the process of reinstalling OS X

learn more… | top users | synonyms

0
votes
2answers
29 views

Unable to unmount disk

I have received an old MacBook from my Dad and he had wiped it clean, but I don't think he's done it correctly. I am having issues with unmounting and re-installing Lion OS X back on, which it came ...
2
votes
1answer
32 views

Reinstalling OSX is blocked with unreviewed Apple ID

I got a couple-of-years-old MacBook Pro with OSX Lion, and I attempted to format it. I erased the installed drive using Disk Utilities and then chose to reinstall OSX. Unfortunately, in order to ...
3
votes
2answers
5k views

Can't download Mavericks - I got a Mountain Lion CD, what to do?

This is the most silly question I'll ever ask, and I'm sorry for this. But doing the following: Step 1: https://itunes.apple.com/en/app/os-x-mavericks/id675248567 Step 2: ...
1
vote
4answers
8k views

Reinstall OS X Lion on Macbook Air 2012

I have a MacBook Air (11-inch, Mid 2012) MD223LL/A MBAIR 11.6/1.7/4/64FLASH running OS X 10.7.5. It shipped with Lion. I want to reinstall the OS on the laptop without an internet connection. Is this ...
3
votes
5answers
11k views

How to extract InstallESD.dmg from my iMac Recovery Partition?

I'm trying to extract the InstallESD.dmg image so that I can create a USB key any time I want to in the future, to recover/boot my 2011 iMac. I would think this would be no problem at all, since the ...
1
vote
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 ...
1
vote
2answers
2k views

Reinstalling OS X Lion after erasing the HD

A friend of mine recently bought a used Macbook (I believe it's the model before the last Macbook model from 2011). It had OSX Lion installed. I rebooted the system, held down Command + R and used ...
0
votes
0answers
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: ...
0
votes
0answers
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 ...
5
votes
3answers
2k views

Is it possible to install flash firmware update without having access to OSX?

So I erased my HD and wanted to install Mac OSX Mavericks on my MacBook Air mid 2012 model and after I booted from the USB and was about to install Mavericks the damn thing tells me it can't do so ...
0
votes
0answers
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 ...
2
votes
1answer
7k views

Macintosh HD not showing up on disc utility

I am trying to do a clean install on my Macbook Pro 13" from 2011. Here is what I did so far: 1) Booted up on my USB Stick with Mountain Lion Installer mounted on it 2) Opened up Disc Utility and ...
12
votes
3answers
26k views

Reinstall Mac OS X Mountain Lion before selling a Mac

I want to sell my laptop (Macbook Pro late 2011). I have erased my disk drive but it seems that I cannot reinstall Mac OS without an Apple ID. At the origin my mac was shipped with Lion, I have ...
0
votes
0answers
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 ...
0
votes
0answers
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, ...
1
vote
4answers
2k views

This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading

Macbook Pro 13" 2015 with OS X Yosemite on board. I've been trying to install OS X El Capitan, but always get the following message: "This copy of the Install OS X El Capitan application can't be ...
1
vote
1answer
149 views

iWork and iLife are not free after reinstall

I recently bought a Macbook Pro 13" Early-2015 from a guy who used it only once and then reinstalled it for selling (already upgraded to the latest El-Capitan). After I set up my Apple ID I couldn't ...
2
votes
5answers
1k 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 ...
0
votes
1answer
91 views

What happens after OS X Internet Recovery without erasing disk

I want to reinstall OS X Yosemite in my MacBook Pro 2015 without erasing the disk. What will I need to reinstall after the process is done? What files are not removed from my hard drive? What files ...
2
votes
3answers
3k views

The OS X upgrade couldn't be started because the disk is damaged and can't be repaired

My relative was attempting to upgrade her Macbook Pro and it failed. Everytime the laptop boots up, it brings up OS X Installer. The Installer never completes installation because it says the disk is ...
0
votes
0answers
65 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 ...
0
votes
2answers
92 views

How can I reinstall OS X without a valid App Store connection?

I have a Mid 2009 MacBook Pro that was used by a "less than responsible" user. As such, it seems to have become infected with malware that rewrites all SSL certificates. These certificates cannot be ...
0
votes
0answers
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 ...
0
votes
1answer
229 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 ...
0
votes
2answers
282 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 ...
0
votes
1answer
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 ...
0
votes
0answers
67 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 ...
0
votes
1answer
112 views

Change MacBook Pro OS X Apple ID ownership [duplicate]

Over a year ago I bought a second hand MacBook Pro on ebay. Unfortunately the original owner did not reinstall the operating system and in fact it came together with Photoshop and Microsoft Office. ...
0
votes
1answer
113 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
votes
3answers
44 views

Saving information of all current apps on Mac

I want to reset my (oldish) MacBook Pro (13-inch, Late 2011) by wiping the hard drive and re-installing OS X. Is there a way to save information on all the applications I have currently installed so ...
1
vote
5answers
3k 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 ...
2
votes
2answers
101 views

How to install OS X Mavericks if disk only has Windows on it?

I have a MacBook Pro How can I install OS X Mavericks if my HDD only has Windows on it?
1
vote
1answer
92 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 ...
2
votes
2answers
1k views

Can't install OS X on MacBook Pro after installing Windows 8 [duplicate]

So my hard drive stopped working, water damage I think. I bought myself a new ssd and straightaway put Windows on it as I use it for work. This was a few months ago I'm now stuck as I can't figure ...
0
votes
1answer
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 ...
0
votes
0answers
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 ...
3
votes
1answer
149 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
votes
1answer
43 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 ...
0
votes
1answer
300 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 ...
2
votes
3answers
9k views

Error while installing Mavericks in a clean hard drive

I've decided to reistall osx Mavericks on my MacBook, so I restarted my Mac clicking cmd ⌘+R. In recovery mode I erased the main hard drive so I can have a clean install. Then I selected "Install OS ...
16
votes
5answers
10k views

What is the best way to generate a Yosemite or Mavericks Install USB flash drive? [duplicate]

I could probably copy the contents from the package, but what is the best way to create an install Flash Drive for Mavericks? Of course ideally the drive should be bootable.
0
votes
0answers
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) ...
1
vote
1answer
88 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 ...
0
votes
1answer
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 ...
0
votes
1answer
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?
0
votes
1answer
1k views

Preventing booting from external media

Is it possible to set up Mac OS X 10.8 (Mountain Lion) on a MacBook Air so that users cannot boot from external media (e.g. a USB memory stick) and cannot restore the OS from the internal restore ...
5
votes
1answer
125 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 ...
0
votes
1answer
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 ...
1
vote
2answers
450 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 ...
0
votes
1answer
647 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. ...