How do I know if have Mountain Lion Installed on my Mac

Do i have it if not how do i install it? And how do i find game center? Ive checked on my applications folder but it isn't there…thanks.

1. No.
2. You either buy a download code for Mountain Lion from the online Apple Store or get Yosemite from the Mac App Store.
3. Game Center isn’t part of 10.7.5.
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I have Mountain lion installed on my mac, but my brother fully uninstalled Messages app. how do i get it back?

Please Help!

Hello there, WNC007.
The following Knowledge Base article offers some pointers on the different viewing preferences for Mail for Mountain Lion:
Mail (Mountain Lion): Viewing preferences
http://support.apple.com/kb/PH11698
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

I have mountain lion installed (Version 8), why can I not attach a file in yahoo email on my apple

i have mountain lion installed (Version 8), why can I not attach a file in yahoo email on my Macbook?

What happens when you try?
Add Attachments
You also might look/post here.
Yahoo Mail Help

HT4848 I have Mountain Lion installed but it'll only create a recovery drive on Lion. What issue might I be having?

Thoughts?

As you have the installer on a DVD, you can do a trick that consists in formatting the hard drive, and then, install Mountain Lion.
First, make a backup of your files with Time Machine > http://support.apple.com/kb/HT1427 I recommend Time Machine because it will be easier to restore your files later.
Then, insert the DVD with Mountain Lion and hold the C key while your Mac is starting, so you will see a window with different options. Open Disk Utility, choose Macintosh HD in the sidebar, go to Erase tab and erase the drive.
After erasing the drive, you can install Mountain Lion. Close Disk Utility and install it. During the initial setup, it will ask you to restore your files, so plug the external drive with the backup and follow its steps. Note that PowerPC apps aren't compatible

Mountain Lion install crash on Mac Pro

Hi,
Just started the install on my Early 2008 Mac Pro and it's completely crashed the system. The app downloaded fine and ran OK in 10.7 doing the setup and then tried to reboot. As soon as it rebooted I get a Kernel Panic and the 'Please Power Off your System'.
I've managed to get into Recovery Mode and am going to restore from Time Machine and try again but has anyone else had this?
There were no warnings or errors before the kernel panic at all.......
Thanks,

This worked for me....
Restart
During restart, hold Ctrl + Command + P + R to reset the PRAM
After this, the computer will flash and reboot again and should boot into the Mountain Lion Installer.
Good luck.

I have Mountain Lion installed on my New Mini

I haven't booted my new 2012 mini yet, but I want to use the Time Machine backup and migrate my older OS into it (Snow Lepoard) is that possible?
My backup is from my MBP partitioned, with 2 Operating systems, Snow Lepoard, and Mountian Lion

You can't migrate the OS, but you can migrate the rest of your data. You'll be automatically taken through that process the first time you boot.

HT4718 Mountain lion install- no recovery hd error

I am trying to install mountain loin and keeping getting"can't install-no recovery hd" error.. I have installed mountain lion on an external drive as suggested but when I try to install afterwards back on the MacBook it still says it can't install due to no recovery hd. I have been trying for 2 days now, HELP please.

I have mountain lion installed on the ext HD. I don't know if it has a recovery HD or not, I just did the install from the downloaded app. The app was on the MacBook pro drive. Now the MacBook will not boot at all. It just shows the apple logo and a spinning loading symbol but doesn't come on. I don't know how to boot from the external drive.

How come I cannot download Minecraft? it says:Minecraft 1 is damaged and can't be opened, move to trash. I don't know but I think it is because I have Mountain Lion. Please help me.

How come I cannot download Minecraft? it says: Minecraft 1 is damaged and can't be opened, move to trash. I don't know but, I think it is because I have Mountain Lion. Please help me.

Make certain you have updated to the absolute latest Java from the official Java site, then try the download again.
YESTERDAY, 2 Feb 2013, new version of Java 7 was released by Oracle.
If you are running 10.7 or later get it ONLY from here, NOT from third parties:
http://www.java.com/en/download/index.jsp

I have Mountain Lion OS Install CD downloaded onto my external hard drive, how do I use this to upgrade from Leopard

Current computer that I just bought used is operating on Leopard 10.5.8
I have Mountain Lion OS X CD installation files downloaded on my external hard drive from another Mac that I have owned.
How do I use my external HD to download and Install Mountain OS X wizard.
Is the only way to do this to buy a copy of snow leopard and then once upgrading to that, plug in my external HD and then access the Mtn install file as I would if I had the installation CD?
When I try to access the install file from my external HD, i get to the installation window and then when I am to select a hard drive to install it on I receuve a red exclamation mark error that says it can not be written to the HD. Why is this? Because I'm not on snow leopard but rather leopard?

As you have the installer on a DVD, you can do a trick that consists in formatting the hard drive, and then, install Mountain Lion.
First, make a backup of your files with Time Machine > http://support.apple.com/kb/HT1427 I recommend Time Machine because it will be easier to restore your files later.
Then, insert the DVD with Mountain Lion and hold the C key while your Mac is starting, so you will see a window with different options. Open Disk Utility, choose Macintosh HD in the sidebar, go to Erase tab and erase the drive.
After erasing the drive, you can install Mountain Lion. Close Disk Utility and install it. During the initial setup, it will ask you to restore your files, so plug the external drive with the backup and follow its steps. Note that PowerPC apps aren't compatible

I have a 15" MacBook Pro with Mountain Lion installed. I have partitioned the hard drive into two partitions. Is it possible to install Snow Leopard on the second partition? If so how do I do it?

I have a 15" MacBook Pro with Mountain Lion installed. I have partitioned the hard drive into two partitions. Is it possible to install Snow Leopard on the second partition? If so how do I do it?

If your MacBook Pro had Snow Leopard on it at one time then sure. (Early 2011 or earlier)
How to erase and install Snow Leopard 10.6
Obviously choose the second partition to install into. It has to be OS X Extended journaled formatted in Disk Utility (BootCamp software makes it a MSDOS/FAT32 formatted partition if you used that to partition with)
If it's a Early 2011 or Late 2011 that came with 10.7, it's possible, but it's not easy.
https://discussions.apple.com/thread/3264421?start=0&tstart=0
If you can't install Snow Leopard, there is a thread over at MacRumors how to run Snow Leopard in a virtual machine program under 10.7 or 10.8

How can i get mountain lion reinstalled if my mac says apple id never purchased? hd failed 2 wks after wty expired, I am the original owner, i have done command-r

how can i get mountain lion reinstalled if my mac says apple id never purchased? hd failed 2 wks after wty expired, I am the original owner, put another hd in, done command-r & sys reinstalled, but it wanted to update & now am stuck. I don't mind paying for mountain lion; it is too far to get to an apple store. but, i only have one mac, so i cannot download with another mac. lots of other apple, but only one mac.

You will need to do a network recovery:
Install Lion/Mountain Lion on a New HDD/SDD
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.
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:
1. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select your external 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.
3. 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: Select Reinstall Lion/Mountain Lion 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.

I am new to mac, but i keep reading about Mountain lion. I just bought my Mac book Pro less then a month ago. my current software is OS X 10.8.2, Do i already have mountain lion? How do I check to see?

I am new to mac, but i keep reading about Mountain lion. I just bought my Mac book Pro less then a month ago. my current software is OS X 10.8.2, Do i already have mountain lion? How do I check to see?

As the others have stated, you're on Mountain Lion with 10.8, anything. But you can check your version of the software by going to the apple in the upper left corner of the screen and clicking it and selecting "About This Mac". That will open a box that shows your software version. Once there you can click on "More Info" that will tell you everything about your specific mac configuration.
Welcome to the Mac family.

I have mountain lion OSX and parallels with Windows. Every time I click on a hyperlink in other applications it opens - some 7 Zip file explorer inside Parallels but doesn't go to Safari. Does anyone know solution?

I have mountain lion OSX and parallels with Windows. Every time I click on a hyperlink in other applications it opens - some 7 Zip file explorer inside Parallels but doesn't go to Safari. Does anyone know solution?

I suggest that you run software update, after which you should have Safari 6.0.5 - then check Safari - Preferences - Privacy & see that 'Block cookies' is not set to Always.
Failing that - switch Safari extensions Off via Safari - Preferences - Extensions & test again

HT202663 I have Mountain Lion 10.8.4 and want to find how congested are channels 1 - 13. Seems to be easy with 10.8.3 and earlier but cant for the life of me find it in 10.8.4. Can anyone help?

I have mountain lion 10.8.4 and want to find how congested are channels 1-13 on my router. How do I do this please?

I'd suggest you get WiFi Explorer from the Mac App Store. For only $3.99 I find it well worth the cost for the ease of use and better info in relation to the built-in tools.
Regards.
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How do I switch from Mountain Lion to Snow Leopard? New used computer that I don't have anything on yet but has Mountain Lion installed.

I just puchased a used 2008 MacPro 2.8 ghz 8 core and it has Mountain Lion installed on it. I want to go back to Snow Leopard because it is a better stable OS for using Final Cut Pro 7. I just bought the Snow Leopard Discs to install. I need to erase the hard drive and install Snow Leopard. Any help on how
to do this? Thank you.

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.

How do I know if have Mountain Lion Installed on my Mac

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