the process of reinstalling OS X

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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 ...
3
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1answer
286 views

When can I remove the El Capitan install drive?

I have installed 10.11 from a USB drive, it has run as expected and I am now at the "Create account" screen (input name+username). I will now turn the computer over to the person who will do the ...
0
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1answer
50 views

All images offline after clean install

I upgraded to OS X El Capitan via a clean install. While erasing the disk, I renamed it from Macintosh HD to Hard Drive. After installation, I copied all data from an external hard drive back into its ...
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1answer
363 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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1answer
2k views

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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0answers
103 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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1answer
107 views

How do I boot from DVD to do clean install of Snow Leopard on iMac4,1?

I have an iMac4,1 (20" Intel Core Duo 2.0) -- stock except an authorized Apple Repair place upgraded the HD to 1TB for me a couple years ago. It's been acting strange for a while, log in, use it for ...
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1answer
35 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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1answer
41 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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1answer
120 views

How to install OS X on a Windows only Mac? [duplicate]

I tried to use Boot Camp Assistant to install Windows on my MacBook Air. Long story short, due to installation issues, I wiped my MacBook Air drive. I couldn't get my Mac to recognise a bootable disc ...
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1answer
151 views

Configure Time Machine after reinstalling Mac OS to take previous backups into account

I have reinstalled my Mac OS (10.9) and had to specify again my external hard drive for backups in Time Machine preferences. Now i can enter Time Machine and see my previous backups. However, Time ...
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1answer
123 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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2answers
759 views

Can I download Mac OS X for a used MacBook Pro?

I want to by a used MacBook Pro i5 Mid 2010 edition, but there is no system DVD. The previous owner's stuff is on the hard drive, and I want to wipe it clean with a new OS. Can I boot into existing ...
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1answer
1k views

I think I accidentally erased Macintosh HD?

I was trying to install OS X on my Mac that had OS X removed. I wrongly erased Macintosh HD and it changed to "Untitled". After that I restarted my Mac and it just shows an image of "?" in a folder. ...
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2answers
469 views

Clean Install, or in-place upgrade from Mountain Lion to Yosemite?

In the old days, doing a clean install was pretty much required for a major Mac OS X 10.x release. Is that still the case? Or should this graybeard let go of his old ways? The MacBook in question ...
3
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1answer
247 views

How to remove OS X Installer for 10.10. to get back to 10.7, the originally installed OS?

I ran OS X 10.7 latest version on my MacBookPro 2011. Then I installed on an external USB stick 10.10.3 from my running system OS X 10.7. The installation on the stick was successful. After ...
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1answer
522 views

Finding lost partitions

I am resetting my sister's MBP late 2010 to factory defaults. It's all backed up. I'm reinstalling from the recovery partition currently. Before I started working on it today, it had the very ...
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1answer
41 views

Having problems with Mail and a few other programs freezing

I have a brand new macbook. I don't really know a ton about macs...I'm newly switched from a life of windows pc's. I keep reading about how you can unintall and then reinstall your OS. I can't get ...
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1answer
94 views

Yosemite on SSD boots from USB but not when the SSD is installed internally

In another thread I have explained the issues I have with a clean install of OS X on a SSD. Now the situation is: Yosemite installed on SSD. Boots from SSD attached via USB . Does not boot from SSD ...
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0answers
1k 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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0answers
58 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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0answers
107 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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1answer
116 views

GarageBand, iPhoto re-install?

I had to have my 2011 MacBook Pro wiped out and re-installed because of malware. I noticed that my previous package--iMovie, GarageBand, and iPhoto--is not longer installed. I checked online forums ...
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3answers
75 views

How can I script the setup of preferences in Mac OS X?

I have a couple of Macs and I would like to create some kind of script that I can use to: Easily setup a new Mac after a reinstall Update settings to consistent values (so if I decide to change some ...
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1answer
164 views

Do I need the DVD to reformat 2011 MacBook Pro with OS X Yosemite

I have a MacBook Pro from early 2011 which was shipped to me with a DVD that I could use to reformat the machine, which I do not have with me at the moment. I have upgraded to OS X Yosemite though, ...
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0answers
256 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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5answers
6k views

How to install Mac OS X without OS X Recovery or the DVD that came with the Mac?

I'm having an issue installing Mac OS X on my MacBook Pro, here is what I have: MacBook Pro "Core i7" 2.66 15" Mid-2010. Mac OS X install DVD that is not for the above model I don't have the one it ...
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1answer
242 views

MacBook Pro (Mid 12, 13“) not booting OS X Yosemite - ”No sign" on boot

My MacBook Pro Mid 2012, 13" currently works with a HDD (on newest OSX). Now I connected a brand new (completely tested) SSD (Transcend SSD370S 256GB) to the HDD Strip inside the macbook. I've made a ...
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1answer
816 views

Download OS X from Windows to install on Mac from USB

Trying to install Windows along with OS X I ended up erasing all the data on my MacBook Air. Right now I have one empty parition, so, I tried to install from internet - pressing Control + Option + R ...
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0answers
309 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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0answers
38 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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2answers
225 views

Remove everything from Mac and reinstall OS X

Is it possible to delete everything from my Mac and then install OS X from a bootable USB? I don't why but somehow AudioAUUC extension was modified a few months ago and my sound isn't working since ...
2
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1answer
465 views

Late 2011 MacBook Pro Cannot Install OS X

I have a late 2011 MacBook Pro (MD322LL/A) given to me by a friend. The hard drive was removed, so I put in a new one and have been trying to install OS X Yosemite. However, whenever I boot the ...
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2answers
2k views

Do I need to reinstall OS X after accidentally removing Python?

I managed to delete my python in usr/bin by foolishly doing sudo rm /usr/bin/python and now it seems like I need to reinstall my OS. First off is this necessary? And secondly is there an easy way to ...
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4answers
1k views

Pros and cons of wiping a new Mac?

Coming from the PC world, most made-to-order manufacturers (e.g., Dell, HP, Acer, etc.) all have annoying little addons which I consider spyware/bloatware--things like toolbars with ads. When buying ...
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5answers
2k views

Installation of Yosemite is interrupted by a white screen at ⅓ of progress bar

The loading of the installation from a Yosemite USB installer drive is interrupted by a blank screen about ⅓ into the progress bar. The same USB drive works on another (older) MacBook Pro. The ...
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0answers
196 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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0answers
28 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?
1
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1answer
43 views

Questions regarding disk format

I'm doing a fresh install of Yosemite on my mac, but stopped at format step: I noticed various options: plain format encrypted case sensitive So, I'd like to know: Is it possible to install ...
0
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0answers
109 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 ...
0
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1answer
128 views

Can wiping and reinstalling OS damage the SSD?

Computer is new 13" retina MBP. 2.9GHz i5, 16GB RAM, 256GB SSD. I have been working on some dotfile setup scripts for my new computer and thought I had them dialed in, but did not really work how I ...
0
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1answer
106 views

Install OS X 10.8 from bootable USB on empty Mac HDD

I have a bootable USB for 10.8, but my Mac's HDD is completely empty. How do I install this OS to my Mac?
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0answers
610 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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0answers
22 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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1answer
85 views

How to install OS X again with no access to a recovery partition?

I have a Mac running Fedora with no recovery partition and no access to any computer with Mac OS X. How can I reinstall OS X on this computer?
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2answers
566 views

Installing Snow Leopard or Leopard on an early 2009 MacBook

Recently, my sister picked up an Early-2009 MacBook at a Flea Market. Everything worked fine, but it had belonged to a school, and it had DeepFreeze installed on it, and it really bothered her. She ...
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1answer
482 views

MacBook Pro doesn't recognize internal SSD

A week ago I inserted a USB cable into my MacBook Pro (late 2013) which resulted in the laptop immediately shutting down. After a lot of searching how to boot it up again I had to reset the SMC. After ...
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2answers
1k views

Can iMac 5 (Retina 5k, 27-inch, Late 2014) be downgraded if it comes factory-installed with Yosemite?

Has anyone downgraded an iMac 5 (Retina 5k, 27-inch, Late 2014) pre-installed with Yosemite to an older version of Mac OS? My Pro Tools 10 does´t work with Yosemite. I have two days to resolve this, ...
2
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1answer
64 views

Can I use a large external hard drive both as installation media and backup drive?

I am planning to upgrade my Mid 2010 13" Macbook Pro to Yosemite from Snow Leopard, on a new SSD hard drive. Being more experienced now with UNIX/Mac, I want to have a clean install to get rid of the ...
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2answers
44 views

Does A New Installation Contain Personal Information?

I am going to sell my MacBook Air when the new MacBook comes out and so I want to make sure there is no personal Information available to the next user. I am going to wipe my SSD and reinstall the OS ...