Trouble installing mountain lion

I tried upgrading my MacBook pro to mountain lion. After a few minutes I get an error message saying disk needs to be repaired. Can't seem to exit install screen. Only option is to restart. Working perfectly before trying to upgrade os. Any suggestions?

@Bimmer,
I knew that Office apps would look bad from the discussions I've seen on the MS forums. However, there is some display res that seems to work for Photoshop - 1680 x 1050?
Keep me posted!
Clinto

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I have trouble installing mountain lion

hello
I can not install mountain lion, tells me that my disk is busy with time machine and no other to choose from, could help or tell me to do to install it?

Well, it's not so easy. You'd need to clone your disk as backup first using either
SuperDuper or CarbonCopy Cloner.
You'll need another hard drive to do that. Do you have a hard drive large enough to clone your drive onto?

I am having trouble installing Mountain Lion. Error says HD is not OSX Extended.

I went into Disk Utility and it says my HD is OSX Extended.

Open Disk Utility and select the physical drive (not the volume)... what is the partition map scheme?

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 install mountain lion but keep snow leopard as a bootable os

I'm caught in a vicious circle.
I need mountain Lion to be able to use iCloud and to be compatible with a couple of apps on my iPad. However some of my major apps on my mac Pro won't work under Lion or mountain lion.
SO the answer is to have both Snow Leopard and Mountain Lion on my Mac Pro.
Does anyone know of any instructions on installing Mountain Lion onto one SSD, whilst leaving Snow Leopard on another, allowing me to boot from either.
Also - any advice on the cleanest way of installing my apps under Mountain Lion (those that are compatible). I'm confused to how I can install my apps twice, especially if I have all ready registered Unser Snow Leopard.
Thanks

I'm assuming that you currently have an SSD with Snow Leopard on it, and another SSD with no operating system. Is that correct?
What I would do is use the Snow Leopard DVDs to install a fresh copy of Snow Leopard on the SSD that currently has no operating system, and "migrate" your data and applications from the other SSD. (alternatively, you could use something like Carbon Copy Cloner to duplicate one SSD onto the other - but that's probably only an option if one SSD is completely blank or you're willing to erase it).
Then upgrade to Mountain Lion on the original SSD.
When you're done, hold down the option key when you start up to select which OS to use.
For many applications, it won't matter which SSD they're on - you'll be able to run them from either system without worrying about where the app is installed (each will have it's own preferences, stored on the current startup drive). But some applications are more complex, and rely on additional files that are scattered around the Library folders on the startup drive. Since you migrated your applications and data, you should have everything that's needed on both systems, including license keys, etc. I did this for a little while with Quicken, and I actually left the Quicken app on the Lion drive - it worked just fine even though I started up from an external Snow Leopard drive (I skipped the migration step entirely, and reentered my Quicken license code when starting up from Snow Leopard).
How successful this will be depends on exactly which applications you're using. Most of them will be OK, but if you're using something that has some esoteric copy-protection mechanism, you might run into a little bit of trouble. Consider upgrading the "new" Snow Leopard install to Mountain Lion, if that's the case, so you're original system SSD will remain Snow Leopard, with no changes.

Serious wifi problems with iMac after installing Mountain Lion

After installing Mountain Lion, I'm experiencing serious trouble with wifi. I noticed that some people had this before with Lion. Can anybody help to solve this problem or should I downgrade to Mountain Lion?
Please help
Thanks in advance!

Thank you for the information Arizonadonn! I'll install 10.8.1 this evening. I really hope you're right after having connection troubles for almost a month now .
If this solves my problem, you'll be my hero !

How do I re-install mountain lion if my macbook air is in this state?

I just now had the bright idea of restoring my mac and wiping it clean. I'm currently in the start-up process and I can't re-install mountain lion because I never bought it. I bought this macbook air from an aquaintence last year. How do I upgrade to mountain lion if my mac is like this? Is this issue really as simple as upgrading?

cschnupp wrote:
The software on the macbook was the most recent. It had already been upgraded to mountain lion by the previous owner.
Does the original owner or yourself have a Snow Leopard istall disc? I'm guessing no.
Unfortunately it looks like my situation has worsened. I'll click re-install mountain lion then continue and a message saying "to download and restore os x, your computer's eligibility will be verified with apple." I'll click continue and another message will appear saying something like "could not install to drive please contact applecare." I am no longer being asked to enter my apple id or password. I fear this is a "you have tried x amount of times so you are now locked out" situation. Thanks to both of you for responding so soon!
That I'm not sure of. If it were me I'd still buy a copy of SL as it's cheap and partition the hard drive so I have two OS on the same disc, (make the SL partiton about 25GB). You can use one to trouble shoot the other sometimes. It also means you can boot from DVD which I like.

Macbook randomly shuts down after installing Mountain Lion.

I have a late 2008 Aluminum Macbook; as of last week I have installed Mountain Lion finally and I've come across a rather irritating problem: the laptop keeps randomly shutting down. I've noticed it primarily likes to go down when the battery is at 89%. I've never had battery trouble before, this happens even when the computer is not over-heating, so I'm fairly certain it's not a battery issue. After restarting the computer all the applications I was using are still open and any progression I had made on documents have been saved since the time of the crash.
I'm really at a loss as to what's going on with this. Has anyone experienced something like this or have any suggestions as to how to fix this?

Hi ppl again :)
I found that screen is not disabled, it is only have a very low brightness. So I begin to wait because I saw that actually installer is still running. Finally, Mas OS was installed and after that I change brightness using keyboard (it didn't worked while installation). Now all is ok. I also tried to reboot and system loaded correctly.
I hope this will help. Unfortunatelly Apple support was unable to help me by a phone call.
Have a nice day!

I cannot access old e-mails via Time machine since installing Mountain Lion at the beginning of August.

I cannot access old e-mails via Time machine since installing Mountain Lion at the beginning of August. I can access those received and sent since the benning of August. I can access other documents prior to August.

Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the page that opens.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.
Click the Clear Display icon in the toolbar. Try the action that you're having trouble with again. Post any messages that appear in the Console window – the text, please, not a screenshot.
Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.

Unable to install Mountain Lion on my hard drive

I'm trying to upgrade my early 2008 mac pro from Leopard to Mountain Lion using a bootable usb drive but I'm having trouble doing so. When I try installing mountain lion to my hard drive (Mac Drive 1) - The hard drive is greyed out and says 'you can't upgrade this version of OS X'. Yet it looks like I can install mountain lion onto my second hard drive (Mac Drive 2) for some odd reason.
Here's the details for my mac drive 1 which I'm having trouble with (I noticed the volume format is greyed out on disk utility as well).....
And here's the mac drive 2 info which I don't want to install mountain lion onto but looks like I can....
Any help would be much appreciated! Thanks a lot.

I can't answer the bad hard drive question without some guessing. Not that smart.
Do you have a bootable copy of the Mountain Lion installer?
If not download the following. The site says it will work with 10.6:
http://blog.gete.net/lion-diskmaker-us/
That program will allow you to make a bootable DVD or USB with Mountain Lion on it.
You can boot off of it, erase the disk, and then install Mountain Lion.
I think you should be able to reinstall from carbon copy cloner, but I haven't used that program. During the setup it will ask you if you want to import files, but I don't know if it can read carbon copy cloner. I know it can read a Time Machine backup.
A clean install is generally better anyway.
If you get Mountain Lion installed, not everything works like it did in 10.5/10.6. For an example, scrolling is reversed, but you can change it back to the way it is in 10.5/10.6 in System Preferences. After spending some time in System Preferences, my computer acts pretty much the way it always did.

HT1338 Attempt to install Mountain Lion has highlighted need for internal disk repair. Even after "repair" ML still says disk is damaged. Attempt to restore from Time Machine back-up failed - cannot 'see' internal HD to restore to. Help!

Attempt to install Mountain Lion has highlighted need for internal disk repair. Even after "repair" ML still says disk is damaged. Attempt to restore from Time Machine back-up failed - cannot 'see' internal HD to restore to. Help! Has attempt to install ML caused these problems or just highlighted existing need to Repair Disk? Even so, why can back-up from Time Machine not see the internal drive to restore to?

Csound1, William & Sig .... thanks for taking the trouble to reply. I fear you are right - I'll need a new disk. I'm booked in at the Apple Genius Bar in Bordeaux, France on Wed ... quite a challenge as my French isn't great! The current internal disk is 500gb, does anyone know whether I can upgrade my 21.5" iMac (circa Oct-2009 vintage) to a larger size internal disk, 1Tb or even 2Tb? I already have one external 2Tb drive and another one on order (I have masses of media stored and more planned as I've just taken up photography). Seems a bit of a pain managing with only 500gb internal storage. OR, can you advise me on how I can store all my photos on my new 2Tb external drive - I can't seem to figure out how to set the path for iPhoto to see them (I can't even figure out where they are stored right now!). Same with iTunes, how do I set the default storage to the external drive (I moved everything manually and then imported them all from the new drive - it worked but seemed very convoluted). Any advice on how to manage multiple drives gratefully received. And thanks again for previous replies.

HT3775 i installed mountain lion. Which quicktime do I need?

I recently installed Mountain Lion. Now i have trouble with certain quicktime movies not playing.

There is a Mountain Lion forum:
https://discussions.apple.com/community/mac_os/os_x_mountain_lion

Help! Mac is super slow after installing mountain lion

Ever since I installed Mountain lion on my new imac everything seems to be working really slowly. iphoto takes about 5 minutes to start and once it has started up it is really slow. Same thing happens with itunes. I have repaired disk permisions many times and also have run my Mac Keeper program as well.None of these things seem to help and it seems to be getting worse. Has anybody else have this trouble? Any ideas would really be appreciated. Thanks

Bucknut wrote:
and also have run my Mac Keeper program as well.
MacKeeper is your problem. Uninstall it as per instructions here
How to Remove MacKeeper
Cheers
Pete

TS3147 After installing Mountain Lion, I tried to scan from my Canon MX870 and received the message: "MP Navigator EX quit unexpectedly. Click Reopen to open the application again. A report will be sent to Apple,"

After installing Mountain Lion, I tried to scan from my Canon MX870 and received the message: "MP Navigator EX quit unexpectedly. Click Reopen to open the application again. A report will be sent to Apple," This problem happened right after I installed Mountain Lion. I then downloaded Canon's upgraded software and drivers for the MX 870 and the problem was resolved. Now one month later, the problem has returned.

rjliii wrote:
Solved problem with original Canon software. When I downloaded Canon software upgraded for OS X 10.8, I got all by Navigator Ex. Noticed that on Canon's site, the upgraded version is 3.1; my app was 2.1. Upgraded to 3.1 for Nav. Ex, and it works.
You should still use Image Capture IMHO. If it was my gear, that's what I would do. No need to worry about software upgrades.

My Macbook pro is running slow. Should I do a clean install before installing Mountain Lion?

My Macbook Pro has been taking forever to start up, and open windows, plus I get a lot of the spinning wheel of slow death when I'm working in my design programs. I HATE messing with my systems, because something always seems to go wrong.
Also, I have an iMac too. Can I install it on both machines if it is downloaded instead of a disk? Is that allowed?

Fix your Machines BEFORE Upgrading the OS... Otherwise you will only compound your issues...
Basically... Make sure you have enough Free Hard Drive space for your Mac to Perform as expected...
Rule of thumb is about 25 GB +
This is what Apple has to say.
http://support.apple.com/kb/PH10798
More Info Here...
ds store > Why is my computer slow?
Thomas A Reed > Mac Performance Guide
wildehair wrote:
Also, I have an iMac too. Can I install it on both machines if it is downloaded instead of a disk? Is that allowed?
You can install it on any computer you own... Providing the System Requirements are met...
Install Mountain Lion on multiple Computers
Log into App Store on your other Computer(s), being sure to use the Apple ID that Originally purchased ML...
http://applelife.tv/2012/07/install-mountain-lion-on-multiple-macs/

Trouble installing mountain lion

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