I went from snow leopard to mavericks and skipped the whole mountain lion stage. Should I have airplay? If so, where is it so I can connect to my apple tv, it is not in my display options like my friend who went from mountain lion to mavericks.

Do you need Mountain Lion if you have Mavericks to have Airplay to connect your computer to your apple tv?

A supported Mac
AirPlay Mirroring in OS X takes advantage of the hardware capabilities of recent Macs to deliver high frame rates while maintaining optimal system performance. The following Mac models support AirPlay Mirroring when using OS X Mountain Lion or later:
iMac (Mid 2011 or newer)
Mac mini (Mid 2011 or newer)
MacBook Air (Mid 2011 or newer)
MacBook Pro (Early 2011 or newer)
Mac Pro (Late 2013 or newer)
From here > About AirPlay Mirroring in OS X
AirPlay is not just about Mavericks. It depends on which Mac you have as noted above.

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Installing Mountain Lion from Snow Leopard, Install failed and HD write-locked

I recently downloaded the mountain lion installer from the App Store and I ran the installer. Stupid person as I am, I did not have any backups for my file and I naively assumed that an apple OS installer would be without flaws. Boy, was I wrong. I need every bytes of my data (or close to every bytes) but the installer failed.
Mid installation, the installer stopped and said that the installation failed and that I need to repair my disk. So I restarted the computer and I ran disk utilities (my start up disk was the OS installer and the installer allows me to run several programs, including terminal, disk utilities, and by the way, when I held option while starting up to see which start up disks I have, I only had the OS installer as the start up disk. Also, the installer allows me to run a program called "Startup Disk" when I click on the apple logo on the top left corner, but it doesn't allow me to startup my computer using Macintosh HD) and noticed that when I highlighted Macintosh HD, my "Repair Disk" button was grayed out. So first things first, I ran the "Verify Disk" button but after a minute or so, Disk Utilities said that verification failed and that Macintosh HD needs to be repaired. But the "repair disk" button is grayed out! So I went to the Mountain Lion installer again and ran it. Of course, it failed again so I restarted the computer.
So I tried to first back up all files in Macintosh HD to an external hard drive using Disk Utilities, and I used features such as "New Image" and "Restore" but they both ended up in "Input/Output error". I tried many methods with Disk Utilities but they resulted in errors.
After some research, I noticed that some people's computers worked after they reset their PRAM. So that's what I did. I held command+option+P+R when computer started up and I reset the PRAM. When the start up disk (which is the OS installer, not the normal operating system) loaded, I was greeted with choose languages option and then I was back in the Mountain Lion installer state. I again ran the installer again, hoping something would be different, but then it was different. But not in a good way. When I was told to choose where I would like to install Mountain Lion, I noticed that Macintosh HD was grayed out. Last time, I was at least able to run the installer but this time, Macintosh HD was grayed out. The installer said that my Macintosh HD was locked. After some research, I learned that apparently, the Mountain Lion installer write-locks Macintosh HD mid installation.
So now I am stuck and I am thinking of two things (plus some questions)
1. I am wondering if there is a way to unlock Macintosh HD. But even if I can unlock Macintosh HD, there is no guarantee that the installer will successfully install Mountain Lion, am I right?
a. so how can I un-write-lock Macintosh HD?
2. More realistically, I am thinking of borrowing someone else's macintosh computer and use it as the backup center. I have a firewire cable and a terrabyte external hard drive. So what I'm thinking is that I'll hook my computer in target mode to my friend's computer and I will also plug in my external hard drive to my friend's computer and then I can download and run Carbon Copy Cloner from my friend's computer to copy all data from my Macintosh HD to my external hard drive. And then I will erase my Macintosh HD, freshly install Mountain Lion onto it and then copy all data back from my external hard drive. But I am not sure about few things.
a. it looks like my Macintosh HD is write-locked. Can I still use Carbon Copy Cloner to copy all data from Macintosh HD (in target mode) to my external hard drive?
b. will my computer allow me to erase (or format) Macintosh HD?
c. will my erased/formatted Macintosh HD able to install + be installed Mountain Lion OS?
If you are here, then you have read my long long problem. Thank you very much and I would really really really appreciate your answers and opinions. Thanks

I'm not sure where you read that about the disk being "write-locked." That doesn't make much sense, given that the major task an installer like this must achieve is writing a whole bunch of files to the hard drive. I think your source was mistaken.
As to what happened, it sounds like your hard drive was badly corrupt to start with, or possibly was on the edge of failing and is now in the process of dying entirely. If you don't have backups of your data, that does not bode well for you, unfortunately. If you can manage to use target mode to copy your data, do that.
Once you're sure you've got all your data, you need to start up from your Snow Leopard install disk and repair the hard drive. (Since it sounds like the Mountain Lion installer didn't work, I wouldn't trust the recovery partition that Mountain Lion installs.) Or, even better, just erase the hard drive entirely and reinstall Snow Leopard. Then, once you're back up and running, with all your data back on the system and with Snow Leopard updated to the most recent version, try installing Mountain Lion again. If any of that fails again, the problem is likely to be a dying hard drive, and you'll need to replace it.

Just updated from snow leopard to yosemite and can't open or update iPhoto

Just updated from snow leopard to yosemite and can't use or update iPhoto- help??

i tried to download the free iPhoto 9.6 app but i can't.
Where did you try to download that? This looks like you tried to download an updater.
Move iPhoto.app from your applications folder to the Trash.
Launch the App Store.
Sign in with your AppleID in the Store menu.
Click the first tab "Featured" and enter iphoto into the search field. Hit the "Return/Enter" key.
You should be seeing something similar to this:
If you see iPhoto, download it.

I just update my Mac operating system from Snow Leopard to Yosemite and now have to upgrade my Epson Printer WF3540 so that it will be able to scan. Will Adobe be compatible with these softwares?

I just update my Mac operating system from Snow Leopard to Yosemite and now have to upgrade my Epson Printer WF3540 so that it will be able to scan. Will Adobe be compatible with these softwares?

Hi spiritentrep,
What Adobe software are you referring to? Are you using Acrobat? You should have no problems running Acrobat XI on Yosemite, and as along as you have compatible scanner drivers for your Epson, you should be fine there as well.
Best,
Sara

I deleted my Mail app sometime back. I reinstalled it again, today, on my Macbook Snow Leopard Mac OS but when I try launching Mail, it says ' You have Mail version 4.0(1075/1085). It can't be used on Mac OS X version 10.6.8(Build 10K549)",

I deleted my Mail app sometime back. I reinstalled it again, today, on my Macbook Snow Leopard Mac OS but when I try launching Mail, it says ' You have Mail version 4.0(1075/1085). It can't be used on Mac OS X version 10.6.8(Build 10K549)",

The Mail version for your machine is 4.6 (1085) You can get it via the Combo updater. Mac OS X 10.6.8 Update Combo v1.1
Then follow with software updates to pick up the most recent security and iTunes updates.

My audio aggregate device is not stable in Mountain Lion, it was fine before I upgraded from Snow Leopard - every time I reboot the computer it loses the configuration and so it is not available in Logic Pro

My audio aggregate device is not stable in Mountain Lion - it was fine before I upgraded from Snow Leopard. Every time I reboot the audio aggregate device (MOTU TRAVELER, MOTU PRE8 1, MOTU PRE8) has to be reconfigured so that it is available within Logic Pro.

Most likely you have Office 2004 which are PPC-only applications and will not work in Lion. Upgrade to Office 2011. Other alternatives are:
Apple's iWork suite (Pages, Numbers, and Keynote.)
Open Office (Office 2007-like suite compatible with OS X.)
NeoOffice (similar to Open Office.)
LibreOffice (a new direction for the Open Office suite.)

TS3003 Installed QuickTime7 from Snow Leopard installation disc and still can't view videos on iPhoto. A box appeared saying "you have installed Mac OS X software older than your current version of Mac OS X and may not work properly." Now what?

Installed QuickTime7 from Snow Leopard 10.6.8 installation disc and still can't view videos on iPhoto. A box appeared saying "you have installed Mac OS X software older than your current version of Mac OS X and may not work properly." Now what?

Download and install the latest QuickTime Player for Snow Leopard > http://support.apple.com/kb/DL923

Since upgrading to Mavericks from Snow Leopard, I am continuously getting the spinning disk???

I am so sorry for not including my computer information, I upgraded from Snow Leopard to Mavericks. I have an I-Mac   3.2 GHZ Intel Core 13 processor, 4 GB 1333 MHz DDR3---Now I am constantly getting the spinning disk when I try and do the things I used to do without problems. Is there something that can fix this? I downloaded from the Apple Store App

Try these in order testing your system after each to see if it's back to normal:
1. a. Resetting your Mac's PRAM and NVRAM
    b. Intel-based Macs: Resetting the System Management Controller (SMC)
2. Restart the computer in Safe Mode, then restart again, normally. If this doesn't help, then:
     Boot to the Recovery HD: Restart the computer and after the chime press and hold down the
     COMMAND and R keys until the Utilities 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.
3. Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the Utilities 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. Select Restart from the Apple menu.
     Reinstall the 10.9.4 update: OS X Mavericks 10.9.4 Update (Combo).
4. Reinstall Lion/Mountain Lion, Mavericks: Reboot from the Recovery HD. Select Reinstall Lion/Mountain Lion, Mavericks from the Utilities menu, 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.
     Reinstall the 10.9.4 update: OS X Mavericks 10.9.4 Update (Combo).

Will upgrading on to OS X Mavericks (from Snow Leopard 10.6.8) affect the running of the installed 3rd party softwares/programs?

I have just received an email encouraging me to upgrading on to OS X Mavericks (from Snow Leopard 10.6.8). Currently I do have in my computer several 3rd party software and programs (from Adobestuff, finalcut Pro, MS Office, ILife etc.
Will upgrading to OS X Mavericks affect the running of these software /programs? Will I need to also upgrade these softwares?

There may be issues with compatibilty, as with any OS upgrade. Snow leopard (10.6.N) includes a piece of software from Apple called Rosetta. This software allows older PowerPC applications to run on Intel based Macs. This software does not run on any OS X higher than the latest Snow Leopard, 10.6.8. You can see if you have any of programs that require Rosetta installed by bringing up the "System Information" application through spotlight (click on the magnifying glass icon on the upper right, type System Information in the search field and select the application thta is found).
Once in System Information select "Applications" under "Software" near the bottom of the list. Scroll through the list of applications and if any indicate that they are PowerPC based then they will not run under Lion, Mountain Lion or Mavericks.
Hope this helps.

Can i update from Snow leopard to Yosemite and still use old programs?

If I update from Snow leopard (10.6.8) to Yosemite will my old programs work? I'm referring to Freehand MX, Adobe Suite SC2, Microsoft office 2004. I cannot afford to replace ANY of them (I got a Mac when I was diagnosed with Dyslexia while at University so the University bought it all for me).
I have an external harddrive and was routinely backing up my computer however earlier this year it stopped working saying that there asn't enough room ( i though Time Machine deleted old copies?). I've not very tec savvy at all (and don't underatand how to wipe my external harddrive to start again nor how to set up or use time machine properly).
Please can someone help, explaining in plain English (pretend I'm 90 lol)

I have an external harddrive and was routinely backing up my computer however earlier this year it stopped working saying that there asn't enough room ( i though Time Machine deleted old copies?). I've not very tec savvy at all (and don't underatand how to wipe my external harddrive to start again nor how to set up or use time machine properly).
You are correct in saying Time Machine will delete old files off of the backend of the backup set. Why this is not happening with your Time machine drive I am not certain, but I have seen this error when, for whatever reason the boot drive was selected as the Time Machine drive
Open System Preferences > Time Machine and be sure the correct drive is selected, If not then change the selection to the correct drive.
STOP
Otherwise, since you say you are not very tech savvy I am assuming you do not have any third party volume repair utilities and since we do not know why your drive is full rather than deleting files off of the back of the set you want to take extra precautions to be as sure as possible the Time Machine drive is healthy. So I am going to recommend an extra step in the process. I am also assuming your Time Machine drive is attached to your Mac with either a USB or Firewire interface — this will not work for network drives.
Open Disk Utility — you will find it in /Applications/Utilities on your Mac hard drive
Select the Time Machine volume and click on the Erase tab
The format should be Mac OS Extended (Journaled)
You can change the name of the drive if you want
Click on the Security Options button and move the slider one notch to the right
Click on the Erase button — this will erase the drive and write zeros to every sector on the drive which should remap any bad sectors to the spare sectors on the drive but it will take some time, so don't get anxious.
Assuming there are no errors when Disk Utility completes close it
Open System Preferences > Time Machine and reselect the Time Machine drive.
You Mac will then start a new Time Machine backup set. This may take several hours depending on the speed of your Mac the speed of the connection to the Time Machine drive and the speed of the Time Machine drive itself.

I upgraded from Snow Leopard to Yosemite and now it runs much slower.

I have a MacBook that came with Snow Leopard. I have used this for about 4 years now and just upgraded to Yosemite. Now my mac runs slower, each page takes longer to load, sometimes when I'm typing (especially right after waking up) it can't keep up, when I click things it seems to not register it or it needs to be clicked harder.. when I power down i have to press the pwr button a few times or hold it (can't figure it out) to make it respond. Help!

Try these in order testing your system after each to see if it's back to normal:
1. a. Resetting your Mac's PRAM and NVRAM
    b. Intel-based Macs: Resetting the System Management Controller (SMC)
2. Restart the computer in Safe Mode, then restart again, normally. If this doesn't help, then:
     Boot to the Recovery HD: Restart the computer and after the chime press and hold down the
     COMMAND and R keys until the Utilities 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.
3. Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the Utilities 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. Select Restart from the Apple menu.
4. Reinstall Yosemite: Reboot from the Recovery HD. Select Reinstall OS X from the Utilities menu, 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.
5. Reinstall Yosemite from Scratch:
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
How to Clean Install OS X Yosemite
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.

I had to restore my 2006 MacBook Pro back to factory settings (Tiger 10.4). Can I use my Time Machine back up from Snow Leopard to put it back the way it was?

I cannot locate my Snow Leopard disks but I was able to use the Tiger disk that came with the computer to restore it. However, it completely erased it and set it back to Tiger. Can I use my Time Machine to put Snow Leopard and my data back on the computer?

You can't restore a Time Machine backup made with Snow Leopard onto a system with Tiger. You can, but you will damage Mac OS X.
In order to restore your Time Machine backup, you should have your Snow Leopard disc. Then, insert it and hold the C key while your MacBook Pro is starting. Finally, choose your language, go to Utilities menu (on the menu bar), choose the option to restore the backup and follow its steps, so you will recover Mac OS X Snow Leopard

I am new to mac's and have upgrade from Snow Leopard to Lion but......

I am new to mac's and have upgrade from Snow Leopard to Lion but not all my application will work. Is it save to reinstall using original snow leopard dvd and does it wipe all my other application like apature? I am in a panic over this, any help!!
I came across this online and i want to know is it safe to do this:
Backup your User folders to an external drive. This should preserve your documents, photos, music, etc. If you store those things in locations not in the User folder, make sure to copy those over too.
Insert the Snow Leopard disc. Restart your Mac and hold down C to boot to your DVD drive.
Go to Utilities in the menu bar once the installer pops up and select “Disk Utility.”
Find the drive in the sidebar where Lion is installed, select it and navigate to the Partition tab.
Click on the drop down menu under Partition Layout and select “1 Partition.” Hit Apply.
Now navigate to the Erase tab and make sure “Mac OS Extended (Journaled)” is selected, then hit Erase to delete all data on the drive.
Quit Disk Utility to get back to the Snow Leopard installer and proceed with the install.
Restore your User folder and documents from your backup.
Run Software Update to get everything current, install your apps from your original install media and update those as well.
if any one can help me that would be great, thanks Mike

Before you do that why not do this first:
Repair the Hard Drive and Permissions
Boot from your Lion Recovery HD. 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.
To boot from the Recovery HD restart the computer. After the chime hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
If this doesn't help, then you can proceed to reinstall Snow Leopard as follows:
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. I suggest you make a separate backup using Carbon Copy Cloner 3.4.1.
This will erase the drive so be sure to backup your files before doing this.

All the software from Snow Leopard remain in the launchpad.

After upgrading my mac book pro from Snow Leopard to Lion this morning, I found out that all the old software from Snow Leopard still reamin in the Launchpad.
For example, I now have two icons for dictionaries, two icons for safari, two icons for photo booth and so on. The icon for the old software won't work, but the new one works just fine (which makes sense, but I don't know why the old icon isn't replaced by the new one.)
I understand that I can choose to delete the old icons one by one, but I'm just wondering if I'm the only person who is experiencing this right now.
Also, did I do something wrong here? Is there anyway to take care of this problem?
Thanks in advance!

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 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.

Time Machine after upgrade to Mountain Lion from Snow Leopard

Hi,
I upgraded my Macbook pro to Mountain Lion yesterday from Snow Leopard. I just did the upgrade over the top of snow leopard so all of my apps and documents are exactly as they were (right down to the wallpaper)
However, there is a problem with time machine.
Time Machine no longer automatically backups to the drive I had been using for my snow leopard backups (I assume this is because I have changed operating systems).
How can i continue to use this drive for time machine?
Can I just select it again and will it retain my existing snow leopard backups?
Or do I need to format it?
Cheers guys.

Thank you, so that will retain my existing snow leopard backups and just start making new mountain lion backups? (There is more than 1TB of available space on the drive still)

I went from snow leopard to mavericks and skipped the whole mountain lion stage. Should I have airplay? If so, where is it so I can connect to my apple tv, it is not in my display options like my friend who went from mountain lion to mavericks.

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