I installed Mountain Lion on my one-year-old MacBook Pro and now the fan runs every time I use it. That very seldom happened before. Does Mtn Lion ,ake it work harder? If so, can I go back to the old OS for some peace and quiet?

This is my first time trying to post a question so I'm not sure I did it correctly...

Hi JoeyR. Well, according to this link at the Apple Store, OS X Moutain Lion became available in July and I downloaded it for $19.99. I figured I would do that before renewing my Norton security SW. Are we talking about the same thing?
http://www.apple.com/osx/

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After installing Mountain Lion doesn't external hard drives mount or stay mounted. Anybody else with this major problem?

After installing Mountain Lion doesn't external hard drives mount or stay mounted.
I have tried resetting my Mac's PRAM but the problem still remains.
Even USB memory sticks are unmounted efter a few seconds.
Anybody else with this major problem?

I have the same problem, although mine has not been solved by ESET update, finder settings, PRAM & SMC resets or anything else.
Don't get it, my external hard drive still works on both my housemates computers - one macbook pro (with snow leopard) and one dell, just not on mine with mountain lion.
Any ideas for me guys?

Installing Mountain Lion onto an external hard Drive

Hi
I am running snow Leoprd and what to keep this as my main OS on my internal HD due to work, I want to install Mountain Lion onto an external Hard Drive and boot and run from an external HD as opposed to my internal
I will be likely to be using a thunderbolt connection for the external HD
Has anyone had any experience with this and any tip or faults?
I will be using Logic mainly]

Works just like installing on an internal drive. Just be sure to choose the correct target before clicking on the Install button.
If you have sufficient space on your internal hard drive you could also make a partition on it in which to install Mountain Lion. This will be faster and more convenient that an external drive.

Numbers does not open with the main user after installing mountain lion. It works flawlessly when I use the second account on my mac. What got corrupted in the admin-account, something in the user-library? How can I fix it? I´m kinda desperate...

Numbers does not open with the main user after installing mountain lion. It works flawlessly when I use the second account on my mac. What got corrupted in the admin-account, something in the user-library? How can I fix it? I´m kinda desperate... (the same happens with the other iWork-Apps!)
Looking forward to hearing from somebody with a littlemore expertise than me, Chris

you can remove preferences files by navigating to the Preferences folder for your user as follows:
0) Quit ALL iWork apps (Keynote, Pages and Numbers)
1) from the Finder select the menu item "Go > Go To Folder…". This will bring up a dialog:
2) enter the path "~/Library/Preferences" (no double quotes)
3) find the files:
com.apple.iWork.Keynote.plist
com.apple.iWork.Numbers.plist
com.apple.iWork.Pages.plist
and move these to the trash. I would NOT empty until later.
4) restart Numbers

I just bought a new macbook pro, i lost my receipt which had a website on it that i had to go to were i would receive a code which i can redeem for the new mountain lion software. What do i do?

I just bought a new macbook pro, i lost my receipt which had a website on it that i had to go to were i would receive a code which i can redeem for the new mountain lion software. What do i do?

See Apple - Free OS X Mountain Lion upgrade Program.

Need to re-install Creative Suite 6 on a re-built MacBook Pro: I have the DesignStandard_CS6_LS16.dmg from initial download, do I simply double-click on the dmg to install? Will I need any keycodes?

Need to re-install Creative Suite 6 on a re-built MacBook Pro: I have the DesignStandard_CS6_LS16.dmg from initial download, do I simply double-click on the dmg to install? Will I need any keycodes?

Caseycork92 you double click the DMG to mount the disk image. You will also need to enter your serial number for Creative Suite 6 for Macintosh. You can find information on how to locate your serial number under your account at Find your serial number quickly - http://helpx.adobe.com/x-productkb/global/find-serial-number.html.

Can I install Mountain Lion on a different hard drive when it's already installed on one hard drive?

I have a Mac Pro with two 2TB hard drives installed, one I use for storage, and one as my startup disk (also store things on there as well). I just installed two new 2TB drives and have set up a RAID 0 with them. I want to use the RAID drive as my start up disk, but I'm not sure if I can install Mountain Lion on the new RAID drive while it is still on the original start up drive. I also don't want to lose or erase any information from my current start up drive. Can anyone offer me guidance??

Firstly, you need to partition and format the SSD. You need to be able to boot the computer from another drive that has a bootable OS X system installed or a Snow Leopard DVD installer that works on the computer.
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.

How I installed Mountain Lion on Un-repairable Hard Disk.

My Recommendations for Avoiding Trouble, Avoiding Risk, and Saving Time.
1) Make a boot clone first!!!
      http://www.bombich.com/
http://www.shirt-pocket.com/SuperDuper/SuperDuperDescription.html
2) Fix and repair your hard disk with Disk Utility and fsck_hfs before installing Mountain Lion!
    (Otherwise the installer will write-lock the disk preventing repair.)
Mountain Lion Aborted Installation—Claimed Hard Disk Failed, Couldn't be Repaired, and Should be Replaced
I have a 2011 MacBook Pro. Installation of Mountain Lion aborted claiming the hard disk could not be repaired by Disk Utility, should be backed up immediately, and replaced. It didn't make sense that the drive was booting up the computer for installation, but needed replacing. I removed the drive, put it in an external enclosure, and backed up the drive using a working Mac Mini, and Carbon Copy Cloner.
Hard Disk Was Write-Locked—Not Failing
Booting in Single User mode (hold command and S keys down while bootup is proceeding). I then typed in the fsck command given after Single User bootup. It informed me the drive was write-locked and read only. Now things were starting to make sense. Disk Utility couldn't repair the drive because it was write-locked! Maybe it could have been unlocked by the "chflags nouchg /Volumes/volume" or "chflags noschg /Volumes/volume" commands (http://hints.macworld.com/article.php?story=20031017061722471), but I didn't try it. Unlocking the drive is really worht a try because it could save hours of coppying through a slow USB interface.
I formatted my laptop drive after copying it to another large external drive. Then I used Carbon Copy Cloner to clone Snow Leopard from my Mac Mini to my freshly formatted original laptop drive. I unsellected the "Users" folder so I would only get the operating system—saving lots of hours copying data I don't need. Then I put the drive back in my laptop, and it booted with Snow Leopard. Checked the volume with Disk Utility and was informed the drive is fine. I removed the drive and connected it externally to my Mac Mini and ran fsck_hsf a few times in the terminal, which showed problems were found and fixed.
sudo fsck_hfs -fy /dev/rdisk1s2
Password:
** /dev/rdisk1s2 (NO WRITE)
   Executing fsck_hfs (version diskdev_cmds-491.6~3).
** Verifying volume when it is mounted with write access.
** Checking Journaled HFS Plus volume.
** Checking extents overflow file.
** Checking catalog file.
** Checking multi-linked files.
** Checking catalog hierarchy.
** Checking extended attributes file.
** Checking volume bitmap.
   Volume bitmap needs minor repair for under-allocation
** Checking volume information.
   Invalid volume file count
   (It should be 550614 instead of 550591)
   Invalid volume free block count
   (It should be 175459733 instead of 175460263)
** The volume MacBookPro HD was found corrupt and needs to be repaired.
3) sudo fsck_hfs /dev/rdisk1s2
Password:
** /dev/rdisk1s2 (NO WRITE)
   Executing fsck_hfs (version diskdev_cmds-491.6~3).
** Verifying volume when it is mounted with write access.
** Checking Journaled HFS Plus volume.
fsck_hfs: Volume is journaled. No checking performed.
fsck_hfs: Use the -f option to force checking.
[karl_ihrig] 4) sudo fsck_hfs -f /dev/rdisk1s2
** /dev/rdisk1s2 (NO WRITE)
   Executing fsck_hfs (version diskdev_cmds-491.6~3).
** Verifying volume when it is mounted with write access.
** Checking Journaled HFS Plus volume.
** Checking extents overflow file.
** Checking catalog file.
** Checking multi-linked files.
** Checking catalog hierarchy.
** Checking extended attributes file.
** Checking volume bitmap.
** Checking volume information.
** The volume MacBookPro HD appears to be OK.
5) sudo fsck_hfs -fy /dev/rdisk1s2
** /dev/rdisk1s2 (NO WRITE)
   Executing fsck_hfs (version diskdev_cmds-491.6~3).
** Verifying volume when it is mounted with write access.
** Checking Journaled HFS Plus volume.
** Checking extents overflow file.
** Checking catalog file.
** Checking multi-linked files.
** Checking catalog hierarchy.
** Checking extended attributes file.
** Checking volume bitmap.
** Checking volume information.
** The volume MacBookPro HD appears to be OK.
6) sudo fsck_hfs -fy /dev/disk1s2
** /dev/rdisk1s2 (NO WRITE)
   Executing fsck_hfs (version diskdev_cmds-491.6~3).
** Verifying volume when it is mounted with write access.
** Checking Journaled HFS Plus volume.
** Checking extents overflow file.
** Checking catalog file.
** Checking multi-linked files.
** Checking catalog hierarchy.
** Checking extended attributes file.
** Checking volume bitmap.
** Checking volume information.
** The volume MacBookPro HD appears to be OK.
I put the drive back in the laptop and repeated the fsck commands after a Single User boot. (Omited the sudo commands and used /dev/disk0s2.)
Downloaded and Successfully Installed Mountain Lion on "Unreparable" Drive
I downloaded the Mountan Lion installation application to my laptop, ran it, and had a smooth install.
More Trouble Migraiting My Applications and Directory
I expect to use up more time changing my computer name, migrating applications and rsyncing my User Directory. I will post how I achieve this.
I Hope People Avoid Trouble and Problems are Solved
I hope everyone will avoid trouble by making boot clone of their whole disk before attempting an install of ML and repairing their disk with Disk Utility and fsck before ML installer prevents it with a write-lock. Please see the first section.
I hope this solves other peoples problems with 'unreparable' disks. I believe this proves disks are repairable when ML says otherwise.
Good luck everyone!

troca, you certainly helped dtigerbme! Isn't that encouraging?
I recommend you copy your drive as soon as possible. I really don't think the drive is bad, but you may have to format it and copy back to it. Hopefully not. Clone or backup the drive before trying this recipe. Any time you have errors on a drive, back it up. A failing drive has lmited life. However, I don't think these drives are really failing, but that is my opinion and I break a lot of things.
Let's try this recepie for you:
Start in Single User Mode. Power on while holding the Command + S keys.
At the prompt, type "fsck_hfs -fy" or "fsck -fy" and hit return.
Do it again.
Enter the command "reboot".
Just googled "volume count disk utility" and got the same recipe to fix it.
http://counterjumper.com/post/19265700171/how-to-fix-invalid-volume-free-block-c ount-error-in
So my recipe is to try to fix the drive without taking it out of the computer, which requires you can boot it up.
troca it looks like Apple has said that error is benign and can be ignored in 2010.
http://support.apple.com/kb/TS2028?viewlocale=en_US&locale=en_U
I do believe fsck will fix it though.
Some other results from the same search:
http://forums.macrumors.com/showthread.php?t=1071850
https://discussions.apple.com/thread/3635034?start=0&tstart=0

How do I re-install Mountain Lion on a new hard drive (replacement)?

I have an older iMac 24" (2007) that has been up-graded to Mountain lion. I want to replace my hard drive with a bigger one (has 500Gb). How can I re-install Mountain Lion on my new drive? I have Time Machine on this machine.

Install 10.6 and 10.8 onto the new drive exactly how you did it on the old drive, except that you won't need to pay to redownload 10.8. Alternatively, if you kept a copy of the 10.8 installer, you can just rerun it.
(72891)

Cant install mountain lion on a new hard drive 2011 mac pro 17"

for some reason I bought the infamous 2011 mac pro, and the hard drive kept having IN/OUT problems and after it destroyed half day of work, I decided to get a new hard drive, *blue WD 500g" but i have tried EVERYTHING and i just cant install mountain lion on it.
1.- i tried forcing the recovery mode so It would connect to the internet and download mountain lion but after 10 min or so i trows the -2002f error at me
2.- I tried to use the old hard drive that i put on a external hard drive reader so I could get the recovery partition but i just keep restarting the installation no reason given
3.- downloaded the mountain lion and tried to installing it on the system hard drive of the laptop trough a computer running snow leopard but dosn't let me.
4.- tried the same thing on target mode without success
5.- using the recovery partition I used disk utility to se of the partition was locked but it was not
6.- created a different partition to see if it would install it there didn't work.
i just don't understand why
any toughs?
if you answer this you would be a personal hero of mine
cheers

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.
Use DiskMaker X to put your installer clone onto the USB flash drive.
Make your own Mavericks flash drive installer using the Mavericks tool:
You can also create a Mavericks flash drive installer via the Terminal. Mavericks has its own built-in installer maker you use via the Terminal:
You will need a freshly partitioned and formatted USB flash drive with at least 8GBs. Leave the name of the flash drive at the system default, "Untitled." Do not change this name. Open the Terminal in the Utilities folder. Copy this entire command line after the prompt in the Terminal's window:
     sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia --volume
     /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ Mavericks.app --nointeraction
Press RETURN. Enter your admin password when prompted. It will not be echoed to the screen so be careful to enter it correctly. Press RETURN, again.
Wait for the process to complete which will take quite some time.

Trying to install Mountain Lion but I get an erroneous message - can't install on this drive as it's used for time machine backup (no it isn't and never has been)

Problem installing Mountain Lion on Mac Pro 3 - currently Snow Leopard

Look at the hard drive where Applications, Library, System, and Users are. There is most likely a backup file there. Delete it.
Can't Install OS on Volume Used by Time Machine

One year on MacBook Pro (almost) - disappointed

For Christmas last year, I was offered a 15 inch MacBook Pro. It was, by far, the best present I ever got.
Up until then, I was schlepping around a Dell Latitude. I had had it for six years and that Dell was a reliable little machine, even though it did not have half the cachet of a shiny, aluminum-encased MacBook Pro.
Since December of 2010, I have become an Apple user exclusively. I got an iPhone, and recently got an iPad.
But to me, the most important device in my mini-collection is the MacBook Pro. It is my professional computer, the one I use to write and communicate with.
Shortly after getting it as a present I purchased Office for Mac, the 2011 edition.
Few days after receiving the MacBook Pro, I experienced strange graphics jamming when using Facebook; the screen literally turned into Poltergeist.
I took it back to the Apple store in Tysons Corner, VA and got a new one. This was my first introduction to Apple Computers' great fallability. To discover such a fundamental flaw on a PC would be unheard of.
The problem no longer exists, except for the occasional graphic hiccup (recently, when I would scroll down a web page, stripes of the image would remain frozen in place and get spread over the entire screen like jam as I tried to scroll up and down).
My MacBook Pro often freezes. I see the beachball every other day.
Today I was performing a paste in Word and the application crashed altogether.
Safari has never worked. I start it up and the screen remains blank. I read somewhere in the forums that I can switch to a guest account and use it there. That does work, but to say that that is an impractical solution is an understatement (ie., user settings--passwords, cookies, bookmarks--aren't saved, so that's no good). Why can I not use Apple's Safari on an Apple computer is baffling to me and is very telling. It reveals something fundamentally flawed in the way Apple designs its products. Because if a flaw like this one can make it through their Quality Assurance workflow, guess what? That's an issue.
Another problem is that Mozila used to crash regularly until I turned off some of the browser's features. Now Mozila crashes only every once in a while.
After a year of using Mac, I do not feel secure about this product or this company. I feel like I have a device which is imperfect, a laptop that's fallible, that was assembled carelessly. I feel like the company that is behind the product is full of holes and lack maturity in the way they produce the devices which has made them so famous.
Although I would not go back to PC machines, I am greatly disappointed in Apple's MacBook Pro.
My Dell Latitude never gave me any problems whatsoever. That machine was rock-solid and chugged along, with loyalty.
It would be silly of me to try and convince you of buying a PC -- Macs are sexy and they're cool and that's what you want. But know that you're not getting a machine that's assembled with the same degree of professionalism as a Dell, an IBM or a SONY. Be aware that Macs are fallible machines and that under that beautiful and shiny exterior lies an imperfect core.

Sounds like you've been extremely unlucky. Why don't you make apple get you a new one again, if this machine is also flawed?? I have a mac pro and a macbook pro, and even though my mac pro went down today (hopefully something i'll manage to fix), i must say that that machine has been the most stable machine i've ever owned. It's basically been switched on non-stop for 5 1/2 years, the only times i've ever rebooted it has been after installing some software requiring a reboot, and it's always been rock-solid. I've only had my macbook for a year now, but so far it's also a winner. Only thing i dislike about it is the case-design, as it has a spot wich is extremely vulnerable to liquid damage. It's the opening between the screen and the rest of the case. However an opening is needed there for air-flow, but it could be designed in a smarter way.

I seem to have 2 Apple IDs, one on my MacBook Pro and another on my devices. If I switch from MobileMe to iCloud on my Mac (under the apple logo) will my devices work and sync in iCloud. I have no idea how I go 2 IDs

Can I get rid of one ID? How do I do that?

one on my MacBook Pro
That's not an Apple ID. That is your admin account which you can view in System Preferencs > Accounts or Users & Groups.
If I switch from MobileMe to iCloud on my Mac (under the apple logo) will my devices work and sync in iCloud. I have no idea how I go 2 IDs
Just use your current Apple ID when you setup your iCloud account that you use for your devices.
Apple - iCloud - Learn how to set up iCloud on all your devices.

I am trying to re-install mountain lion on a new hard drive on a mac pro but get a backward slash with a circle

I am trying to reinstall mountain lion in a mac pro with a new ssd drive but will not let me. It gives me a back slash with a circle. I have 2 optical drives, first is a blu-ray and the second is a super drive. could that be the cause?

Firstly, you need to partition and format the SSD. You need to be able to boot the computer from another drive that has a bootable OS X system installed or a Snow Leopard DVD installer that works on the computer.
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.

How do I install Mountain Lion on a new hard drive

Bit of a novice here.
13inch MacBook Pro mid 2009 unibody user. Upgraded to Mountain Lion via download. I need to upgrade my HD for more space. No longer have the install CDs that came with it.
How do I go about installing the OS on the new HD?
Many thanks.

As an additional thought:
You may want to consider contacting Apple for replacement install disks anyway for whatever OS it came with because:
Your license for Mountain Lion purchased at MAS is not transferable - it is forever tied to your Apple ID (and the machine ID). If you sell/gift your Mac, you will need to erase the Mountain Lion and reinstall the original OS; otherwise the buyer will have an illegal copy and will not be able to reinstall (because the Apple ID is not the same as it was when purchased).

I installed Mountain Lion on my one-year-old MacBook Pro and now the fan runs every time I use it. That very seldom happened before. Does Mtn Lion ,ake it work harder? If so, can I go back to the old OS for some peace and quiet?

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