I've installed snow lion

I've some bugs in the mac app store such as twitter that asks me to log in as [email protected] and so on, I know that there is a patch "snow leopard combo" but it runs only on snow leopard. Are there any solutions to this problem?

1. Yes.
2. Insert the Mac OS X 10.6 install DVD and restart with the C key held down.
3. Yes. If you want, you can repartition the drive from the Disk Utility on the DVD or install onto an external drive.
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Need to Install Snow Lion on iMac that has Lion Installed

I just bought a 27" May 2011 iMac that came with Lion. I bought a copy of Snow Leopard that I need to install to run my programs. I've created a separate partition to load SL onto. Now what? Will it install even though Lion doesn't have Rosetta?

Lloyd Lathrop wrote:
I don't understand why I can't just install SL onto the empty partition I created on the hard drive like I did with my G5 (I have Tiger on one partition and Leopard on the other).
Because you normally can't install a operating system OLDER than the one that came with the machine.
You got Tiger and Leopard, because the machine came with Tiger and then the new OS went onto another partition. No problem.
Becuase 10.7 came out mid-product cycle, there are machines of the same hardware that originally ran 10.6, then 10.7 was installed on them, so because the hardware is the same, 10.6 or 10.7 can be installed on them, provided you have a method to get by the firmware.
Your firmware will not let you boot from the 10.6.3 to install or any pre-10.7 disk for that matter.
The 10.6.3 disk only has hardware drivers for pre-10.6.3 issued machines. 10.6.4 and later comes on machine specific disks from Apple.
So you have to follow the link for the "the procedure" which you basicially combine the 10.6.3 and the 10.6.8 combo update together then Firewire target disk mode it to a empty partition. Which means you need another Mac.
Once it's on the drive it will boot, the firmware won't stop that, it only prevents pre-10.7 disks from booting.
That's my understanding of it, in the thread there are others posts how they got it working on iMac's too.
https://discussions.apple.com/thread/3264421?start=0&tstart=0
The easiest way to install 10.6 would be to call Apple and ask for the replacement 10.6.4+ machine specific disks, however they could consult their records and see it's a refurb and it orginally came with 10.7 and deny you, but you can certainly TRY as that's the easier method than making the combined disks.
Another method would be to search high and low for another user with a Mid 2011 iMac and the machine specific 10.6.4+ disks. Even if you did this, you STILL need to use Firewire target disk mode because the firmware will block you from booting from any pre-10.7 disk.
But once you got 10.6.8 on the machine it will boot and you can clone it and option key boot from the clone and reverse clone.
You have everything, just you perhaps don't have the ability to go about it, you might find the assistance of local Mac geek that can do it for you.

I have Snow Leopard 10.6.8 but when I try to purchase Snow Lion I am told this cannot be downloaded on my mac. Please help!

Apple website says I need Snow Leopard 10.6.8 to upgrade to Snow Lion. I have exactly that. But when I try to purchase Snow Lion on the App Store , I get a message saying 'Snow Lion' cannot be installed on your mac. My mac was born sometime in 2007 I think but if it has 10.6.8 why can I not install Snow lion??

Is your Mac an iMac, or Macbook?
Here are the system requirements for Mountain Lion (I think is what your refer to as Snow Lion) in the link below.
http://support.apple.com/kb/HT5444
Hope that helps

Upgrade snow leopard to snow lion

I am trying to upgrade from snow leopard to snow lion. I know that I need to install lion first before installing snow lion, but i can not find it in the app store. Any ideas where I can get lion, so I can upgrade properly.

There is no 'snow lion'.
Snow Leopard = 10.6
Lion = 10.7
Mountain Lion = 10.8
To use iCloud you have to upgrade at least to Lion, but some functions are only available in Mountain Lion:
http://support.apple.com/kb/HT4759
You can also purchase the code to use to download Lion (Lion requires an Intel-based Mac with a Core 2 Duo, i3, i5, i7 or Xeon processor and 2GB of RAM, running the latest version of Snow Leopard), or you can purchase Mountain Lion from the App Store - if you can run that:
http://www.apple.com/osx/specs/

How to install Snow Leopard on a 2009 Mac Pro which has Mountain Lion?

The 2009 Mac Pro that I just bought has Mountain Lion. For many reasons, I do not want to have Mountain Lion on my machine. I have been using Snow Leopard for years and I like it fine. I have my Snow Leopard install DVDs. I cannot get this machine to accept Snow Leopard, which must be just another undesirable aspect of Mountain Lion, bacause this machine must have shipped with some variant of Leopard/ Snow Leopard to begin with. Here's what happens when I put the Snow Leopard Install DVD in the Superdrive:
1) First, I held down the "C" key at startup to start from a disc. It showed me a window which said "Mac OS X can't be installed on this computer".
2) Then I started it with Mountain Lion and then put in the Snow Leopard DVD. Got a window which said "The disc you inserted was not readable by this computer". It also had 3 buttons to choose from: "Initialize", "Ignore" and "Eject". So I clicked on "Initialize" and Disc Utility opened on the First Aid page. I assume I'm supposed to erase the startup disc, but I thought maybe I should ask the experts here before I do that.
This machine has two 2TB HDDs that the previous owner has configured as a level 1 RAID. If I am to erase the startup disc do I erase both drives of the RAID set? If I'm not supposed to erase the startup drive, what do I need to do to get back to Snow Leopard? Thanks and thanks again!

The built-in checks will keep you from clobbering 10.8 Mountain Lion by Installing Snow Leopard over it (literally, 10.6 Snow Leopard Installer will see a later version in place, and knows it cannot install over a later version). So it says "Mac OS X cannot be installed on this computer..." and leaves off "... "in its current state."
You will need to Install on a 10.6 Snow Leopard-erased drive. Mac OS X Erase function proceeds to install a Partition scheme and a default Volume after erasing, because a truly blank drive is useless for most Users.
When you boot to the Installer DVD, you are running off the DVD, so all Hard Drives are available to be erased if that is your choice. All data on them will be discarded. If you erase one drive in a mirrored RAID set, normally the other drive would survive and the set would be degraded. But a new version of RAID was introduced right AFTER 10.6, and it is likely that 10.6 cannot read that RAID at all under any circumstances.

I have installed the most recent version of Snow Leopard on my MAC, and I am trying to install Mountain Lion from the Apple Store. It will not install, because it says I do not have 2GB of memory, even though I have over 200GB available. Please help.

I have installed the most recent version of Snow Leopard on my MAC, and I am trying to install Mountain Lion from the Apple Store. It will not install, because it says I do not have 2GB of memory, even though I have over 200GB available. Please help.

Welcome to the Apple Support Communities
One thing is the memory, and another thing is the hard disk space. You are telling me that you have 200 GB of free space on the hard disk, but the App Store is telling you that you have to install 2 GB of memory or more on your Mac if you want to upgrade to OS X Mountain Lion.
First of all, open  > About this Mac > More Info, and copy "Model Identifier" here, so we can know what Mac you have got and how much memory you can install.
We recommend to buy the memory in OWC or Crucial (Crucial is cheaper and offers the same compatibility warranty as OWC) because you won't probably have any problem with the memory you buy there

Help! Lion has basically paralyzed my system. It takes 10 to 15 minutes to open a folder, to open Applications, Safari freezes and won't let me sign into the forums (I'm on a different computer). I tried to re-install Snow Leopard, but no go!

Basics - 2008 iMac, 2.8 Ghz, 4 Gig RAM, 500 Gig HDD with over 100 Gig free. DId Disk Utility verification and files-disk are fine. Programs will run, but any filing just stops everything (spinning beach ball). I've managed to back up some major content to an external HD, and hopefully, despite the inordinate amount of time it takes, I'll be able to off-load more. But how do I get Lion to work or, alternatively, other than completely erasing the HD, how do I re-install Snow Leopard?

Your upgrade must have failed. Unless you very very recently upgraded Lion, as in the last hour or two. Then you need to go to System Preferences and Energy Saver and stop it from automatically sleeping. Let it sit overnight. It could be spotlight re-indexing your disk and slowing you way way down.
If that doesn't work then you can re-install Lion cleanly. You need to finish backing up your data. Then make a Lion USB flash boot disk or DVD. Hold option key when you boot and select the USB or DVD drive. Run Disk Utility and delete then recreate the partition, exit Disk Utility and install Lion. Then restore your applications and data.

Can't install snow leopard on partition after upgrading to lion

I rushed out too early to install Lion via Apple Apps store. Now, I realize that Rosetta is gone and so are my options to use older apps. As I was reading on the web and Apple Support, I have tried various things and get a window saying that I can't install snow leopard.
I have never partition my hard drive, but using disk utility I created a partition called "Snow Leopard." It divided my HD in half which is okay. I closed the disk utility window, rebooted holding down the "C" key, and saw the OS X Install DVD. When I select it a window pops up saying, "You can't use this version of the appl inst Mac OS X with this version of Mac OS X. You have installed Mac OS X 23.1.1."
Before downloading lion, I made a backup of my existing HD using Time Machine to an external HD. When I open up a saved version dated a month ago, I see that the applications that were working in snow leopard now have the icon circle saying that it is not supported by lion. This is strange since I used Time Machine to back up my HD, then turned off the app before downloading lion. Even older versions saved on the external HD show the circle.
I read about lion and the "Recovery HD," but when I hold down the Command-R key nothing happens when I restart my computer. It also talks about using the option key but that does not work. It talks about reinstalling lion using this system, but I don't see it working.
How can I install snow leopard on my new partition, then I would go to "Software Updates," to get the latest version, or use one of the versions on my external HD to have both operating system.
Thanks,
DaisyMay

Hi Scottiemn,
As I was trying different things to make a partition on my HD, I made notes as to what I did, and I finally got it to work. I will try to explain what I did.
Before installing “Lion,” I backed up Snow Leopard using Time Machine to my external Seagate HD. I installed “Lion,” and found out that I could not use some of my old apps, so I did the following.
Since I am running “Lion,” I opened up disk utility and selected my MacHD (1TB), then I selected partition, and it showed “Macintosh HD” under the partition information name. I believe I selected the plus, + and it divided my HD space in half, and I named it Snow Leopard.
I then installed the Snow Leopard DVD, and restarted my computer holding down the “C” key, I held it down for about 30 seconds or more and then took my finger off of the key. As I waited I finally saw that I was on the install DVD, and on the top menu bar I saw “Utilities.” I had my external Seagate HD mounted on my desk top before I restarted my computer, I selected the “Utilities,” on the menu bar and it gave me the option to back up from Time Machine, I selected my external Seagate HD to the newly created partition I named Snow Leopard and I said “Yes.” I followed the instructions and after it was done, I went to the menu bar and selected System Preferences, System, Startup Disk, and selected to start up with Snow Leopard. On my desktop, I can see two Hard Drives, one is Macintosh HD with “Lion,” and the other is Snow Leopard.
Then, I started up my computer and I was on the Snow Leopard partition and I saw all of my apps working. I then went back to the menu bar and selected System Preferences, System, Startup Disk, and selected to start up with “Lion,” and restarted my computer and I was running “Lion.”
I am not sure why I was not able to use the DVD of SL before, but somehow I got it to work, and I hope that I have explained what I did above.
One thing, when I installed “Lion,” from the app store, I did not make a bootable DVD of the application. I went back to the app store and downloaded “Lion” again and kept it in the dock until I got Snow Leopard to work. I burned a DVD of “Lion,” and so I have a backup of it.
Since my Seagate HD has only 250 GB of space and it is an EIDE HD 7,200 rpm using an OWC Mercury Elite FW400/USB2 with the Oxford chipset 911 enclosure which I bought in 2008, I decided that since I now have my 27 inch iMac quad core i5 with 1TB that I needed a larger hard drive.
I researched the web and decided to go back to OWC and just bought a 2.0TB OWC Mercury Elite Pro “Quad Interface” 64MB with eSATA/FW800/FW400/USB2.0 with 7,200 rpm speed for $219.00. I partitioned it for Time Machine, and Carbon Copy Cloner.
I ran Time Machine, and both partitions “Lion, and Snow Leopard” are on the Time Machine partition and both HD’s are under the Carbon Copy Cloner.
I am self taught on my many iMac’s over the years, and I go to the forums to ask questions and follow the helpful hints to resolve my problems. I carefully try different things and write down what I did so I don’t repeat things.
I hope that I have explained what I did, and hopefully it will work for you.
When I want to run SL, I select in the System Preferences to start up from that disk, when I want to run Lion, I go back and select that and start up my computer running Lion.
Since I have many old apps that Rosetta uses to open them up in SL I wanted to keep that operating system. I will go back now that I have everything working and see if I really need them. I won’t rush to remove my SL partition that I created, but in time if I don’t need the older apps then I may clean out my system and just run Lion.
I run Lion now all of the time, but when I need to go back to SL, I now have the option.
Good Luck,
DaisyMay

How do you erase mountain lion to install snow leopard?

Hi, My mother now has a new to her late 09 mini that originally shipped with snow leopard. When she bought it it came with mountain lion preinstalled from a private seller. We were thinking that to be on the safe side that it might be better to erase and install what's on it just to be sure it is secure. I tried to erase and install snow leopard from a disk but it says that the installer is not compatible with this version of osx(mountain lion). Question: How do I erase mountain lion and install snow leopard?
I've read here that there is possibly a built in recovery disk that I can use to erase and reinstall mountain lion. Q: Is there a built in recovery disk available in my situation? and if so should I use it or be even safer by installing snow leopard instead?
Thank you,

I think I found the answer (from sl install disk use disk utility to erase then install sl). Thanks for looking.

Can I install Snow Leopard on the latest Macbook Pros? (the ones pre-loaded with Lion)

The problem and solution is pretty simple, I just want to know if anyone has tried this before. I have a brand new Macbook Pro that I bought more or less for the sole purpose of having a more powerful machine to run AVID Media Composer on. AVID is only compatible up to OS version 10.6.7 at the moment, and the machine I got was pre-loaded with Lion, 10.7....So I look at the support documentation Apple provides, and notice that in the nifty little chart they have, the latest line of Macbook Pros out there (early 2011) originally had version 10.6.6, so I'm assuming that's the previous version I can't downgrade past.
To revert back to Snow Leopard, however, I need to install it from the DVD which has version 10.6.3 on it, and then upgrade to any version between Snow Leopard 10.6.6 and Lion 10.7. In theory this could work, the only problem being that for a brief time between installing Snow Leopard and updating to the version of it that I need, the computer will have version 10.6.3 on it.
Now I'm pretty sure if the only thing I do on the computer is immediately update to a safe-to-use version, there will be no problems. However, if the machine's hardware is so terribly non-backwards compatible with the Snow Leopard OS, I may do all this backing up and reverting and not even be able to start the computer once I get the old install on it. Before I just go ahead and try this for myself, I was wondering if anyone else has, and more importantly, have you had any success?

Hi r,
EDIT: disregard my post. Waiting for that disc is a far better option.
I hope w won't mind if I add a thought here:
rmo348 wrote:
Now I don't mind if some drivers are messed up and resolution is all funky when I install 10.6.3 on it, I just need to know if it'll be functional to the point where I can run the 10.6.6 update dmg. Once I update to 10.6.6 everything should work fine.
Or could I install 10.6.3, have the 10.6.6 update burned to a disc, and boot straight from that? This is my first Mac so I'm not sure what little tricks work or not.
Your first idea may work; the only way to know for sure is to try it. If you do, make sure you download and run the Combo update for 10.6.7 or 10.6.8. There can be different versions of a point update, those which are available for download, and those which ship on Macs, so you want to install one beyond that which shipped with some of the new MBPs.
If the MBP won't boot to 10.6.3, something else to try is installing it to an external HD, then installing the 10.6.7 update on it, clone it to the MPB's internal HD, and run the 10.6.7 or 10.6.8 Combo update on it.

I have created a new partition on the Mac HD for Lion as I would like to dual boot. Do I need to install Snow Leopard on that partition before installing Lion? If so, can I use one of my Time Machine backups to do this?

I have created a new partition on the Mac HD for Lion as I would like to dual boot. Do I need to install Snow Leopard on that partition before installing Lion? If so, can I use one of my Time Machine backups to do this?

zoominnana wrote:
Can I set up 2 different time capsule backups? one for the lion partition and one for the snow leopard partition?
No, you can't partition a Time Capsule's internal HD. Both partitions will back up to the same sparse bundle. keeping the backups for each partition separate.
Time Machine will not take the two OSX partitions as two different computers, but for best results, exclude the Snow Leopard drive from backups on the Lion partition, and exclude the Lion partition from backups on the Snow Leopard partition.
There may be some files on the Lion partition that Time Machine on Snow Leopard won't like, among other things. See #10 in Time Machine - Frequently Asked Questions for details.

How to partition to install Snow Leopard and Lion on one computer

My first posting:
My iMac came with Leopard. I upgraded to Lion, 3 months ago. I found out that Appleworks doesn't work anymore... very displeased because I always used Mac Strong points (for the past 30 years), which is drawing, like McDraw, McDraw 11, Clarisworks, Appleworks, etc. Apple could have have included a software in iworks to open the numerous works I have done over the years in drawing. Now iDVD doesn't come with Lion anymore. Another blow from Apple!! And iDVD 7.1.2 (after upgrade from Leopard's iDVD) doesn't work too well in Lion... quite a few things are wrong.
Consequently, I want to install Leopard in an external HD, where I could use Appleworks and iDVD.
I have a 1 tera WD Firewire as an external HD. I have tried a few ways to install Leopard on my external HD with no succes.
I have tried "partionning" the external HD, but when it came to "Scan disc image" of Leopard, I had the message: Unable to scan "Install" (Resource busy)
I have tried to install with original Leopard DVD, but after pushing restart (to chose my external HD), then my computer keeps asking me to push restart.
Can anymore can tell me how to properly install Leopard on my external HD?
MartinR says:
Connect your WD Firewire drive. Open Disk Utility and check to make sure that it is partitioned as GUID partition scheme (assuming you have an Intel iMac) and is formatted as Mac OS Extended (Journaled). If not, you will need to repartition and reformat the drive - note that this will erase everything that is on the drive.
Notes:
-If you have an Intel Mac you cannot install OS X to a drive that is partitioned as Apple Partition Map; it must be GUID Partition Scheme.
-Mac OS Extended (Journaled) is the same as the "HFS+" as previously mentioned.
-For the disk to be bootable it must be formatted as Mac OS Extended (Journaled) not plain Mac OS Extended.
Next, insert your Leopard install DVD in your iMac. If the installer opens, just exit/close the installer window. Do not remove the Leopard install DVD from the drive.
Shut down your Mac. Then restart it by holding down the "C" key while it starts. This will make your iMac start from the Leopard install disk that is in the CD/DVD drive. You should then be able to select your external WD drive and install Leopard there.
My response to MartinR (I appreciate the dedication of the helpers)
I tried MartinR solution but it doesn't work. When I restart and keep "C" depressed, after a while, a kind of gray drape closes the screen and tells me I have to restart my computer par pressing "restart" for a few seconds. Then when the computer reboots, it tells me there was a problem and had to restart the computer with a report to Apple window.
I wonder if my computer is not defective? In 30 years, this is the only Apple computer that broke down on me (Always been faitful to Apple computers in spite of the fact they had little apps then), and twice on top of that. The first repair was done by Apple in Wellington Mall, Florida (hard drive had to be replaced); the second time was Northstar Computer in Sudbury, Ontario (optical drive had to replaced). Maybe that tells us something? Were replacement parts up to par? My computer seems to be working OK. I verified my HD with Disk Utility, and everything was OK.
My computer is an Intel Core 2 Duo, 3.06 GHz and 4 GB of ram.
My WD external drive is formatted as GUID Partition Table, and Mac OS Extended (Journaled).

baltwo wrote:
Can't recall which I used to do the dynamic repartitioning.
I'm betting that it was originally Partitioned with Snow Leopard.
As a test I just added a second Partition with Mountain Lion to a FireWire HD and it would not let me Install Snow Leopard from my System or Retail Disc into the Partition.

I have installed mountain lion on my macbook pro ,but it made my mac very slow. Would someone please tell me how to uninstall this one and reinstall snow leopard?

Hello,
I have installed mountain lion on my macbook pro ,but it made my mac very slow. Would someone please tell me how to uninstall this one and reinstall snow leopard? I tried to do it by my original CDs but macbook pro didn't let me to do it.
Thanks

It would be easier to just fix whatever is making your machine slow.
I wrote a little diagnostic program to help show what might be causing these problems. Download EtreCheck from http://www.etresoft.com/download/EtreCheck.zip, run it, and paste the results here.
Disclaimer: Although EtreCheck is free, there are other links on my site that could give me some form of compensation, financial or otherwise.

Have early 2007 MacBookPro, Intel core 2 duo, 2.16 GHz; six mos ago expanded memory to 3GB to upgrade software to Snow Leopard; can I install Mountain Lion on my hardware?

have early 2007 MacBookPro, Intel core 2 duo, 2.16 GHz; six mos ago expanded memory to 3GB to upgrade software to Snow Leopard; can I install Mountain Lion on my hardware?

Supported
Models
iMac (Mid 2007 or newer)
MacBook (Late 2008 Aluminum, or Early 2009 or newer)
MacBook Pro (Mid/Late 2007 or newer)
Xserve (Early 2009)
MacBook Air (Late 2008 or newer)
Mac mini (Early 2009 or newer)
Mac Pro (Early 2008 or newer)

I Restored My Imac, But I Can't Install Moutain Lion As It Says I Haven't Purchased Lion. This Is Because I Went From Snow Leopard Straight To Mountain Lion. PLEASE HELP

So my mac is pretty much useless becuase i can't install mountain lion after a restore of my mac.
I have an imac late 2008 which i bought second hand. It only had Leopard OS X. So I bought the Snow Leopard OS X discs and installed them. I then bought Mounain Lion Straight from the app store and downloaded that.
However I recently decided to restore it for extra space. So i restored it fine and then attempted to reinstall Mountain Lion. Then a message popped up saying that 'This Apple ID has not purchased Lion' meaning that i can't now install Mountain Lion.
I then inserted the Snow Leopard disc and then it would not give me the option to install it on my hard drive and there was a little yellow caution sign on the picture of the hard drive.
I am stumped for ideas now and REALLY NEED SOME HELP
Thanks,
Fin

If you installed Leopard that is why you can't install Mt Lion. The system Must be running Snow Leopard 10.6.8 to upgrade to Lion or Mt Lion.
If you only erased the Macintosh HD partition then you left the Mt Lion Recovery HD partition in tact on that system. At startup hold down the Command+r keys to boot to the Recovery HD Partition. From there erase the Macintosh HD partition and then select Reinstall Mac OS X. It should then download Mt Lion and ask you for the Apple ID that was used to purchase Mt Lion.
The Reason Snow Leopard might not be installing is because of the Recovery HD partition. To get rid of that you must First Re-Partition the drive As One Partition. Then install Leopard then SL (Or Snow Leopard from the start) and then update it to 10.6.8. Once that is done you should be able to log on to the Mac App Store and Re-Download Mt Lion.

I've installed snow lion

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