Downgrading OS (Mavericks to Mountain Lion)

I recently upgraded to Mavericks, but want to revert to Mountain Lion - how do I do this? I have tried downloading the Mountain Lion OS 8.5 combo upgrade, but the computer will not let me open it.

https://discussions.apple.com/docs/DOC-6161

Similar Messages

Downgrade from Mavericks to Mountain Lion

I am considering to downgrade from Mavericks to Mountain Lion, and understand I would loose the maps app and some features... but is it worth it it so I dont have to continuously reboot my mac, so I can use a program every time ?
The problems I am having with mavericks, even when I have done a few tweaks , is that after running a few programs such as mail, safari, garageband first and then loading photobooth... photobooth or any video app tends to lag , and the video is recorded lagging. A reboot fixes this if i start the program after reboot and not run any programs before.
Another issue is when I am doing my artwork, drawing in photoshop or manga studio... the pen tablet begins to lag as well, so I would have to save my work, reboot and then continue working until Mavericks starts misbehaving again.
This mac had its drive wipped clean before It became my personal mac, and I requested Mountain Lion, since I prefered it, but Mavericks was installed.
I dont mind Mavericks... its just this rebooting to fix or refresh system... is getting annoying when I need to get some artwork done.

Hi qldfirey,
I'm sorry to hear that you have had issues trying to work with your Officejet 8600 since upgrading to Mac OS X 10.9.
I have included a link to the full feature software for your Officejet 8600 printer in Mac OS X 10.9. If you still have the driver from your previous operating system loaded on your Mac please uninstall the printer before installing with the updated driver. I have included a link with the steps to uninstall.
Officejet 8600 Mac OS X 10.9 Full Feature Software Driver Download
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=oj-125213- 1&cc=us&dlc=en&lc=en&os=4159&product=4323659&sw_lang=
Uninstalling the Printer Software
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c02440673
Happytohelp01
I work on behalf of HP

Downgrading from Mavericks to Mountain Lion WITHOUT time machine backup from Mountain Lion.

Hello. I'm one of the unlucky owners of Macbook Retina 15" Mid 2012. I was very satisfied with this computer, everything was great, untill I installed OS X Mavericks. My computer started to have GPU Panics all the time under some "heavier" usage like watching long videos on YouTube. I googled this problem and then I saw that I wasn't the only one, many people had problems after upgrading to Mavericks. I also read that downgrading to Mountain Lion solves the problem, but after the Internet Recovery update, when you are restoring your mac, it restores as Mavericks. I read Apple instruction how to revert os x, but it requires Time Machine backup from Mountain Lion, I already downloaded ML Installer from AppStore but I don't know how to install it.
Greetings,
Mdkn

If you have a Mountain Lion installer application then you can downgrade, but you will have to erase the drive. You should try backing up your Home folder in advance so you could at least restore your data. You will need to reinstall any third-party applications.
Make Your Own Mavericks, Mountain/Lion Installer
After downloading the installer you must first save the Install Mac OS X application. After the installer downloads DO NOT click on the Install button. Go to your Applications folder and make a copy of the installer. Move the copy into your Downloads folder. Now you can click on the Install button. You must do this because the installer deletes itself automatically when it finishes installing.
   2. Get a USB flash drive that is at least 8 GBs. Prep this flash drive as follows:
Open Disk Utility in your Utilities folder.
After DU loads select your flash drive (this is the entry with the mfgr.'s ID and size) from the leftside list. 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.
Select the volume you just created (this is the sub-entry under the drive entry) from the left side list.
Click on the Erase tab in the DU main window.
Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
Click on the Erase button. The format process can take up to an hour depending upon the flash drive size.
            3. Use DiskMaker X to put your installer clone onto the USB flash drive.
Wait for the process to complete which will take quite some time.
Use your new installer flash drive to boot the computer. Boot by doing:
Boot Using OPTION key:
1. Restart the computer.
2. Immediately after the chime press and hold down the
      "OPTION" key.
3. Release the key when the boot manager appears.
4. Select the disk icon for the USB flash drive.
5. Click on the arrow button below the icon.
Partition and Format the hard drive:
Select Disk Utility from the main menu and click on the Continue button.
After DU loads select your newly installed hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed. Quit DU and return to the main menu.
Reinstall Lion/Mountain Lion. Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button. Be sure to select the correct drive to use if you have more than one.
You will need an active Internet connection.

Downgrading from Mavericks to Mountain Lion

So currently I'm not satisfied with having Mavericks OS X on my macbook, particularly because of the gradually decreasing disk space that happens each time I turn on my macbook. I've attempted to clear caches like the IconServices in order to make space, but more space is gradually depleted, especially when I use third-party software like VueScan, which I find essential to my lifestyle. I wish to downgrade from Mavericks back to the Mountain Lion OS I initially had when I received macbook. Before I do, I need to ask the following:
1) Will I need to buy a new set of the OS software, or will I be able to perform a downgrade through the restart-and-recovery process I've seen posted?
2) Should I backup my drive? If so, what would you recommend I use? (PS. I did not perform a backup before upgrading to Mavericks)

TheArashi wrote:
can I clean install Mountain Lion instead if I choose to do this?
If you use Internet Recovery (Command + Option + R during restart; hold until you see a spinning globe and progress bar) - it'll take a while to connect to Apple's servers - up to 15 minutes. In any case, once you're there, you'll see a Utilities window. Choose Disk Utility and choose to erase your drive (or course, back up your stuff first!). When that is done, back to the Utilities window and choose to install Mac OS X. If yours came with mountain lion, that is what you should be getting as internet recovery/erasing the drive will result in reinstalling the original OS version. Be sure not to erase your hard drive until after you're booted into recovery and are at the Utilities window.

Needed to downgrade from Mavericks to Mountain Lion to address slowness on older Macbook, now I can't open documents or use my iWorks.

Hello everyone,
Recently went in to the Genius bar to pay to fix some aesthetic physical damage on my 2010 Macbook (Applecare expired) and while I was there I asked about some slowness I'd been experiencing but couldn't explain. My helper recommended that I switch from Mavericks back to Mountain Lion due to the amount of memory required by Mavericks. I did that, and it did fix the slowness issue, but now I'm not able to open my saved documents or use Pages. May be affecting other applications too those just happen to be what I use most frequently.
When I try to open a document it says I need "a newer version of Pages" but I apparently cannot run the newer version of Pages because it says it requires 10.9 or later.
Help, please? I really need access to my documents.

Try one of these programs. Then save in another format and attempt to open in Pages.
LibreOffice
OpenOffice
Office Alternatives - Free

Should I downgrade from Maverick to Mountain Lion 10.8?

Hello!
Your comments are welcome regarding my concern about Maverick downgrading to Mounain Lion. here's my case.
I just upgraded to Maverick and now I notice that as per my temperature monitor app it shows a high readings ranging from 70-85 C above.
(MPlayer, MSWord, MSExe, Safari are all open) Im doing this always and not having this reading not until I upgrade my OSX to Maverick.
I am not comfortable on high temp in my unit because as per my understanding that will speed up the wear and tear of the machine.
I'm also having a suspicion if my Temperature Monitor might not showing the right reading because maybe its not compatible to the new OSX.
But I feel that Maverick has lot's of hidden issues for old MBP's like me (btw I'm using 2011 15 inch) so I am now thinking to downgrade to 10.8 Mt. Lion
My follow-up question is how to do that? Please share some links to guide me.
But if this issue can be fix I will stay using Mavericks.

Before giving up on Mav's "which is actually pretty great for laptops", do a little housekeeping.
1) look at activity monitor and see if something is using a bunch of CPU, things like mdworker and the like are reindexing your drive which can take hours. If it is something else, seek help for that.
2) repair permissions after upgrading so make sure system file access is not impaired
3) boot in safe mode at least once to flush dynamic linker cache (hold shift key at startup chime, when you get to the login prompt, just reboot again but in a normal fashion).
4) reset PRAM (hold command-R-Opt-P at startup chime)
5) let your TM backup have the time it needs to finish, the first time after an upgrade can be long, just give it time
If after a day or two you still dislike Mav's, then you can reformat your SDD and reinstall ML. If TM has been updated by Mav's then use a ML clone to bring over settings, data, & apps. I have tried this and it works. I have not tried to migrate from a Mav's updated TM from a ML install. That seems a bit problematic to me but apple may have made provisions for this to work...I don't know.

Issues with Yosemite, can I downgrade to Mavericks or Mountain Lion and downgrade Apple Apps to work with older OS X

Hi
I am having several issues with Yosemite, mainly disappearing folders (title / name) but no folder or more importantly no previews of .mov or other video files nor unable to open them. I have years of these files that I want to edit in FCP X.
I have upgraded all my Apple apps so they now work in 10.10.2, but I want to revert back to Mavericks as a second partition for video work.
Is there any way I can reinstalled an older OS and downgrade my Apple apps like FCP X and Aperture so I can open, edit and produce dvd / bluray of these files.
Thanks in advance
Matt

Thanks perermac87. I'm can make a second partition on ssd for mavericks as plenty of space, but final cut x 10.1.4 I have now needs Yosemite to open. So how can I also download older versions of my apps from the App Store?
urbkuhl I live in the uk with fibre too and downloaded 10.10.2 in under 10 mins

HT4007 Downgraded OS from Mavericks to Mountain Lion, how to get Aperture to work on Mountain Lion?

Downgraded OS from Mavericks to Mountain Lion, how to get Aperture to work on Mountain Lion? My iMac (Intel) is older and Apple told me this model doesn't handle Mavericks well, recommended I step back to Mountain Lion, which was where Aperture was originally used. Aperture was upgraded when I installed Mavericks, need to go back to older version. How?

Erase disk drive
Restore backup made prior to upgrade
Allan

I have updated to maverick from mountain lion.initially my mac book pro was snow leopard.the multitrack touch pad swapping the page is not happening in finder,it is only working in safari.please help me how to get that swiping gesture in finder

i have updated to maverick from mountain lion.initially my mac book pro was snow leopard.the multitrack touch pad swapping the page to get back to previous page is not happening in finder,it is only working in safari.please help me how to get that swiping gesture in finder

Hi..
I repled to you here > https://discussions.apple.com/message/25598596#25598596
Please do not start duplicate topics. It makes it that much harder to assist you.

Dual boot: OS X Mavericks and Mountain Lion?

Hi there,
searching the internet I found a lot of video tutorials and discussions about the proper way to partition your hard drive so you can boot OS X Mavericks from your Mountain Lion system.
However, having installed Mavericks right after its release, I'm trying to install Mountain Lion as a partition on my computer. That's because I need to run some apps which aren't compatible with Mavericks.
As the Mountain Lion installer consistently tells me that it wasn't possible to run the system on my computer I wonder whether there's a way to boot both, Mavericks and Mountain Lion once you have installed Mavericks.
I'm grateful for any advice.
Thanks,
Lukas

If you are trying to run the Mountain Lion installer from Mavericks, it will probably tell you it can't. I'm currently booted from Mountain Lion and tested the Lion installer and it told me no.
What you can do is make a Mountain Lion USB installer and boot from it. Now you can select the partition you created and install mountain Lion onto it. When the installer is finished (it will boot once at least), you'll be in Mountain Lion. To change back to Mavericks, open system preferences and select startup drive, there you can chose what starts at the next boot.
Instructions for making a Mountain Lion USB are here
http://arstechnica.com/apple/2012/07/how-to-create-a-bootable-backup-mountain-li on-install-disk/

Isolated dual boot with OS mavericks and mountain lion

I just created a dual boot between mavericks and mountain lion (1 physical drive with two partitions) but I'm having troubles where they each see each other. Bin/ lib/ etc are fine (i think) as they are added via environment vars but it seems as though the spotlight privacy directories are shared. For instance, I thought I could simply add the other partition to the Spotlight Privacy list, ie while using mountain lion add /Volumes/Mavericks to the privacy list. However, when I added the volume in one, it also appears in the other. Another issue I've encountered is that while compiling on ML, I was getting errors complaining about the 10.9 sdk.
So, can anyone advise on the proper way to isolate these two operating systems with a dual boot scenario?
Thanks
Adam

Create two partitions on the hard drive. Install each OS on its own partition. This will only work if the computer can be booted from either version.

Installing Mavericks over Mountain Lion

I try to install Mavericks over Mountain Lion but keep getting this message: Unapproved caller, securityagent may only be invoked by Apple software.
Now I am stocked and cannot do anything :-(
Any suggestions?

Dang! that was so NOT cool. Same thing happened to me and feel lucky to have found this thread.
I was stuck in a loop of that dialog popping up saying "Unapproved Caller". I tried clicking OK repeatedly and it still kept popping up.
Seeing the comment about Safe Mode, I took the gamble and held the power switch on my 27" iMac until it powered off, waited a moment, then pushed the power button again and as soon as the chime sound happened, held Shift key to boot in Safe Mode and that worked just like it did for @Bart2904.
How in the world would an average user know how to recover from such a situation - it would be bricked computer and a trip to Genius bar. Again, not cool.

Revert OSX from Mavericks to Mountain Lion

I'm extremely disappointed and annoyed with Mavericks. Mail isn't working and also having problems with my two additional displays. System is so sluggish I can't accomplish anything. How do I revert from Mavericks to Mountain Lion? Thanks!

Mavericks is extremely zippy I suspect you either have a corrupt install, need to re-index spotlight or had an unstable install of ML to begin with. Once you have updated to Mavericks unless you have a bootable clone with ML still on it you will have to troubleshoot Mavericks until you have it right.
However my recommendation is you should probably post on the Mavericks forum and look for solutions there.

Switch back from Mavericks to Mountain Lion

I have tried to switch back from Mavericks to Mountain Lion, due to the battery drain problem, following the steps included in the tutorial https://discussions.apple.com/docs/DOC-6162
The problem is that when I format the HD and I click on 'Install' it appears a big screen which says 'Install Mavericks". I want to install Mountain Lion (that I have in the pendrive), or at least Lion, but I am unable to do that, there is no option to choose any other operating system. Is there a way to rollback to any previous system?
If not, would it be possible to extract the HD from the computer, format it completely (including the recovery partition) in another computer, install it again in the original computer and perform a clean install from my pendrive?
I have no external drive with Time Machine or similar.
Thanks in advance.

Welcome to Apple Support Communities
If you have got a Time Machine backup created in OS X Mountain Lion, connect the external drive with the backup, hold the Option key while your computer is starting and choose the external drive. Then, select the option to restore the Time Machine backup and follow the steps. Note that your hard drive will be erased.
If your Mac came with Lion or Mountain Lion, you can use Internet Recovery by holding down Command, Option (Alt) and R keys while your Mac is starting up. Use Disk Utility to erase the hard drive and reinstall OS X or restore the backup

Replace mavericks with Mountain Lion

I'm thinking of buying a Mac mini, it will have Mavericks installed but some of my software won't run on Mavericks but will on Mountain Lion. I see Mountain Lion is being sold at a reasonable price.
So if I replace Mavericks with Mountain Lion is that going to work (guy in the Apple Store thought it was a bad idea) and will I be able to re install Mavericks at a later date and will I have to buy it again?

You could check when there is more than one model
Mini in the Special Deals refurbish store page, and
ask Sales if one from two years ago can run Mt Lion.
Previous model years are sometimes a better bet,
though a few more recent Macs still could boot from
a previous OS X version, don't bet on it. I'd ordered
a refurb Mac from the Apple Store some time back
and a capability stated to be functional wasn't in it.
There should be more information on the capability
of a recent/offered model Mini, if it could run Mt Lion.
You'd probably need to try to install it in a separate
external hard disk drive enclosure, if possible, so as
to keep the original Mavericks intact. Even if it works.
These use Internet/Recovery to restore an original OS X
as well as internet to update/upgrade it. No DVDs.
PS: you could try & make a bootable recovery USB per
advice in this third-party article, though it may not help
resolve, update, or change new computer to run old OSX.
http://arstechnica.com/apple/2013/10/how-to-make-your-own-bootable-os-x-10-9-mav ericks-usb-install-drive/
This kind of technical question relies on hard to access
information that would be arrived at, here, by trial & error.
Good luck
edited

Downgrading OS (Mavericks to Mountain Lion)

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