resize the drive do the following:
1. 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.
After the main menu appears select Disk Utility and click on the Continue button. Select the hard drive's main entry then click on the Partition tab in the DU main window.
2. You should see the graphical sizing window showing the existing partitions. A portion may appear as a blue rectangle representing the used space on a partition.
3. In the lower right corner of the sizing rectangle for each partition is a resizing gadget. Select it with the mouse and move the bottom of the rectangle upwards until you have reduced the existing partition enough to create the desired new volume's size. The space below the resized partition will appear gray. Click on the Apply button and wait until the process has completed. (Note: You can only make a partition smaller in order to create new free space.)
4. Click on the [+] button below the sizing window to add a new partition in the gray space you freed up. Give the new volume a name, if you wish, then click on the Apply button. Wait until the process has completed.
You should now have a new volume on the drive.
It would be wise to have a backup of your current system as resizing is not necessarily free of risk for data loss. Your drive must have sufficient contiguous free space for this process to work.
After you create the new partition boot the computer from your Snow Leopard DVD and install Snow Leopard onto the new partition.

How do I upgrade from Lion to Snow Leopard?

Snow Leopard has this great feature called Expose which is a great improvement on Lion's App Expose (and Mission Control).
Can someone point me to the steps I need to take to upgrade from Lion to Snow Leopard?

Written just for you (ok it's a paste)
Back to Snow Leopard from Lion install method
Read and print out these instructions, your computer is going to be offline and you wil be cutoff from help until your machine is restored.
Clear the Desktop, Downloads and Trash of anything you wish to keep by placing their files in the respective Documents, Music, Pictures, Movie folders.
Disconnect other drives except the backup drive as to avoid any mistake.
Backup ALL your Users folders (Documents, Pictures, Movies, Music etc) manually (drag and drop methods) to a (not TimeMachine) external powered drive (HFS+ journaled formatted in Disk Utility) and disconnect, your going to be wiping the entire disk of ALL DATA. (warning, everything will be gone and not recovered, OS, programs, files, Windows etc all gone.)
Note: You might want to hold c and boot off the 10.6 installer disk and use Disk Utility to format the new blank external drive instead of using OS X Lion that's hosed. Then reboot into Lion and copy files, be safer that way perhaps.
Here we go!
Hold c and boot off the 10.6 installer disk that comes with your computer and second screen in just STOP there, don't install OS X yet.
Look at the Utilities Menu for Disk Utility.
On the left is the name of your hard drive maker, click it and Erase (format HFS+ Journaled), give it the same drive name as before, and click Erase...
(note: if you want to "scrub" the drive of old files that haven't been overwritten yet, then use the Security Option > Zero Erase, takes a lot longer)
This should wipe the drive of ALL partitions (GUID, OS X and 10.7 Recovery, Windows if present)
When it's done, quit and install OS X 10.6. Then install all your programs from fresh sources and validate/update.
When you setup a first account, use the same user name as before, this way you can simply drag and drop the content of your previous Users folders from the external drive right back into the new Users folders and everything should work peachy. Links in iTunes to music, playlists and iPhoto links especially.
Update OS X to 10.6.8 using the Combo Update for best results.
http://support.apple.com/kb/DL1399
(Note: If your original machine had 10.5 and you want the free iLife that comes with the disks with the computer, then you'll have to install 10.5 first using the same c boot/erase/format methods as above, then update to 10.6 via the disk, then Combo Update 10.6.8)
Final step optional but highly recommended.
A lot of people use a Carbon Copy Clone of their boot drive to a new HFS+Journaled external drive (used only for this purpose) as a "hold the option key" bootable backup in case something goes wrong with their boot drive or need to restore to a previous OS X version.. (in addition to TimeMachine drive for more immediate backups.)
It's not advised to have a Bootable Clone and a TimeMachine partition on the same external drive, as two drives gives hardware protection in case one fails.

I had Leopard on may Mac. I upgraded to Mountain Lion using Snow Leopard. I can't use my video with Mountain Lion. Can I load Snow Leopard on an external hard drive so I can use it with my camera?

I had Leopard on may Mac. I upgraded to Mountain Lion using Snow Leopard. I can't use my video with Mountain Lion. Can I load Snow Leopard on an external hard drive so I can use it with my camera?

First, you cannot do this if you have a Boot Camp partition.
Second: Create a new partition.
1. 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.
After the main menu appears select Disk Utility and click on the Continue button. Select the hard drive's main entry then click on the Partition tab in the DU main window.
2. You should see the graphical sizing window showing the existing partitions. A portion may appear as a blue rectangle representing the used space on a partition.
3. In the lower right corner of the sizing rectangle for each partition is a resizing gadget. Select it with the mouse and move the bottom of the rectangle upwards until you have reduced the existing partition enough to create the desired new volume's size. The space below the resized partition will appear gray. Click on the Apply button and wait until the process has completed. (Note: You can only make a partition smaller in order to create new free space.)
4. Click on the [+] button below the sizing window to add a new partition in the gray space you freed up. Give the new volume a name, if you wish, then click on the Apply button. Wait until the process has completed.
You should now have a new volume on the drive.
It would be wise to have a backup of your current system as resizing is not necessarily free of risk for data loss. Your drive must have sufficient contiguous free space for this process to work.
Third: Install Snow Leopard.
Boot from your Snow Leopard DVD. Follow instructions for installation being sure that before you actually install Snow Leopard you have selected the new partition as your target destination.
Booting From An OS X Installer Disc
1. Insert OS X Installer Disc into the optical drive.
2. Restart the computer.
3. Immediately after the chime press and hold down the "C" key.
4. Release the key when the spinning gear below the dark gray Apple logo
appears.
5. Wait for installer to finish loading.

Exporting OS X Mail from Mountain Lion to Snow Leopard

After upgrading to Mountain Lion, I partitioned my iMac HD to have two partitions: Macintosh HD has Mountain Lion; I reinstalled Snow Leopard on Macintosh HD 2. Best part: you can access your user-created files from EITHER disk partition. But not so OS X Mail. I wanted to revert to Snow Leopard, since I don't like the iOS-like Mountain Lion (swipe THIS!), but Mail was a problem since all my Snow Leopard Mail was successfully migrated over to Mountain Lion during upgrade. But I think I found a way to Export Mail from ML to (a clean install of) SL.
Try this:
1. Open Mail in ML. For each folder you wish to have back in SL, Export it to your ML Desktop as an .mbox file. Depending on the folder size, this can take from a few seconds to several minutes. You'll see an .mbox icon for the particular folder on your Desktop. If the word "partial" appears between the folder name and the .mbox suffix, wait a few moments for the Export to complete, at which time the word "partial" will disappear. E.g., for a folder named "Mary", if it's a huge one, the icon will first appear as "Mary.partial.mbox"; when the Export is done, you'll see "Mary.mbox".
2. When you've Exported all your desired folders as above, you can exit ML and re-start your Mac in SL. Open Mail in Snow Leopard, and once again, for each file you just Exported in ML to the Desktop there, select "Import Data From Apple Mail" and choose the folder from the Desktop in ML to which your mboxes were Exported. When the Import starts, you can see via a progress bar how far along it is. When done, you'll see a new folder in your SL Mail called "Import"; click on it to reveal the folder you just Imported!
3. Then drag the folder you just Imported out of the Import folder to "On My Mac" in SL Mail; you can then delete the Import folder.
4. Repeat until all your folders are where you want them (in SL).
5. When you have time, go back into ML and clear all those .mbox files from your Desktop.
There MAY be an easier way, but this is what worked for me.

The iOS view vs classic view in Mail is not the problem; I've already configured for classic view.
Mountain Lion itself is.
My short list (to date) of crappy Mountain Lion behavior; items marked with a double asterisk (**)represent the worst of Mountain Lion for me.
** No up/down arrows in scroll bar slider;
Expose` not as easy to navigate as in Snow Leopard;
Mail does not request passwords for either receive or send;
No "Save Draft" icon in Mail compose window (workaround: use command-s);
"Save As" selection missing in most app menus;
No separate Search window in Safari (workaround: use Firefox or Opera);
** Can't export Mail from Mountain Lion into Snow Leopard if downgrading (I compiled this list before I stumbled on the method in this thread, but I'd prefer to effect this with Unix symbolic links);
iWork 09 seems to have "circled the wagons" re compatibility with MS Office or LibreOffice (workaround: just use Libreoffice);

IMac 2011 Lion to Snow Leopard if needed?

Hi all.
I've posted in another discussion about my gradual move over from PC to Mac and the possibility of dual booting but this thought occurred to me. I'm now looking at getting an iMac after using a borrowed mini for a few weeks but finding that multiple monitors/keyboards etc are getting in the way. Plus I need the floorspace the PC is taking up so KVMs and the like aren't really an option.
Anyway, I don't know where Apple are up to at the minute with their hardware/software combinations but if I were to buy a new 27" iMac tomorrow (I'm not: not THAT soon anyway) would it come with Snow Leopard and Snow Leopard installation discs? Would it have Lion preinstalled? If it DID would it come with any discs at all? I believe the recovery partition would handle that part of things (dead HDD notwithstanding) so my suspicion is that no recovery media would be included.
Now, what if I REALLY didn't like Lion or found it had too many problems with my other hardware (I currently have a Lacie NAS drive for example!!) is there any way I could replace Lion with Snow Leopard? Would a retail boxed version, which I think is 10.6.3 have the necessary drivers or at least adequate ones to boot and run Software Update? Would the install disc that came with the MacMini work? My first thought is no it wouldn't. Am I right in thinking the installation discs that ship with a machine are model specific? Would an iMac preinstalled with Lion even be capable of downgrading (we can discuss whether Snow Leopard is a downgrade or not another time)
Anyway, all suggestions welcome as long as they are clean.
Edit before posting: Having said all that if the rotten AppleTV/iTunes keeps losing Home Share connection and kicking me out after 10 minutes of watching a movie then I might just stay a PC user and sell the Apple stuff that isn't working to some unsuspecting numpty. Might just go over to THAT discussion in a minute and add my voice to the ones having issues.......

I suspect the person buying your equipment would be no more a numpty than the original purchaser. Ive been using Lion for some time now and it has frankly no more problems than any other newly introduced software/operating system.
I went through the Windows/PC to Apple a few years ago after much deliberation (and time wasting) I am glad I did it and would not go back. Hving said that I still have a Dell XPS Laptop that is purely used to run Quicken (Windows 7) and nothing else. I could do this with Paralells or bootcamp, but at the moment I see no point. Make the jump to Apple you will probably not regret it. Your wallet might.
My Apple TV works perfectly unless my wireless network is playing up and I suspect Apple cannot do much about that.

Running Lion and Snow Leopard on the same MacBook Pro

So here's the thing .....apparently Lion won't run Photoshop and Illustrator CS2 (which I'm quite happy with and not about to shell out silly amounts of money to Adobe for even CS3) and apparently there may be (and I stress may be) problems with Word 2008 (likewise money to Microsoft for Word 2011).
I think, and probably won't know till I've installed it, that I'd like to try Lion on my Macbook Pro but keep Snow Leopard as a separate OS to run Photoshop, Illustrator and if necessary Word until I can afford to pay Adobe (& possibly Microsoft though I can't really see what improvements they can make to Word 2008) the large amounts of money they seem to think they deserve for an upgrade.
Does anybody out there know if it is possible to run both Lion and Snow Leopard on the same machine and if it is how do I do it?
Thanks for taking the time to read this.

Likely a corrupted cache file
Read the
Deeper cache cleaning/resetting
https://discussions.apple.com/docs/DOC-3046

I am a macbook pro user form last 2 yrs, recently i upgraded to Mountain Lion from Snow leopard. Since then operational speed is a major concern. Now It has crashed so very badly that I am scared of my data.Please help me.

I am a macbook pro user form last 2 yrs, recently i upgraded to Mountain Lion from Snow leopard. Since then operational speed is a major concern. Now It has crashed so very badly that I am scared of my data.Please help me.

Reinstalling Lion/Mountain Lion Without Erasing the 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.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. 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 main menu.
Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

How can I downgrade from Lion to Snow Leopard?

Hello.
Yesterday, I upgraded my Mac to Mac OS X (10.7 Lion) from 10.6.8 Snow Leopard. However, I wish to downgrade.
Obviously, I would like to not lose any data at all. However, I have never downgraded before.
I still have the Snow Leopard installation disk that came with my Mac.
How should I do this? I was thinking it would be easiest to simply head on over to an Apple Store...
I did some research (aka Googling), and I read up on the subject quite a bit.
If I simply put in the disk, will I be able to downgrade from Lion to Snow Leopard as easily as the upgrade was?
Also, I have heard about holding down the "C" button to do this... how exactly?
I have never backed up my Mac, nor used Time Machine.
Also, is it possible to install Snow Leopard on a separate disk, and set it up so that I can switch between them on command?
Will all of my preferences be saved, or does this wipe everything, not just the system and libraries folders?
I realize that I have a lot of questions, and therefore I appreciate everyone's help in advance. Thanks again.
Sincerely, Zach

Backup your files.
Booting From An OS X Installer Disc
1. Insert Snow Leopard Installer Disc into the optical drive.
2. Restart the computer.
3. Immediately after the chime press and hold down the "C" key.
4. Release the key when the spinning gear below the dark gray Apple logo appears.
5. Wait for installer to finish loading.
Erase Drive
1. Boot from your OS X 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. Upon completion quit DU and return to installer. Install Snow Leopard. Restore your files after the installation has completed.

Anyone using Lion and Snow Leopard? I will be soon.

I will soon be using both Lion and Snow Leopard on my newly upgraded hybrid hard drive.I know that I should need to partition the drive into three 1 for Lion 1 for SL and 1 for data/applications.
The problem is how is how much space should I give each partition?
Has anyone done this before or have any good ideas how to go about it?
Some extra info:
I am currently using a MacBook Pro (mid 2009 13")
I am currently using Lion OS X v10.7.4
The new drive is 750GB Seagate Momentus XT 7200rpm 8GB(solid-state) hybrid drive
The soon to be replaced drive is a stock 250GB 5400rpm HDD
Thanks all help appreciated

It's important that you leave a minimum amount of free space for the OS to use. You will see anywhere from 16 to 30 GBs for your OS and iLife apps. You need enough space to allow for all your third-party applications and document files. When fully set up you may have only 30 GBs of free space which is an appropriate amount to have, but not less than 20 GBs. That makes 60 GBs a reasonable minimum size.
If you haven't put everything in concrete, I might suggest going with a 500 GB Seagate XT hybrid together with a 128 or 256 GB SSD using an OWC DataDoubler replacing the optical drive. I suggest that mainly because using the same hard drive for the OS and Data partitions will actually make file I/O slower. Having two drives and using an SSD for the startup volume will enhance file I/O operations. Only two partitions on the SSD - each 60 GBs - fit neatly in 128 GBs.

Best way to migrate applications from Lion to Snow Leopard?

Hello! own a mid 2011 MacBook Pro and upgraded to Lion back when it came out. I've now realized that Lion and CIFS network drives don't get along well. I want to downgrade back to Snow Leopard. I didn't have any Time machine back ups or anything like that so I believe I have to do a fresh install, this shoudln't be a problem as I have a 6 TB FreeNAS box to back everything up to. My question is about software. Most of the software I have on my computer is free, but some of it, namely the Adobe Design Suite Standard, Quickbooks, and a few other photo/business related pieces of software have been purchased. Is there any easy way of reinstalling them? I guess what I'm asking is, how can I back up my software? Maybe a better question is how do I uninstall software in such a way so that when I reinstall it later it won't give me an error saying the serial number has already been used.

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.
You will need to reinstall your third-party software.

Uninstall Lion & Reinstall Snow Leopard?

How do I uninstall the Lion suite from my Macbook? I would like to reinstall my Snow Leopard suite so that I can access my PowerPC software that comes with most educational textbook resources. My Lion suite, which I paid for, no longer supports the software (ExamView, etc.).

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.

Can I have both Lion and Snow Leopard on One Hard Drive?

My problem is I need to run a PowerPC game on Lion which Lion no longer supports. So i thought i could download Snow Leopard back to my Mac and partiition my hard drive in the process as that is the only way i know of to have both Lion and Snow Leopard. I went through the Boot Camp Asistant process and it seems it will only partition Windows 7 to my Mac when i need Snow Leopard. If anyone has any idea how to help me have both Lion and Snow Leopard at the same time on just one hard drive or figure out how to run the PowerPC programs on my Mac (if there is a way around it). The help will be well appreciated!

How To Run Snow Leopard On A New Mac
This does not apply to new Mac Minis or MacBook Airs. When newer models are introduced that also require Lion for hardware support, the techniques described below will no longer work with the possible exception of using Parallels 7.
What has to be done:
Create a new partition on the hard drive.
Get a clone of a 10.6.8 Snow Leopard system. Put the cloned Snow Leopard system onto the new partition.
Step One: Create a new partition on the hard drive
To resize the drive and create a new partition do the following:
1.    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.
       After the main menu appears select Disk Utility and click on the Continue button. Select the hard drive's main entry then click on the Partition tab in the DU main window.
2.   You should see the graphical sizing window showing the existing partitions. A portion may appear as a blue rectangle representing the used space on a partition.
3.    In the lower right corner of the sizing rectangle for each partition is a resizing gadget. Select it with the mouse and move the bottom of the rectangle upwards until you have reduced the existing partition enough to create the desired new volume's size. The space below the resized partition will appear gray. Click on the Apply button and wait until the process has completed. (Note: You can only make a partition smaller in order to create new free space.)
4.   Click on the [+] button below the sizing window to add a new partition in the gray space you freed up. Give the new volume a name, if you wish, then click on the Apply button. Wait until the process has completed.
You should now have a new volume on the drive.
It would be wise to have a backup of your current system as resizing is not necessarily free of risk for data loss. Your drive must have sufficient contiguous free space for this process to work.
Step Two: Obtain a clone of a Snow Leopard system:
You will need access to a Mac already running Snow Leopard. You will need a 16 GB USB flash drive or an external hard drive to which you can clone the Snow Leopard system from the Mac that has Snow Leopard installed. Alternatives are:
Option One:
Install a new Snow Leopard system onto a USB flash drive. Boot the Mac used for installing with the USB flash drive. Update the flash drive system to 10.6.8 using the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard. Verify that you can boot the Mac with the USB flash drive.
Take the USB flash drive to your new Mac and try booting from it. If it works then clone the system from the flash drive to the newly made partition:
          Clone using Restore Option of Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
          Destination means the new partition on the internal drive. Source means the USB flash drive.
Option Two:
If you have a large enough external drive you can erase and use, then it would be easier to just clone the entire Snow Leopard system from the source Mac computer to the external drive.
          Clone using Restore Option of Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
          Destination means the external drive. Source means the Snow Leopard Mac's internal drive.
After cloning verify that it will boot the source Mac. If so then take the external drive to your new Mac boot with it. If all is well then restore the clone to the new partition on your new Mac:
          Restore the clone using Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
          Destination means the new partition on the internal drive. Source means the external drive.
If the above seems too daunting then you might consider running Snow Leopard inside an emulator such as Parallels 7. You are permitted to install a single copy of Snow Leopard inside a virtual machine. You will need to first purchase a copy of Parallels 7 and install it on your new Mac. Create a new virtual machine configured for Mac OS X. You may then install Snow Leopard in the virtual machine then download Mac OS X 10.6.8 Update Combo v1.1 and update to 10.6.8. Be sure to include Rosetta in your initial Snow Leopard installation. Rosetta is not installed by default rather it's an optional install.

I can not install Lion or Snow Leopard on my mac book pro

I can´t install Lion or Snow Leopard on my mac book pro. I tells me that it can not install because :can not get the extra components required to install mac os x.

Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: @(#)PROGRAM:Install PROJECT:Install-686.2
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: @(#)PROGRAM:IA PROJECT:InstallAssistant-209
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Hardware: MacBookPro5,3 @ 2.80 GHz (x 2), 8192 MB RAM
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Running OS Build: Mac OS X 10.7.2 (11C74)
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Env: PATH=/usr/bin:/bin:/usr/sbin:/sbin
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Env: PWD=/
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Env: SHLVL=1
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Env: __OSINSTALL_ENVIRONMENT=1
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Env: CI_DEFAULT_OPENCL_USAGE=0
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Env: OS_INSTALL=1
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Env: _=/System/Installation/CDIS/LCA.app/Contents/MacOS/LCA
Dec 31 22:56:47 localhost Install Mac OS X Lion[343]: Using distribution archive from /Volumes/Image Volume/Packages/OSInstall.mpkg
Dec 31 22:56:49 localhost Install Mac OS X Lion[343]: Using product <OSInstallDVDProduct> based on media at /Volumes/Image Volume at distance 10
Dec 31 22:56:49 localhost Install Mac OS X Lion[343]: Using product <OSInstallESDProduct> based on distribution at /Volumes/Image Volume/Packages/OSInstall.mpkg at distance 5
Dec 31 22:56:49 localhost Install Mac OS X Lion[343]: Checking Software Update catalog URL http://swscan.apple.com/content/catalogs/others/index-lion-snowleopard-leopard.m erged-1.sucatalog
Dec 31 22:56:49 localhost diskmanagementd[332]: DM ->T+[DMToolBootPreference getPartitionBootability:]: inUDS=0x1144acc30=disk0s2=Mac os X
Dec 31 22:56:49 localhost diskmanagementd[332]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMBootable=1            (bootable right now without any further action)
Dec 31 22:56:49 localhost diskmanagementd[332]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMBootCapable=0         (bootable if you call MKCFPrepareBootDevice)
Dec 31 22:56:49 localhost diskmanagementd[332]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMBootSurgeryRequired=0 (for primitive MBR on BIOS, add boot block and loader)
Dec 31 22:56:49 localhost diskmanagementd[332]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMFSSurgeryRequired=0   (for primitive MBR on BIOS, add boot block and loader)
Dec 31 22:56:49 localhost diskmanagementd[332]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMNewfsRequired=0       (bootable with MKCFPrep but it will rudely carve)
Dec 31 22:56:49 localhost diskmanagementd[332]: DM <-T+[DMToolBootPreference getPartitionBootability:]: MKerr=0 out=4=0x4
Dec 31 22:56:49 localhost Install Mac OS X Lion[343]: No available package ref for compatibility update. Ignoring.
Dec 31 22:57:04 localhost Install Mac OS X Lion[343]: Using product <OSSoftwareUpdateCatalogProduct> from product keys 11C74_ServerEssentials at distance 25
Dec 31 22:57:06 localhost Install Mac OS X Lion[343]: Created IATool object:15d114d0
Dec 31 22:57:08 localhost Install Mac OS X Lion[343]: Preventing machine sleep.
Dec 31 22:57:08 localhost Install Mac OS X Lion[343]: Using product IA_PKSecureNetEnabledProduct <file://localhost/Volumes/Mac%20os%20X/Mac%20OS%20X%20Install%20Data/> at distance 5
Dec 31 22:57:08 localhost Install Mac OS X Lion[343]: Using mutable product path: /Volumes/Mac os X/Mac OS X Install Data
Dec 31 22:57:08 localhost Install Mac OS X Lion[343]: Retrieving 50 packages (3.766 GB)
Dec 31 22:57:42 localhost Install Mac OS X Lion[343]: Failed to verify Danish.pkg: xar_verify failed
Dec 31 22:57:42 localhost Install Mac OS X Lion[343]: Retrying file://localhost/Volumes/Image%20Volume/Packages/Danish.pkg after 1 failure(s)
Dec 31 22:57:42 localhost Install Mac OS X Lion[343]: Retrying file://localhost/Volumes/Image%20Volume/Packages/Danish.pkg after 2 failure(s)
Dec 31 22:57:42 localhost Install Mac OS X Lion[343]: Retrying file://localhost/Volumes/Image%20Volume/Packages/Danish.pkg after 3 failure(s)
Dec 31 22:57:42 localhost Install Mac OS X Lion[343]: Failed to retrieve file://localhost/Volumes/Image%20Volume/Packages/Danish.pkg (Error Domain=com.apple.PackageKit.PKFileDownload Code=3 "The operation couldn’t be completed. (com.apple.PackageKit.PKFileDownload error 3.)")
Dec 31 22:57:42 localhost Install Mac OS X Lion[343]: Failed to download package from file://localhost/Volumes/Image%20Volume/Packages/Danish.pkg and no alternate source.
Dec 31 22:57:42 localhost Install Mac OS X Lion[343]: Stopped operation queue with Error Domain=IAErrorDomain Code=402 "Kan ikke hente de ekstra komponenter, der kræves til installering af Mac OS X." UserInfo=0x115d8b540 {NSLocalizedDescription=Kan ikke hente de ekstra komponenter, der kræves til installering af Mac OS X., NSUnderlyingError=0x117362000 "The operation couldn’t be completed. (com.apple.PackageKit.PKFileDownload error 3.)"}

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