IPhoto compatibility, downgrading from Yosemite to Mavericks

MacBook Pro (13-inch, Mid 2012)
Hi everyone, this is my first post on Apple Support Communities, so please be kind if any mistake.
I upgraded to Yosemite as soon as the update became available, and I'm running the latest version. 10.10.1, Now, after a month or so of having it, I have had more problems than advantages from this update, and I am going to downgrade back to Mavericks.
I'm truly worried about my iPhoto library, do you know if after being upgraded to Yosemite it becomes incompatible with previous versions of OS X?
Thanks in advance for your replies.
BR,
-Nayith

This is why I always have a previous backup of both my last OS X and I duplicate my iPhoto library several times so I still have an iPhoto library that is still compatible with a previous versions of my OS X and iPboto.
Search for, download, install and try/use iPhoto Library Manager.
This app has the capability to rebuild iPhoto Library folders.
Good Luck!

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Can i downgrade from Yosemite to Mavericks by using Mavericks Time Machine Backup?

Hey guys! Well I am in the position of needing to buy a new Mac, but I need it to be on Mavericks due to programs that I run and stability issues. I would love to get one of the new mac minis, but am aware that they ship with OS X Yosemite. Is it true that I can downgrade to Mavericks by restoring the new mac mini from a Time Machine backup that was done on Mavericks? I have heard that this will work but wanted to make sure before I move forward.
Just to be clear, I would take a Mac Mini that has Yosemite on it and restore it from a Time Machine backup that was done from my old Mac (Mac Book Pro 17") that was on the latest version of Mavericks.
Thanks so much guys!

There should be a hidden Recovery HD on your Time Machine backup drive. Boot using OPTION booting:
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 icon labeled Recovery HD 10.10.
5. Click on the arrow button below the icon.
Then do this:
Select Disk Utility from the main menu and click on the Continue button.
After DU loads select the volume you wish to erase 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 Erase button and wait until the process has completed.
Quit Disk Utility and return to the Main Menu.
Select Restore from a Time Machine backup and click on the Continue button.

I can't access my pages documents when i downgraded from yosemite to maverick

So i do a backup before i get yosemite and then i get yosemite. i also get the update for pages. a week later i decide i do not want yosemite so i downgrade by restoring the time machine backup i did before i got yosemite but in the week i had yosemite i made some page documents and i knew they wouldn't be there when i went back to maverick so i copied them onto a usb. i now have maverick but it won't let me open the files on that usb because they were made using the new version of pages. is there a way so i can access them again? please help. also i am using a macbook air if that helps.

The only way you'll be able to access them is to use Time Machine to revert back to a version that was saved before you updated Pages.
If you still had the newest version of Pages you could export the documents to Pages '09 format, and then update them to the version of Pages you have.

Roll back from yosemite to mavericks without time machine

I am currently a user of Retina Macbook Pro late 2013, 13", i5 with 2.4 GHz, 8gb, 1600MHz DDR3.
I faced a huge problem after updating my mac from Mavericks 10.9.5 to Yosemite 10.10, this has caused my mac to running slow, but before updating it was so smooth and worked perfectly.
- Yosemite causes my mac to be so laggy when scrolling up and down. Sometimes, it crashes all of a sudden when you are just watching a video using Safari.
- Scrolling through PDF files is so laggy
- Minimizing Apps is not as smooth as before.
My Question :
- How to roll back to mavericks/ downgrade from yosemite to mavericks? provided that i didn't not have a time machine backup. And so far i could not find any installer for mavericks in app store.

No. You need to first erase the drive then install Mavericks. Try backing up your files (Home folder) somewhere. Boot from your Mavericks drive. From it use Disk Utility to erase your Yosemite drive. Clone the Mavericks drive to the drive you just erased. Now restore your data from the backup you made.
Of course if your Mavericks drive also has a current copy of your Home folder from the Yosemite computer, then all you need to do is boot from it, erase the Yosemite drive, clone the Mavericks drive and you're done.

I have to downgrade from Yosemite to Snow Leopard because of compatibility issues with some of my software. Can I use PS Elements 12 with snow leopard?

I have to downgrade from Yosemite to Snow Leopard because of compatibility issues with some of my software. Can I use PS Elements 12 with snow leopard?

PSE12 became a 64 bit app for the first time on Mac. The recommended system requirements are Mac OS X v10.7 through v10.8.
Are you not able to use lion or Mountain Lion?

Iphoto problems after downgrade from Yosemite to OSX 10.8.5

After a successfull downgrade from Yosemite to 10.8.5 Mountain Lion my ( 'old Yosemite' ) iPhoto backup is not compatible with iPhoto reinstall.
Is there a way to repair or fix this problem?
My patience involving the dramatic Yosemite 'upgrade' is tested to the max I need to say.

Welcome to Apple Support Communities
OS X Yosemite uses a newer iPhoto version than OS X Mountain Lion, so it is normal that you cannot use your iPhoto library in Mountain Lion again.
Maybe you will not like what I am going to tell you, but have you tried a Yosemite clean install instead of an upgrade? A lot of users have reported problems with the upgrade to Yosemite, and a clean installation fixes all these problems, because you are going to format the hard drive and install OS X Yosemite as new. I recommend you to try this.

Downgrade from Yosemite using Time Machine

Hi,
I am planning on downgrading from Yosemite back to Mavericks because of the fonts/resolution debacle, I am partially sighted and use the Accessibility function Zoom and the thin, grey blurry fonts are made worse by the magnification process which means I am having great difficulty just doing simple things like reading emails and using Finder windows, I have tried checking the 'Increase contrast' option in Accessibility>Display and the 'Use LCD font smoothing...' option all to no avail, if only Zoom worked like 'pinch to zoom' in Safari (I use a trackpad).
Anyway my question concerns using a Time Machine backup to downgrade, I have two external HDDs one for TM backups the other containing my iTunes media folder which is also backed up by TM, can I disconnect the iTunes media folder HDD before I restore from TM or will there be an issue if TM has to also restore the iTunes media folder ?
I hope this makes sense.
Thanks in advance
Pete
2012 iMac 27"

If you upgraded to iTunes 12, there may be a problem with iTunes media if you didn't have iTunes 12 in Mavericks.
Revert to a Previous OS X

How can I go back to from Yosemite to Mavericks???

I want to know how to go back from Yosemite to Mavericks.

Hi Allan,
I am in this situation too, I have a plenty of Time Machine backups.
At the end of the restore I get a Restore Success message, but when I am viewing the logs, I get the following errors displayed:
localhost OSInstaller[648]: {RESTORE] unable to boot from restored disk.
localhost configd[112]: arp_client_transmit(en1) failed, Network is down
localhost configd[112]: bootp_session_transmit: bpf_write(en1) failed: Net
localhost configd[112]: DHCP en1: INIT-REBOOT transmit failed
localhost configd[112]: DHCP en1: ARP detec ROUTER failed, arp_client_tr****
localhost configd[112]: arp_client_transmit(en1) failed, Network is down
localhost configd[112]: bootp_session_transmit: bpf_write(en1) failed
localhost configd[112]: DHCP en1: INIT-REBOOT transmit failed
localhost configd[112]: DHCP en1: ARP detect ROUTER failed, arp_client_****
*****= screen shot cut off, dont have rest of that line.
After restart I get the grey screen and the circle with slash.
Any assistance you can provide would be GREATLY appreciated.
Best,
Joe

Can a downgrade from os x mavericks 9.1?

Hi, been using mavericks for a few months and but am slowly getting dissapointed and frustrated with how slow it is.
I have a imac i7 with 12gb of ram and a good graphics card but nearly all my software runs too slow. It is difficult to enjoy my time on the desktop.
My question is can i downgrade from mavericks and install Lion or something? Seriously my G4 was faster!

Use the backup you made before you chose to upgdade and follow here
OS X Mavericks: Revert to a previous OS X version
although you really should troubleshoot your Mac as there is something wrong with it.All our Macs are absolutely flying under Mavericks.
But your choice.
Good Luck
Pete

Revert from Yosemite to Maverick

I downloaded Yosemite a few days ago and made the bone headed mistake of not backing up my files before upgrading to yosemite, my macbook pro won't start up normal without freezing a getting the spinning wheel. The only way I can get into my Macbook is to do safe mode start up. I've tried repairing the disk but no help. I want to revert from yosemite back to maverick, I don't have another Mac to get Maverick from to put on a thumb drive but I read somewhere that I could go to the app store and go to "purchases" and re download Maverick through safe mode, would that work? I also don't want it to delete my files if I do that.

You must first erase the hard drive and install an earlier version of OS X that will work in order to re-download Mavericks. So you need to install the original version of OS X that came with your computer. However, if that version preceded Snow Leopard, then you can reinstall Snow Leopard from the retail DVD and update it to 10.6.8. If your computer came with Lion or later pre-installed then do this:
Boot to the Internet Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears on the screen. Wait patiently - 15-20 minutes - until the Recovery main menu appears.
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.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
This should restore the version of OS X originally pre-installed on the computer.

After restoring from TC from Yosemite to Mavericks, I lost my Parallels virtual machine. Any way to restore?

My situation was that my older iMac met the bare minimum requirements to use Yosemite so I went for it. It was super slow so I decided to go backwards from Yosemite back to Mavericks.
I booted in the internet recovery mode and restored from my TC backup. Took a long time (like 9+ hours) for this process to run its course. When it completed, all appears well except that it seems I've lost the virtual machines I had installed using the software Parallels. This makes sense I guess as my hard drive was wiped to make room for it. It didn't hit me that this would happen as when I upgraded to Yosemite it was working just on that part of the hard drive. Just ran with going backwards (my fault) for not thinking that the entire hard drive would be wiped.
So, long intro to asking, is there any way to restore that virtual machine from a TC backup? Not sure if those files are saved somewhere on the Mac or in TC to somehow restore?
Thanks.

Boot to the Recovery Volume (command - R on a restart or hold down the option key during a restart and select Recovery Volume). Run Disk Utility Verify/Repair and Repair Permissions until you get no errors. Erase and format the hard drive (Mac OS Extended (Journaled). Then reinstall the OS. Use Setup Assistant to transfer from Time Machine.
OS X Recovery
OS X Recovery (2)

Truth or Myth about downgrading from Yosemite Sam

Truth or Myth? I can't go back to Mavericks or Mountain Lion once I have Yosemite installed?

Do a backup, preferably 2 separate ones on 2 separate drives.
Revert to a Previous OS X - Yosemite
Revert Yosemite to Mavericks
If you do revert, I'd use Setup Assistant to restore your data. This process takes a while, so do it when you won't need the computer for several hours, based on my experience.

Downgrade from Yosemite beta to Mavericks

Hello. I have a macbook pro (2013) and I got so caught up in the new Yosemite beta being released that I downloaded it without making a backup. I know, stupid. Is there any way to wipe out my computer completely and start over with Mavericks?

Astronironaut wrote:
Mid 2012 15" retina
256gb
8gb ram
i had mavericks installed and I have a bootable copy of mavericks on an external hd. And all my time machine backups since 2012
maybe the best is to restore from cero. But I try pied everything. No use
thanks and yeah, I was stupid for upgrading this system
That is the best idea, and Barney15E has provided the method for you to follow.
Good luck.
Let's say impulsive maybe

Does anyone have any idea how to downgrade from Yosemite back to Mavericks?

I do not have time machine, and I feel like erasing the HD is too risky. Has erasing the HD worked for anyone? Any suggestions would be great. I really dislike the look of Yosemite, so if I could get it back to Mavericks it would be great.

Before embarking on this system downgrade, it would be wise, advisable and very prudent if you backup your current system to an external connected and Mac formatted Flash drive OR externally connected USB, Thunderbolt or FireWire 800, Mac formatted hard drive. Then, use either OS X Time Machine app to backup your entire system to the external drive OR purchase, install and use a data cloning app, like CarbonCopyCloner or SuperDuper, to make an exact and bootable copy (clone) of your entire Mac's internal hard drive. This step is really needed in case something goes wrong with the install of the new OS or you simply do not like the new OS, you have a very easy way/procedure to return your Mac to its former working state.
If you had done any type of prior backup, your time to downgrade back to OS X 10.9 Mavericks would have taken minutes instead of hours or days.

Can't downgrade os yosemite to maverick

Since I upgrade to yosemite my mac pro 2010 (2,66 GHz Intel Core 2 Duo) doesn't work as it use to. I Double the Ram to 8gb DDR and got little better but still slow.
I heard that I could downgrade to maverick. (unfortunately don't have any time machine with this it son can't go back)
I did all the instructions that most people tell's on blogs an forums:
1-Time Machine backup on external hard drive (so I can keep all videos, photos, doc...)
2-Factory reboot (“Command” and “R” while reboot )
3-Erase hard drive
but once I press Reintall I Os X, just show me yosemite's version :-( and no other version as Maverick or Lion
I also tried to install directly from the App Store and once I download it's says that that software can't be install
What can I do? I used to be so happy with my mac and in the pass moths since I upgrade to yosemite, it reminds me to my last pc with Windows, it's been a nightmare!!
Please help!!
thank you very much!!

Please download and install EtreCheck from http://www.etresoft.com/etrecheck
Run it and post the report here.
Maybe after we analyze the report, we might be able to offer some suggestions on how to fix your Mac.

IPhoto compatibility, downgrading from Yosemite to Mavericks

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