How long to reinstall OSX?

I am reinstalling OSX from the reinstall disk and it is saying it will take more than *12 hours*! Is this right? I have been having problems with the computer freezing up and taking a long time to load.
How long should this take?

it should take an hour max, there is something wrong. try again, if it happens again, it might be an issue with either your dvd drive or your hard drive

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Erased mac book pro (2009), how can i reinstall osx? it won't recognize any old system disc

erased mac book pro (2009), how can i reinstall osx? it won't recognize old system discs

Did you try:
Install or Reinstall Mavericks or Mountain Lion 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.
OS X Mavericks- Erase and reinstall OS X
OS X Mountain Lion- Erase and reinstall OS X
OS X Lion- Erase and reinstall Mac OS X
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.
If you don't have the original discs that came with the computer, then you can install the retail version of Snow Leopard:
You can purchase Snow Leopard through the Apple Store: Mac OS X 10.6 Snow Leopard - Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.
After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Access to the App Store enables you to download Mavericks if your computer meets the requirements.
     Snow Leopard General Requirements
       1. Mac computer with an Intel processor
       2. 1GB of memory
       3. 5GB of available disk space
       4. DVD drive for installation
       5. Some features require a compatible Internet service provider;
           fees may apply.
       6. Some features require Apple’s iCloud services; fees and
           terms apply.

How do I reinstall OSX if I lost the recovery dvd?

How do I reinstall OSX if I lost the recovery dvd?

You can't. You can purchase replacements from AppleCare. You can purchase a Snow Leopard DVD at your local Apple retailer, too.
Apple Store Customer Service at 1-800-676-2775 or visit online Help for more information.
To contact product and tech support visit online support site.

My HDD, recovery disk and OSX all of them deleted, how can i reinstall OSX?

I tried to reinstall OSX but it didn't work. I saw the warning: This partition cannot be startup disk. I tried to repair partition but i get this:
This disk doesn't contain an EFI system partition. I deleted everyrhing and i installed windows 7 with bootable dvd. Now I want to reinstall OSX. How can i do it?
I need help!
Please!

You might want to consider starting a new discussion. Since this one is marked solved, less people are likely to look at it. You can link to this one.
Do a backup. Boot the Recovery Partition (command - R on a restart) and run Disk Utility. In the first Aid tab, select the top level hard drive and see if GUID is shown (see below). Run Disk Utility Verify/Repair and Repair Permissions until you get no errors. Then re-install the OS.

Grey Screen, won't boot from usb. Only have a PC to create a boot USB. How can I reinstall OSX with a .dmg file?

I recently recieved a macbook that I was told was broken. She didn't know what was wrong with it, but she told me I could keep it if I wanted to get it working again. Its http://support.apple.com/kb/sp579 this model. I got the laptop to power on, but the apple logo and the spinning wheel under it kept spinning forever. So with me and my "Amazing" knowledge of Macs, I thought it would be best to reformat the drive on my PC via sata cable to FAT32 (which I was told is a format that mac devices can read/write on) and install OSX from usb. So I have a .dmg file and used TransMac to format the usb and make the usb drive bootable with the .dmg.
I formatted the drive to FAT32 and plugged it into my macbook and I get a folder and a question mark blinking on the screen. After looking at some forums online, I found that the error occurs when you don't have the correct filesystem to boot or something along those lines. So I try rebooting the computer while holding C, to boot from an external device (such as USB). Nothing. Again the folder and question mark blink on the screen. I look at some other boot option keys and try all of them. Shift for recovery mode, D for apple hardware test, Control, option, P, and R for resetting NVRAM and PRAM. Everything! The only things that differ slightly are when I press Option for startup manager, N for NetBoot and Option+N for internet default boot image. When I press N and Option+N, I get a blinking globe for about 5-10 seconds and then the folder and ? blink again. When I hold Option for the startup manager, I get a white screen and my curser, which I can move around the screen, but there is nothing to click on, its just white.
Currently I have a USB flash drive plugged into the macbook with a .dmg OSX installer on it via TransMac and for some reason, my macbook doesn't want to try to load it. Either I have the wrong file format for the installer, or my macbook is having problems. I read that the hard drive may be the problem, except I can use it on my PC so I know that it works fine.
If anyone has any information about how to fix this, or any ideas. Please let me know! I would very much like to get this macbook going again.

The correct format for Mac OS X is not FAT-32.
As the computer shipped with an install-restore disc DVD set that could be used to start the computer as an emergency disc and use the Utilities on the Installer, without running the Installer itself, to format, attempt repair, and perform a few different system installs or reinstalls, this is where the correct format would come from.
Was there documentation to confirm the build year and model information, such as to refer you to the product page link you posted above?
If accurate, that MacBook shipped with this custom grey
install-restore DVD version of Snow Leopard:
Original OS
Mac OS X 10.6.1 (10A2047)
Maximum OS
Latest release of OS X
AirDrop
Supported
Hardware Test
AHT 3A181
And to be able to restore the basic OS X to that level, official replacement discs for that computer should be ordered from AppleCare; to facilitiate obtaining correct ones, you should find the product serial number. There likely would be a fee involved. The replacement disc set may have a different number than the one in the information box above, but would match the hardware series by Apple standards. And a replacement disc may not have the original extra applications that shipped with the computer when new. Those original discs are part of the retail computer, an essential part number, like the power adapter, and should be included with the computer even after an OS X upgrade, since they allow basic access without using the internet.
The remainder of the Snow Leopard 10.6(.8) would be a download Software Update Combo v 10.6.8, either direct from Apple servers or through the computer's running Software Update. Once the computer is up to date in Snow Leopard, 10.6.8, then one could visit the Mac App Store, App Store, and iTunes Store; from the Mac App Store, and you could check/get the latest upgrade to Mac OS X, 10.9.2. An Apple ID is required to access.
The computer may not support Mavericks 10.9.2, or may be able to, but could use an upgrade of RAM capacity.
If your model and build year series info is correct:
Maximum Memory
8.0 GB (Actual) 4.0 GB (Apple)
Memory Slots
2 - 204-pin PC3-8500 (1066MHz) DDR3 SO-DIMM
For more information see the database download http://mactracker.ca
and also compare specs with macbook models at everymac.com.
The newer OS X systems that can use a Recovery HD partition on the hard disk drive, can start from there to repair their hard disk drive, and reformat the section where the Mac OS X runs, and reinstall that. Since there is no likelihood of that still being on the drive once it was FAT-32 reformatted, it will not be present to assist in attempts to reformat the drive; if the computer had been upgraded past Snow Leopard 10.6, to a later system that would have used the recovery partition, or the later internet recovery system. That goes to Apple Servers to use OS X Utilities and reinstall the system, helpful for computers without optical drives or system media. Your MacBook with 10.6.8 installed, then had to access the Mac App Store, to get 10.7.5, 10.8.5, or 10.9.x
Identify your Mac lookup by model number or serial number:
https://www.powerbookmedic.com/identify-mac-serial.php
Anyway, the hardware in the computer may need some inspection, troubleshooting, and maybe repair; but the original DVD install-restore disc has an Apple Hardware Test on it, for that series build model macbook. That could help in troubleshooting some aspects of the computer. Could be the hard disk drive failed; or if someone tried to upgrade the RAM, the system may not have worked correctly. Hard to say how it was messed up, at this stage. There are several possible causes.
Hopefully you can get the correct disc set from AppleCare.
You can call Support number, or use Contact Support page.
Good luck & happy computing!

HT1338 I failed to re-install Mac OSX after I removed it while removing my personal info. I forgot my Apple ID & password at the time. I have now recovered them with my windows type spare computer. How can I reinstall OSX on my MacBook Air?

I failed to re-install the OSX on my MacBook Air after erasing my personal information in preparation to sell the computer. Reason: I forgot my Apple ID and password. I have recovered my ID and password on my wondows computer. There is no software on my MacBook Air right now. How do I re-install OSX?

Install Mavericks, Lion/Mountain Lion Using Internet Recovery
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 newly installed 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. Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks 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.
This will install the OS originally installed on your computer. If you plan to sell or give away the computer, then do not upgrade it or the purchaser will not be able to use it.

How do i reinstall Osx on a used macbook if i've never purchased osx through the app store before?

I recently bought a macbook off of craiglist. I wanted to erase the pervious user's data off of the machine. I followed steps from apple support and i eventually erased the startup disk and put one of my own in place. As I now know i went have to reinstall OS X. When i type in my apple id it tells me that i have never purchased OS X through the Itunes store. Is there any way around this? A computer I just paid 550$ wont start and i cant get in contact with the pervious owner. Any suggestions? I would just take it to the nearest Apple store but that is unfortunately 70 miles away. Any suggestions will help thank you

The OS 10.6 Snow Leopard install DVD is available for $19.99 from the Apple Store:
http://store.apple.com/us/product/MC573/mac-os-x-106-snow-leopard
and in the UK:
http://store.apple.com/uk/product/MC573/mac-os-x-106-snow-leopard
When you have installed it, run Software Update to download and install the latest updates for Snow Leopard to bring it up to 10.6.8, or download the combo update from here:
http://support.apple.com/kb/DL1399
Check via Software Update whether any further updates are required, particularly to iTunes.
You should now see the App Store icon in iTunes, and you now need to set up your account:
http://support.apple.com/kb/HT4479
You can now upgrade to Mavericks OS 10.9 for free IF you have one of the following Macs, with not less than 2GB of RAM, and at least 8GB of available space on your hard drive:
iMac (Mid-2007 or later)
MacBook (13-inch Aluminum, Late 2008), (13-inch, Early 2009 or later)
MacBook Pro (13-inch, Mid-2009 or later), (15-inch, Mid/Late 2007 or later), (17-inch, Late 2007 or later)
MacBook Air (Late 2008 or later)
Mac Mini (Early 2009 or later)
Mac Pro (Early 2008 or later)
Xserve (Early 2009)
iCloud system requirements:
http://support.apple.com/kb/ht4759
If you cannot run Mavericks you can purchase the code to use to download Lion from the App Store (Lion requires an Intel-based Mac with a Core 2 Duo, i3, i5, i7 or Xeon processor and 2GB of RAM, running the latest version of Snow Leopard):
http://store.apple.com/us/product/D6106Z/A/os-x-lion
or Mountain Lion:
http://store.apple.com/us/product/D6377Z/A/os-x-mountain-lion

How Can I Reinstall OSX Without Messing Up Bootcamp?

I have my iMac harddrive partitioned with a Windows and Mountain Lion drive, and the M.L partition has begun to slow down and it's also got quite cluttered and so I want to do a fresh install. How do I do this without messing up the Windows drive because last time i tried to do it I could not boot into the Windows drive afterwards and had to reformat the drive.
I have the Mountain Lion installer on a thumb drive.
Thanks.

cool, i'll use buy it then)
so basically:
1. create new partition from macosx
2. install boot runner
3. reboot
3. launch linux cd
4. when installing linux should be no problem creating swap partition and others coz linux rock

How I can reinstall OSX 10.8 with applications only? i.e No system preferences and library files from time machine

Hi there,
I would like to clean install mac os x, but I want to keep all my applications (such as photos and music from itunes etc) from a time machine backup. I am having some issues with my widgets and sleep mode, of which I have searched high and low for answers. My only resolve now is the re-install mac os, but Im afraid 4 years of use have resulted in a mess in terms of prefrence lists and everything. Is it possible to exclude the library from time machine and then reinstall mac os, with a new library, but keeping all my apps, so that in effect, it runs like new, but with all my apps?
Any help is much appreciated.

You can exclude the Library if you don't transfer your user files, so copy your user files manually to another external disk if you don't want to lose them. You can keep your applications without any problem
To restore the Time Machine backup, follow these steps:
1. Press Command and R keys while your Mac is starting, and open Disk Utility.
2. Select Macintosh HD on the sidebar, go to Erase tab and erase the disk.
3. Close Disk Utility, select the option to restore a Time Machine backup and follow the steps. When it asks you for what you want to restore, select only your applications. After restoring the backup, copy your user files back to the hard drive

How do I reinstall osx on a new hd? I am installing Lepord (not snow Lepord)

I just repalced the HD in a ppc IMac Could some one please tell me the steps to perform to load the os?
Thank you

Place dvd in drive. You may have to power on machine to do this. Power off.
The startup manager will list all of your bootable partitions then give you a choice of which to boot. Hold down the option key then power on. Continue holding down the option key until you see the startup manager. This brings up the startup manager. Click on your hd or disc. Click on right arrow key.
This will boot startup disc. Select language.
The resulting screen should lead you along.
Format a disk
Not sure if the OS asks you to format the disk or not. You need to format the disk. Look for disk untility under tools.
Start up disk utility.
On the left pane view, you will see a list of all your disks. Click on the disk.
Click on the partition tab.
You will now see how your disk is currently set up. Fill in the information as appropriate. You should pick Mac OS Extended (Journaled).
Click on Options...
Select Apple Partition Map to boot a PPC.
More details on formatting.
http://www.kenstone.net/fcp_homepage/partitioning_tiger.html

Macbook air reinstall osx

hello
how can i reinstall osx on mba20012?
Thank you

follow these simple steps
http://support.apple.com/kb/PH11273

I just bought a used computer with OSX 10.8 and want to reinstall OSX 10.6.3 Snow Leopard . . . How can I do this?

I just bought a used computer with OSX 10.8 and want to reinstall OSX 10.6.3 Snow Leopard . . . How can I do this?

Alfi94965 wrote:
I just bought a used computer with OSX 10.8 and want to reinstall OSX 10.6.3 Snow Leopard
First off you need to know the model identifier of the machine, not all Mac's can be reverted to Snow Leopard and not all Mac's can use the 10.6.3 Retail disk!
To find the model identifier, boot the machine up and hold the command key and the spacebar, Spotlight appears at the top right corner and type in System Profiler and press Enter/Return.
The model identifier should be something like "MacBook Pro 9,2" or something of that nature.
You also can hold D while the computer is booting on/near a Internet connection for a long time and this loads Hardware Test, which one of the panes will give the required information.
Next you download MacTracker here and look up your machine and it's original operating system.
(Don't click the AppStore version obviously)
http://mactracker.ca/
You may have to right or control click on the program to bypass Apple's Gatekeeper and run the program.
If you have the model identifier and the machine won't boot, then just ask here and we can tell you the information
Now all Intel Mac's issued before July 2011 can install Snow Leopard, but the Mac's released after July 2011 came with OS X 10.7 Lion and the firmware won't boot off the Snow Leopard disk. (however 10.6 can be shoehorned on using Firewire Target Disk Mode and another Mac for some models after July 2011)
Also the 10.6.3 Snow Leopard Retail Disk sold at Apple only works on Mac's that came with 10.4-10.6.2 from the factory.
Any Mac's that originally came with 10.6.3-10.6.8 from the factory need model specific disks from Apple directly, not sold at their online store, you will have to call them with your Mac's serial number and order these disks.
If you get the right disk and have the right machine, then you should be able to insert the disk and hold c down or the option/alt key and boot from the 10.6 disk.
Follow these directions and make sure to erase the ENTIRE DRIVE first in Disk Utility or you will have issues later trying to fix it from the disk.
How to erase and install Snow Leopard 10.6

How do i reinstall Safari for mac osx 10.7.2?

I updated my Safari from 5.1.3 (I believe) to the latest Safari 7 (I believe). When I tried to open it, it said I needed to update my osx, which I don't want to do. Now I can't seem to go back to the Safari I had. I've tried installing version 5.1.1, but it says I need to have mac osx 10.6. My osx version is 10.7.2 and don't want to upgrade yet, but how do I get Safari back, and which version of Safari works in osx 10.7.2?
What happened is not fair because when I was installing the new version of Safari, there was no warning about which osx I needed. Only after it replaced the old version did it say that I can't use it with my current osx. Is that Apple's way to force you to upgrade to the latest osx? Not fair! How can I reinstall Safari now?

On a Mac running v10.7.2, the only way to reinstall Safari is to reinstall OS X using OS X Recovery.
Safari 5.1.1 is for Snow Leopard. It will not run on a Mac with v10.7 installed.

I can no longer open iphoto. It says it is damaged. How do i reinstall iphoto?

I can no longer open iphoto. It says it is damaged. How do I reinstall iphoto?

To re-install iPhoto
1. Put the iPhoto.app in the trash (Drag it from your Applications Folder to the trash)
2a: On 10.5: Go to HD/Library/Receipts and remove any pkg file there with iPhoto in the name.
2b: On 10.6: Those receipts may be found as follows: In the Finder use the Go menu and select Go To Folder. In the resulting window type
/var/db/receipts/
2c: on 10.7 they're at
/private/var/db/receipts
A Finder Window will open at that location and you can remove the iPhoto pkg files.
3. Re-install.
If you purchased an iLife Disk, then iPhoto is on it.
If iPhoto was installed on your Mac when you go it then it’s on the System Restore disks that came with your Mac. Insert the first one and opt to ‘Install Bundled Applications Only.
If you purchased it on the App Store or have a Recent Mac you can find it in your Purchases List.

How do I reinstall an older version of the software on my IPod touch? Installed the latest update and now it no longer works in my car

How do I reinstall an older version of the software on my IPod touch? Installed the latest update and now it no longer works in my car.

I'm sorry, but Apple does not provide a downgrade path for iOS. Because downgrading is unsupported by Apple we cannot discuss it on these forums.
You may leave comments at Apple Feedback.

How long to reinstall OSX?

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