the process of reinstalling OS X

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El Capitan gives me a kernel panic error right after installing

Almost immediately after the installation reboot, and seconds after the apple logo appears the following error shows up; panic(cpu 0 caller 0xffffff8017d263a6) : "zone_init;kmem_suballoc ...
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1answer
792 views

How to connect Wireless Keyboard when new hdd on imac 27

I have an iMac 27 emc 2390, i just had a hdd failure, so i bought a new hdd, plug it in and then start my imac with the instal dvd in. The point is that my keyboard isn't recognize so i can't boot on ...
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1answer
97 views

How to clean install and only re-install old applications/files as you need them?

I have Gooogled this for a couple of months now casually but have never gotten a guide that seems suited to me. I am running Snow Leopard. It's really starting to get slow. Basically, most guides on ...
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228 views

MacBook erased by thieves but still shows on FMM

My MacBook Pro was stolen yesterday and I received an email that it was being erased. FMM now shows it was locked. It went online twice and I was able to see the approximative address. I wasn’t able ...
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88 views

New disk on MacBook, how can I install OS X

I recently change my hard disk for ssd on my Macbook 7.1. My old hard disk doesn't work, I don't have access to anything. How Can I install now OS X El Capitan? At the moment I don't have access to ...
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94 views

MacBook Pro won't boot

I have a Macbook Pro 8.2, Intel i7, 4 GB of RAM and 500 GB HDD. While working with some apps open in background, the screen suddenly went blank and music looped. In panic I pushed the power button to ...
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299 views

Download 'El Capitan', 'Mavericks' or 'Yosemite' from external link

The HDD of my MacBook Pro (2012) dies and I bought a new one. The problem is that I don't have another Mac to download the OS from Apple Store... Someone know from where can I download the OS El ...
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27 views

OS X installation duration?

I bought a 2012 Macbook Pro and wanted a fresh install, So I booted while holding Command + R and did a fresh install after clearing the HDD via the setup. After the install I gave my credentials. Now ...
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34 views

I am trying to erase and reformat drive with snow leopard, but don't have the install DVD

I have a 2009 MacBook Pro running Snow Leopard, and I'm selling it to someone. Want to erase and reformat the drive but I don't have the Snow Leopard Install DVD. Is there any way to do this?
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79 views

OSX install DVD showing up as EFI boot on start up

My brother's Mac Pro somehow has all of its utilities missing. Its guts have been taken out. I don't know how this happened, but I'm trying to fix that by creating a Lion DVD or bootable USB. I ...
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97 views

Help with clean install

I'm now having major problems with my iMac. I had a massive software failure running Mavericks, it damamged the OS and I lost the recovery partition, I then wiped the hard drive clean and tried to ...
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35 views

Weird Boot on iMac

Help would be really appreciated on this one! My Dads iMac won't boot. When it's turned on (running Yosemite) it gets stuck in the boot process and looks like this: http://i.imgur.com/zosCkwx.jpg ...
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43 views

Does Apple distribute Yosemite with DHT?

When I last installed Yosemite I watched at the logfile and it displayed messages like The resource <xxx.dmg> at distance 5 The resource <yyy.dmg> at distance 25 What does this distance ...
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477 views

Macbook Pro formatted with windows, now can't install OS X or Windows!

I formatted my MacBook Pro Mid 2010 with Windows, now I can't install any operating systems on it. I tried to install Windows 8.1 on my MacBook, then at the final step I received a message saying ...
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85 views

Errors restoring OSX Lion on a macbook

My sister has a late 2007 MacBook running OSX 10.7 Lion. She's managed to acquire quite the collection of adware, so reinstalling the OS seems like the easiest recourse. However, when I boot into ...
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81 views

Error during install Leopard on iBook G4, now can't mount drive

I have an iBook G4 that was running 10.3.9 and I was attempting to install 10.5 via Firewire transfer as the optical drive is not working. During the install, the power lead failed and the laptop ...
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150 views

Buy SSD With OS X 10.9 Pre-Installed?

Is it a reasonable ask to have my local hardware store pre image Mavericks onto the new 2.5 laptop SSD, or does OS X have a bunch of setup configs it has to run? I intend to do the hardware install ...
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163 views

How to download Mountain Lion installer after changing a store?

I'm going to upgrade my machine with ssd drive, so I want to make a clean install. I was told that I can redownload the installer via Mac App Store, but the problem is that I used the store of other ...
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22 views

Can't boot, can't do a recovery, can't reinstall

I try to start in single-user mode and I get about 7 lines of text and 3 lines of dots. It says: Efiboot loaded from device: (then a long alphanumeric number) Boot file path: ...
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10 views

OS X installation with Netinstall

I'm installing OS X using Netinstall which boots the image from an OS X Server on the network.The installation is successful and reaches the choose your location screen but my requirement is to have ...
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24 views

Install Mavericks on Mac Mini with a completly formatted hard disk

I have an older Mac Mini with Snow Leopard installed on it. When I was upgrading to Mavericks, the installation was stuck and the MacMini didn't start any more. I didn't know about Recovery etc. So ...
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39 views

Downloading additional components on OS X Yosemite fails at 345 chunk or so

I have a MacBook Air 2015 edition and I tried to perform a reinstall on it. But after spending a lot of time simple getting to the internet recovery option, I was finally able to get to the ...
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66 views

Can't reinstall OS X 10.9.5 Mavericks

I updated a 2009 MacBook to OS X 10.9.5. It was running a version of 10.9, but I don't recall which one. After the update, commands like ls went missing. I tried a Repair Permissions via Disk Utility, ...
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64 views

What should I do if Macbook Pro can't detect bootable USB to install OS X Yosemite?

So I got a 2010 Macbook Pro yesterday from my friend (for a very low price). I wanted to have a system restore so I searched if I could do that. According to the instructions I got from a lot of ...
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86 views

Mac OS X El Capitan installation problem

I have an iMac early 2008. I previously had Mavericks running on it and decided to try installing El Capitan, but wanted to try it on another partition first, so I made myself a partition of 40GB. I ...
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66 views

What files/folders should I restore after a clean install to get core Apple apps (Mail etc) back to their previous state?

I'm about to embark on a clean install of Mavericks. This is the first clean install I've done in years, and OSX has undergone quite a few evolutions in that time, so I want to check a few things ...
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131 views

Cannot reinstall yosemite - “OS X Yosemite failed to download Use the Purchases page to try again.”

i had Yosemite version installed on my laptop macbook 13" i3 500gb pro and the system is too slow. Whenever I started my session, the system blocked when trying to open any program and I could not do ...
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65 views

Can't format new SSHD?

I just got a new SSHD, but when I tried to put it in my early 2011 13" MBP and format it from a bootable drive, Disk Utility kept giving me the error message: could not mount disk0s2 with name (null) ...
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590 views

How to re-install OS X from single-user mode

So, this mac had some graphics card drivers that were potentially corrupt. After moving them out of the drivers folder, I'm able to boot in normally. However recovery boot isn't working, I can't get ...
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46 views

Mac OSX restore

I'm busy restoring my Mac, held down CMD and R, loaded disk utility to erase my disk and I noticed all those volumes mounted on the left. What are these, are they important? (See picture)
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79 views

Upgrade MacBook Pro Mid 2012 stuck on grey Apple Logo

I wanted to upgrade my MacBook Pro Mid 2012 with a clean Mac OS X Snow Leopard install. I bought 2x8GB RAM and a Samsung SSD (500GB) and replaced the RAM and SSD. I put the orginal DVD in the drive ...
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230 views

MacBook Pro won't boot to OS X after Internet Recovery

Someone gave me a MacBook Pro 13″ A1278 2010 model. They took the hard drive and the screen was totally trashed. I managed to order a new screen from China this other day, however I connect it to a ...
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250 views

NetInstall - nothing happens after a flashing globe and the system boots locally

I've created a system image using the System Image Utility. The image should install a pkg, a policy file, and run one sh script, as well as binding to our LDAP directory. I'm serving the image from ...
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178 views

Reinstalling Yosemite on my Mac Mini

So, I've bought an used late 2012 mac mini. It came with the original 500gb mechanical drive and an aftermarket samsung 840 evo, 250gb. Yosemite was installed, and the drives seen as fusion drive. ...
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25 views

Downgrade, can not reinstall

I completely erased my internal HD in order to downgrade OS. Now, I boot from CD (to reinstall Snow Leopard) and I get the message "Mac OS X can not be installed in his computer". Any suggestions?
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103 views

Install Yosemite from scratch on SSD/HDD mini

I just bought a late 2012 Mini on Ebay. It comes with a mechanical HDD and with an aftermarket SSD installed. Yosemite is present but was installed seeing the two drives as a single fusion drive. Now ...
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565 views

Getting past OS X 10.8 Mountain Lion to reinstall Yosemite 10.10

I got Yosemite 10.10, now I want to use reinstall option from recovery menu. I hold cmd+r and see this screen: I pick Disk Utility to check if I have disk Then I close Disk Utility and open ...
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21 views

Mac book won't run osx

I use Yosemite and after I hard restart it I can boot back again, so after select user and enter password in 1 min mac shows me gray locked screen. I don't care about osx, but I need to copied my ...
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53 views

I have a MacBookPro8,2 (i7) that does not have an OS on startup

It shows a round icon with a slash in the middle much like in "no smoking" signs.. And when i did CMD + R and opened disk utility, the original hard drive doesn't appear on the left column. I don't ...
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24 views

Adding OSX to Ubuntu

I have recently installed Ubuntu 14.04 on my 2007 Macbook. However, I want both OSX and Ubuntu. I have the .iso for OSX Lion, how do I make it so that I can dual boot from either OS?
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55 views

Dying iMac drive, emergency repair assistance

I have a older 27" iMac ( 2011 ) and the hard drive is on its way out in a serious manner, ( smart status failing, io error every few seconds in much kernel log , speed of io is the worst I have ever ...
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732 views

macbook startup error stop sign appears after long shutdown

I have a MacBook Pro A1286. Recently I reinstalled operating system to OS X Lion (10.7)/ After that I started getting stop error on start up: Usually the error appears after a long shutdown. (I ...
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716 views

How to disable OS X installer on boot?

TL;DR Have a MacBook Pro with (probably) bad GPU. Tried to install Yosemite OS X - after reboot, it hangs up on grey screen. Is there a way to disable Yosemite OS X (or any other) installer on boot ...
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287 views

How to unlock disk after unsuccessful upgrade?

I tried to upgrade to OSX Yosemite on my MacBook Pro. I had only 4GB of free disk space. Everything went fine until it said only a minute remaining. This was on for 8 hours. Eventually I restarted the ...
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288 views

MacBook Pro failure to reinstall OS X Mavericks

I've bought a late-2008 MacBook Pro 15". On startup, it takes me straight to the OS X Utilies menu. When I try to reinstall OS X I eventually get an error telling me that 'installation information ...
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2k views

Mavericks - Restore Damaged Recovery HD Partition without Reinstalling OS X

Recently, I tried to boot into the Recovery HD partition in order to perform some basic verify/repair operations using Disk Utility, only to find that my Recovery HD partition will not boot. Instead, ...
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166 views

How do I download Mountain Lion on a mac that does not support Mountain Lion?

My own Mac crashed while downloading Mountain Lion and does not boot anymore. Now I want to download Mountain Lion on another Mac, that only runs OS X Lion - and does not support Mountain Lion. My ...
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116 views

Reinstall MacBook's OS X

I have a bit of a problem with MacBook Pro. Currently it's running Mac OS X 10.8.3, but I want to install from DVD Mac OS X 10.5.2, which is for this MacBook Pro and was reinstalled few months back. ...
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105 views

Buy OS X Lion on AppStore but install from previous download with other Apple ID

I have OS X installed at home and I am therefore able to re-download it from the app store and to copy the installer on an USB drive. My parents have a very bad internet connection and I would like ...
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520 views

Restoring 'User Guides And Information' folder on a Mac preinstalled with Lion or higher

When you buy a new Mac you get a digital copy of all important information relating to your hardware. These are located in the 'User Guides And Information' folder on your hard drive, or more ...