HELP!!! Mountain Lion Install Error, computer won't boot!

Today I downloaded OS X Mountain Lion from the Mac App Store. Once it finished, I installed it. It rebooted and came up with the error "Install Failed, Macinstosh HD is damaged and cannot be repaired". Macintosh HD is (and has been) operating correctly, after running tests on it about 1 week ago. But, the worst part is that when I boot into the Recovery Partion of the HD, it will not let me reinstall Lion, it just comes up with the error "Error", no discription. Already called Apple, they could not fix it. Anyone else had this problem? Please help, thanks.

Same thing happened to mine today, now nothing works

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Installed os X Mountain Lion and now computer won't boot (first had keyboard issues-reverse caps)

Hi all,
I just updated my macbook air to osX mountain lion and now it will not boot at all.. At first I was having issues with the keyboard and keys typying weird characters.. and the caps lock was stuck on reverse. Now I have nothing.. Can someone help.

What happens when you try to boot?

Mountain Lion Install Errors

I have a mid 2012 Mac Mini, The kids had used this Mac for 6 months, So I needed it back, It had OSX Lion, the idea was to erase, format and reinstall Mountain Lion, run Disk first aid, everything good.
Already had Mountain Lion on my mid 2012 MacBook Pro, Mountain Lion install went perfect last month on the MBP with a reformatted, erased drive.
So on the mini I went to the app store and downloded Mountain Lion, Installed it twice, both times a "Damaged File" error occurred, downloaded 3 more times uninterupted, still same error, restarted and downloaded ML twice via WiFi, New error, "Install Failed" both times, Downloaded ML on my MBP, made a USB stick install drive, twice with "Install Failed" error.
Do I have a 15 month old brick, I convinced my new wife that Macs are more stable and last longer as I have owned Macs since 1995, Help.

Have you tried running Apple Diagnostics to see if there are any hardware errors showing up?

Mountain Lion install error: "Cannot be installed because a recovery system can't be created". What does this mean?

How can I install Mountain Lion OS... I get error message saying a Recovery System can't be created... Any help or ideas out there?

After a week of dealing with AppleCare we discovered there was a corrupted recovery disk on my hard drive when i upgraded from Snow Leopard to Lion, therefore not allowing the upgrade to Mountain Lion. So ended up backing up the computer, then formatting the computer and reloading SNOW LEOPARD then upgraded straight to Mountain Lion, then restored my user files. This has worked, and am so grateful to AppleCare for their tireless help with diagnosing and helping to sort this out! they've been fantastic!

Just installed Mountain Lion, and my Mac won't boot correctly. What should I do?

So I stupidly decided to "upgrade" to Mountain Lion this evening. I downloaded ML, installed it, and now whenever I try to boot my Mac I can't get anywhere. The apple logo comes up and the spinning wheel below it starts up, but then it stops and restarts itself over and over again. I can boot in Safe Mode and I have verified the disk and the permissions (there were no issues.) Any suggestions on how to get it to boot normally? If it helps, I have a 2011 Macbook with 8GBs of RAM. I did have Snow Leopard before I tried upgrading to Mountain Lion.
Also, on a side note, I have my original install DVDs that came with my Macbook... if nothing else works, can I use these to revert back to Snow Leopard? I don't care if I have to clear my entire computer, I have everything I need backed up (and not through Time Machine. I just have the files I want.)

Have you checked that all your apps are compatible with Mountain Lion? Check that the apps are supported > http://www.roaringapps.com If you have apps that aren't supported, start in safe mode and uninstall them. Then, restart and see if Mountain Lion starts properly.
Another thing you can do is to reinstall OS X again. To do it, hold Command and R keys while your computer is starting and reinstall OS X.
xSarabean wrote:
Also, on a side note, I have my original install DVDs that came with my Macbook... if nothing else works, can I use these to revert back to Snow Leopard?
Of course. You have to erase the hard drive and install Snow Leopard on your hard disk, but first try to solve the problem with Mountain Lion

Mountain Lion Install Issue - Bootcam partition cant boot up!

After installing Mountain Lion OS, I experienced startup problem with my Bootcam partition.
I saw blue screen after rebooting the Mac with error message " process1_initialization_failed " after installation complete.
What can I do to recover my Bootcam partition?
Need Help!
Regards,
Ken

Welcome to Apple Communities
Insert the Windows DVD, press C key in boot and select Repair your computer

When installing mountain lion on my computer, why does it say "OSX Mountain Lion couldn't be installed, because the disk \ is damaged and can't be repaired."

I'm unable install mountain lion on my computer. Every time it says "OSX Mountain Lion couldn't be installed, because the disk \ is damaged and can't be repaired. Click restart to restart your computer and try installing again." So I press the only button listed as an option, it restarts, and the same screen comes up again. I can't make mountain lion go away...I've tried many times. What is wrong with my computer? It's stuck like this and I can't even get snow leopard back on there if I wanted to because I can't get away from the same screen. Please help : (

Insert your OS installer disk in the optical drive. Power the Mac down by holding down the power button. Then power back up and hold down the 'c' key so the MBP boots to the installer disk. From Disk Utility you should do a Repair Disk. If DU successfully repairs the disk quit the installer and reboot your Mac. You should update to 10.6.8 prior to upgrading to ML.
http://support.apple.com/kb/DL1399
Then do your ML upgrade install.

Mountain lion crashes my computer during install.

Help! I've got a solid backup, but during install, Mountain Lion threw my computer into a dead stop during the BSD init process.
Anyone else having this problem? I'm downloading the ML installer to try and boot from USB, but at this point I'm at a bit of an impass. If this doesn't work, I don't either tomorrow morning.
Besides calling me an idiot, any suggestions on getting back to running order?
Thanks,
JS

Restore your solid backup.

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.

If I upgrade to Mountain Lion on the computer that will install it, will my WIFI still work on the computer that cannot be upgraded? I know this is a very basic question

If I upgrade to Mountain Lion on the computer that will install it, will my WIFI still work on the computer that cannot be upgraded? I know this is a very basic question. Trying to hold out as long as I can, but purchasing an iPhone for Christmas and new iMac next year when warrently expires.

Thank U very much for the quick reply, I wanted to upgrade this weekend, but still on the fence. I can live with the software that is not compatible, they are on another compuetr, just didn't want the obvious stuff to stop working.

After Mountain Lion install, my iMac powers off instead of just going to sleep. Help? Thanks.

After I installed Mountain Lion on my 2009 iMac, it will power off after I don't use it a while. It used to just go to sleep, I'd shake the mouse, and it would come back up. Now it powers off and I have to power it back up every time.
My Macbook has NOT had this problem since Mountain Lion install. It is fine.

Do these resets to clear errant commands:
SMC RESET
http://support.apple.com/kb/HT3964
Shut down the computer.
Unplug the computer's power cord and ALL peripherals.
Wait 15 seconds.
Attach the computers power cable.
Wait another 5 seconds and press the power button to turn on the computer.
The 5 second timing is important to a successful reset.
PRAM RESET
Zap the PRAM
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

Brand new Mac, had to erase drive through disk utility as time machine back up failed. Now disk utility only has the option to install Mountain Lion which my Mac won't allow. Anyone any ideas as my Mac won't load anything up but disc utility!

Brand new Mac, had to erase drive through disk utility as time machine back up failed on initial setup, USB cable popped out Now can only access disk utility as won't load to log in screen. The only has the option in disc utility is to re-install Mountain Lion which my Mac won't allow or loading another time machine back up but after an hour of it processing, that didn't resolve the issue either! The time machine back up is the latest back up of my Mac Book Pro which was using OS X Maverix. I'm guessing I'm going to have to take my Mac to the store but that would be a hassle so does anyone have any ideas?

Follow this guide using another Mac.
Insert your newly created Mavericks USB into you Mac, press the power button and then hold down 'option,' until it gives you an option to boot from the USB. You will then be able to erase the internal disk with Disk Utility and reinstall Mavericks straight after.
After that you should be able to use Migration Assistant to restore your applications and user data.

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.

After installing Mountain Lion, my Time Machine won't back up ... says the sparsebundle is in use

After installing Mountain Lion, my Time Machine won't back up ... says the sparsebundle is in use

Standard problem in ML.. apple do not seem to want to recognise.
Reboot the TC .. if that fails restart the whole network in correct order.. modem.. router/TC... clients.. with 2min gap.
There are other suggestions like changing the password.. all they do is the same as reboot.
Read C12.. most quoted Q in pondini website history. This is asked 10 times a day.
http://pondini.org/TM/FAQ.html
Here is another way to get a useful utility in ML.. rather than toyland version.
How to load 5.6 into ML.
1. Download 5.6 for Lion.
http://support.apple.com/kb/DL1482
Click to open the dmg but do not attempt to install the pkg.. it won't work anyway.
2. Download and install unpkg.
http://www.timdoug.com/unpkg/
Run unpkg on the desktop.. it is very simple.. drag the AirPortUtility56.pkg file over to unpkg.. and it will create a new directory of the same name on the desktop.. drill down.. applications utilities .. there lo and behold is Airport utility 5.6 .. drag it to your main utilities directory or just run it from current location.
You cannot uninstall 6.1 so don't try.. and you cannot or should not run them both at the same time.. so just ignore the toyland version.. the plastic hammer.. and start using 5.6.. a real tool.

If you try to download Mountain Lion and your system won't support it, will it tell you or just crash the computer?

If you try to download Mountain Lion and your system won't support it, will it tell you, or will it try and then crash the computer?

I have a MacBook Pro purchased in 2008. It is a 2.6 GHz Core 2 Duo Processor with 4 GB memory and I am currently using OS 10.7 Lion. But it is one of the "silver keyboard" models. I was told by someone that I would not be able to use Mountain Lion. I have already purchased it for use on my new MacBook Pro, and would like to put it on this one as well, but don't know if I should just try it.

HELP!!! Mountain Lion Install Error, computer won't boot!

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