An OS X feature that hides a Recovery HD on Macs to facilitate maintenance, recovery and reinstallation if the OS becomes corrupt. Topic of recovery-mode-ios, data-recovery or file-recovery are unrelated to the recovery category here.

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iPhone 6 stuck in iTunes recovery logo

After having a jailbroken iPhone for a while, I wanted a clean version of iOS 9.3.1. So i followed all the steps in iTunes to achieve this. But when the little black bar on the iPhone was filled up it ...
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1answer
40 views

Accidentally ran command to erase volume with “no format”, how can I get it back?

I accidentally ran this command and now I am missing 100gb of space, how can I get it back? All help appreciated!! diskutil eraseVolume free %noformat% disk0s2 Terminal gives this diskutil info: ...
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2answers
1k views

OS X Internet Recovery Globe stuck

I've deleted my recovery disk or you can say, I've erased by mistake my SSD completely. Now, my only option is to recover my internet, but the globe on internet recovery keeps on spinning and stuck at ...
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3answers
5k views

Restore Recovery HD partition from Yosemite downgrade

I recently got back to Mavericks from Yosemite, everything went fine. As I normally do, I checked my HDD with the Disk Utility and found some trouble, then I boot on recovery mode to fix my HDD. I ...
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1answer
2k views

Is it possible to generate or update a recovery parition

We have started to replace hard drives in some MacBook Pros and Airs that are about 3 years old. We found out the hard way that FileVault encryption requires a recovery parition. If we install ...
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1answer
7k views

Mac drive not showing up on resetpassword screen

I am trying to reset my admin password using recovery partition. When I type resetpassword in terminal, a window shows up but I don't see my drive in the top box. Is there a way to fix this? btw, I ...
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1answer
60 views

Can't boot into OS X Recovery Mode

I would like to I've recently installed Debian Linux on my Macbook, which required repartitioning the hard drive. I now can't boot into Recovery Mode. Holding down Command+R on boot brings up ...
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2answers
10k views

Recover accidentally deleted photos not shown in recently deleted

I accidentally deleted a photo, and it does not show in the "recently deleted" folder. Is there any way I can get it back? I have iOS 8.2.
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1answer
1k views

HFS+ invalid number of allocation blocks

Okay so a few days ago I wanted to install Ubuntu GNOME over regular Ubuntu and it gave me the option to automatically overwrite my Ubuntu installation (that I had on a separate partition from my OS X ...
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2answers
50 views

I have a recovery partition but OS X doesn't use it for recovery

I need to start my El Capitan OS X in Recovery Mode to run csrutil disable. When I restart holding cmdR the Mac directly boots to Internet Recovery Mode. But I need a local recovery partition because ...
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1answer
6k views

Unable to boot into recovery mode on Mavericks Mid 2009 17" Macbook Pro

I am trying to restore a new SSD I placed into my MBP using a Time Machine backup on an external HD. In order to do this, I read I need to be able to go into recovery mode as I boot my system up. To ...
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0answers
21 views

How recover files from mac OS X 10.10.2? [duplicate]

I understand this is a duplicate of few other posts. But I dont find a solution for this. I was using atom editor. I think there was a bug in atom it seems. Editor deleted the files from disk. I dont ...
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2answers
447 views

Logging in to main user turns off the mac

I am not a mac user, and honestly, I have no idea how to use one (besides the terminal). So, a friend asked if I could help them out with fixing their computer. She says the last thing she was on, was ...
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0answers
26 views

Dead MacBook Pro Retina 2015

Today I had to return my MacBook Pro Retina 2015 to my work company. I followed these steps given here https://support.apple.com/en-sa/HT204904 Then, when I was at step 10 of "Erase your drive and ...
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1answer
46 views

13'' MacBook Pro 2010 stuck at blank gray screen, no boot option working

My 13'' MacBook Pro 2010 running Yosemite suddenly stopped booting today. After I press the power button, I can hear the chime and the computer proceed to go to a blank gray screen immediately. The ...
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2answers
32k views

Not seeing my HD in the disk utility

I tried to start up my computer and got a flashing file with a question mark. So I held down the ⌥-key on boot and brought it into recovery-mode. After going through the different options I went to ...
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1answer
3k views

iPad update/restore iOS 8.1 stuck at 10%; cannot exit recovery mode

I wanted to upgrade my iPad from iOS 7 to iOS 8.1. I downloaded an IPSW from ipswdownloader.com and tried updating by alt+clicking the update button. The update process stopped at around 10%. I tried ...
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3answers
2k views

Disk structure error reported in Onyx but not fixable via the Disk Utility in Recovery Mode

On Yosemite 10.10 Onyx returns the following error: Error: -69845: File system verify or repair failed Underlying error: 8: POSIX reports: Exec format error The disk needs to be repaired. I ...
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4answers
189 views

El-capitan crashing while booting

Objective: Somehow I want to fix the issue and should be able to login to the El-Capitan without reformating as so many valuable files are there Find what has caused this problem so that I can avoid ...
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2answers
66 views

Prohibited sign - Can't boot after trying to open Raspian SD Card

So I was following this tutorial https://www.youtube.com/watch?v=Eo4HphBdR10 and opened the folder of the SD Card. The Screen went black and I rebooted. Now I get a Prohibited Sign on boot up. In ...
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1answer
46 views

Reset Password app in recovery mode not showing and disks

Note: this question is a duplicate of Unable to reset password in Recovery Mode, but the solution mentioned there was to reinstall the OS, which is not really the solution I'm striving for if there is ...
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1answer
21 views

Booting iMac in Recovery partition takes forever

I'm trying to boot the recovery partition on my Mid 2010 iMac 27 to do a Time Machine recovery. OSX is installed correctly already and I can boot that quickly. However, when I try to boot the ...
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0answers
32 views

Backup files in single user mode

My Mac crashed for any reason and I'm trying to backup all my files from single user mode. My idea is to backup all the files in an external drive and do a clean installation of the OS. I'm following ...
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0answers
63 views

Stuck in 10.6.8 to 10.11 upgrade installation, no recovery disk available

In attempting to upgrade from OS X 10.6.8 to El Capitan I've run into a bit of stalemate. The installation is unable to complete(indeed, it seems to barely commence) due to issues "verifying or ...
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2answers
57 views

How can I install Mac OS on my MacBook running Linux Mint?

I am new here and I hope that this is the right place to find an answer. My questin is: How can I install a new copy of OS X on my Mac, using Linux? I recently bought a Macbook Pro from a friend. I ...
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1answer
44 views

If I replace my MacBook Pro hard drive can I reinstall OS X using Internet Recovery?

I have a MacBook Pro early 2011 and my hard drive is failing, I was wondering once I replace the hard drive, is reinstalling the OS X as easy as turning it on and booting into Internet Recovery, ...
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1answer
1k views

Unable to boot into recovery mode on El Capitan MacBook Air

I want to disable System Integrity Protection, So i am trying to run this command csrutil disable On recovery mode, But i am not able to boot in Recovery mode, It keep showing user login screen, I ...
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1answer
100 views

Why can't I format my blank SSD from OSX Recovery?

The SSD in my Macbook Pro died suddenly. I bought a blank one, installed it as the internal drive, and booted into recovery mode by holding Command + R. After letting it connect to WiFi and download ...
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9answers
36k views

FileVault Stuck on Pause

I just got a new 13" rMBP with Yosemite installed. I chose to enable FileVault when I set the machine up. Now, several days later, an app called "Reverting from FileVault" shows on the list of apps ...
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1answer
32 views

Can I boot my recovered SSD as a Mac OS X installation

I recovered an SSD from an old, upgraded 2008 Macbook Pro with a broken keyboard in order to recover the data from it. Initially I was planning to put it in my other Mac Pro and simply copy the data ...
0
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1answer
109 views

How to mount a DMG image created with dd?

I created an "emergency" image of my dying HD using the procedure explained in Recover a dead hard drive using dd. Now when I try to mount the dmg file I get the message: "The following disk image ...
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2answers
393 views

Is there a way to recover a word document password?

I have several password protected word docs that I have forgotten the password for. Is there a way to recover them? I am using Word 2011.
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0answers
25 views

MacPro 2.1 won't boot from USB nor from MacBook via target mode

My Mac Pro 2.1 (I believe 2x 2.33 quad / 32GB ram / startup disk is a SSD / OS X Yosemite) suddenly started showing up the ?-folder instead of booting so I thought the SSD died. I connected the Mac ...
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1answer
119 views

Prohibited symbol trying to boot into Recovery Mode

MacBook Pro early 2011 model with El Capitan (10.11.1 - edit - just noticed there's an update. Not sure if relevant but I'm running it now). I can boot fine into OS X and log in. But I'm trying to ...
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1answer
135 views

Accessing Internet Recovery

I have a late 2012 model iMac that I'm preparing to sell. I want to reset it to factory defaults, so Internet Recovery sounds perfect. However, Cmd + Option + R during boot does not work. For that ...
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0answers
29 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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1answer
254 views

Flashing folder with question mark OS X 10.11

It seems like I totally messed up my MacBook Pro Retina (15" mid 2014) today. I'll try to tell you the story as short as possible. My MacBook was encrypted and I decided to dual boot Arch Linux on ...
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0answers
46 views

Unable to Boot MacBook using any means after attempted Fedora Install

Wondering if anyone has any last ditch efforts I can try here to salvage my macbook! I recently attempted to install fedora to dual boot on my Late 2011 Macbook Pro, the install crashed, the ...
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3answers
111k views

How can I find the product key of Office 2011 after restoring from backup?

I had to restore my iMac from a Time Machine backup. Everything seemed fine until I tried to start Office 2011 and it is asking me to re-enter my product key. I am trying to locate my key (I believe ...
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2answers
195 views

Disk utility detecting error in single user mode, but not when disk utility is opened via recovery mode

I verified the integrity of my Macintosh HD (MacBook Pro 13" 2012, OS X Yosemite) with Disk Utility when I was logged in as a user and it reported this problem: Invalid volume free block count ...
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5answers
13k views

How to restore a missing Recovery HD partition

I bought a second hand Macbook Pro which came with OSX Lion installed, when I wanted to clean it I found out that it had no Recovery HD partition. I confirmed this through the Disk Utility (enabled ...
2
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2answers
124 views

How to get the password hashes for a user in Mac OS X 10+, in recovery/single user mode?

I would like to view the hashes on my Mac, in either single user mode, or the terminal in recovery mode. I tried to follow the steps described in OS X 10.9: where are password hashes stored. But I ...
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1answer
59 views

xxd not found in Recovery Mode, Mac OS X 10+

In Recovery Mode, I was trying to access my password hashes, except bash 3.2 returned command not found for xxd. Any help would be appreciated.
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1answer
46 views

How can I tell what version of Recovery HD OS is running while I'm booted to the recovery software?

How can I tell the version of OS X (and the build) that runs on Recovery HD while I'm running in that mode? The Apple menu has no "About" menu that shows that information when you're running normally. ...
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1answer
38 views

MacBook air is messed up, can't erase the hard drive from recovery

Something happened when installing El Capitan and now I have only one partition in my hard drive with only 30 gigs of space when it's supposed to be 128. I can't seem to erase anything. Any advice?
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2answers
4k views

Mac Mini can't unmount disk in Recovery Mode

I need to wipe my Mac Mini and reinstall OS X. Booting into recovery mode (holding command+option+R), I try to erase the disk in Disk Utility but it says it cannot unmount the disk or gets stuck on ...
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1answer
81 views

Entering in recovery system trouble

When I'm trying to enter in recovery system through pressing cmd+R I'm getting OS X Internet Recovery instead of Utilites window. How to avoid it?
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21 views

How do I update the RecoveryOS to version 2.0 on my Macbook Pro?

A few months ago I upgraded to OS X El Capitan. It has been mostly fine except for the ever so annoying System Integrity Protection (SIP) feature. Ever since I had upgraded, I have found my rEFInd ...
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2answers
2k views

Can't start Mac in Recovery Mode

When I start it, hold alt, then choose "Recovery 10.11" it takes about 50 minutes for the waiting bar to fill. After that, nothing happens (I tried leaving it up for about about 10 hours and 36 ...
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0answers
38 views

Concern about a compromised version of the OS

I was reinstalling the OS on my Mac via Internet Recovery using a wifi connection. As it wasn't connected to a power source, the screen of my Mac would constantly go black and I would press the screen ...