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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9answers
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How can I create or recreate a Lion recovery partition?

For whatever reason, one of our macs didn't make a recovery partition when it upgraded to Lion. Is it possible to add a recovery partition after the fact? To be clear - on a normal mac, the ...
6
votes
4answers
15k views

How to recreate Lion Recovery HD partition?

I have a Macbook Air Mid 2011 which came pre-installed with Lion. After a trackpad hardware problem I wanted to be sure that none of my programs was responsible for the problem. I booted into the ...
3
votes
2answers
2k views

What are the purposes and safety to enable the hidden debug menu in Disk Utility?

I'm primarily interested to know whether installation of Lion included the Recovery System. I understand you can enable extra formats and debugging in Disk Utility, using the following commands: ...
5
votes
2answers
9k views

How to restore system from network drive?

I have a 2014 MacBook Pro. I want to restore my OS from a Time Machine backup which is on a shared network volume. When I restart in recovery (Apple-Opt-R), it boots from internet, but if I try to ...
2
votes
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 ...
8
votes
2answers
286 views

What's a reliable method to create a stand alone recovery disk for Lion?

I'm seeing a lot of questions with all sorts of steps to burn a DVD or create a USB disk so you can boot your Mac with Lion if the internal drive is replaced. Is there a definitive set of steps that ...
1
vote
1answer
3k views

Recover Apple ID despite deleting email address and not being able to answer the security questions

I have an old Apple ID that I've lost access to because I deleted the email address it was tied to and I can't remember the security answers to anymore. I have some purchases tied to it, but the ...
4
votes
2answers
71k views

Stuck at Apple logo during boot. Cannot enter Safe mode. Cannot use Recovery USB

A little background I wanted to create a Mountain Lion recovery USB because I currently only have a Lion recovery USB. While downloading the installer image from the Mac App store, the computer froze ...
8
votes
5answers
18k views

DIY Fusion Drive: Adding Recovery HD to a CoreStorage Volume Group

After creating a "DIY Fusion Drive" using the methods below in 10.8, I'm now wondering how to add a RecoveryHD partition to the internal drive. Here's what I did to create a Logical Volume Group ...
13
votes
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 ...
2
votes
3answers
5k views

Unable to resize Lion partition

I decided to do a clean install of Lion on a new partition, then after copying my stuff removed the old one. I'm now stuck with 100~ GB of free space and a 20 GB partition that Disk Utility won't let ...
5
votes
4answers
165k views

How to undelete notes on iPhone “Notes” app?

iPhone has a default "Notes" app which allows us to store notes. Stored notes can be deleted by hitting the "Delete Note" button: How do we recover a note that is accidentally deleted? Is there ...
4
votes
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
votes
3answers
16k views

How do I mount my FileVault 2-encrypted volume?

I have a Lion 10.7.2 system (on MacBook Air 13" 2011) which doesn't boot anymore after a restart. My HD is encrypted with FileVault 2, and after I click on my username and enter my password, it ...
1
vote
1answer
7k views

How can I resize my Lion partition to fill up the unused space on the drive?

My MacBook (Late 2007) has an 80GB hard drive. I used to have a 15GB Boot Camp partition, and deleted it at some point -- but I forgot to resize my Snow Leopard partition to fill the 15GB of free ...
9
votes
5answers
41k views

iPhone 4 water damage - how to recover data?

My sister dropped her iPhone into water and made the fatal mistake of turning it on just a few hours later, thinking it was already dry. I put it into a bag with rice for days. She had taken a lot ...
2
votes
2answers
386 views

What should I do after I lost my MacBook data?

I lost my data on my Mac and now I don't know how to recover it. Do I have to go to a recover shop and pay for the costly recovery?
0
votes
1answer
2k views

Can't Enable Filevault because Recovery Partition Missing

I'm trying to enable FileVault for my home directory on my Macbook, but every time I try it tells me it can't because the Recovery Partition is missing. however, if I drop to a terminal and run ...
0
votes
1answer
458 views

USB Lion Recovery Disk fails to boot

Per What's the best way to create a stand alone recovery disk for Lion?, I'm attempting to create a two-partition thumbdrive such that one of the partitions is the Recovery Disk created by ...
10
votes
4answers
71k views

Missing Yosemite Recovery Partition

After doing a standard, App Store upgrade of Yosemite it seems that the recovery partition is still Mavericks-specific. Whether I hold Cmd+R or Option and select the recovery partition it takes me to ...
6
votes
7answers
15k views

How can I clone my Lion-pre-installed drive to a new smaller hard drive?

I got a new MBP with Lion installed (as detailed here: How can I install an SSD on my new Lion MBP w/out install disks?), and I want to clone the drive (including the Lion install partition) to my new ...
6
votes
6answers
30k views

How can I install an SSD on my new Lion MBP w/out install disks?

I just got a new MBP that came with Lion, and they didn't give me any install disks. If I swap in my new SSD, how can I install Lion on the new drive? Update: There is the Mac OS X Utilities that I ...
5
votes
1answer
266 views

How do I remove my network from the recovery partition before sale?

I'm about to put my old MBP up for sale, so I re-installed from the recovery partition after wiping the drive. But when I rebooted from the recovery partition to double-check I'd deleted everything, ...
3
votes
2answers
8k views

csrutil is broken on Recovery HD

I'm trying to turn off SIP on my MacBook Pro (Retina, 15-inch, Late 2013) but when I run OS X in Recovery Mode no csrutil is available—there is no such command in /usr/bin as well. So I tried to run ...
2
votes
1answer
120 views

Unable to reset password in Recovery Mode

Unfortunately, I am unable to log in to my Mac Mini OS X (10.8.5). I am trying to recover the password with Recovery Mode by pressing CMD + R. I executed the resetpassword command, but the window ...
2
votes
1answer
2k views

Erasing and Partitioning Hard Drive from Internet Recovery

My MacBook Pro (mid 2012) was encrypted and running Yosemite 10.10.3. (The last update with Photos ruined it.) Yesterday, all of a sudden, everything freezes. I forced Shut Down and since then, it´s ...
2
votes
2answers
9k views

FileVault 2 encrypted drive not accepting unlock password in recovery mode

My Mid-2012 Mac Book Air running an up-to-date install of Mountain Lion crashed the other evening (browsing the web, one tab started beach-balling, and refused to be force-quit so I forced a restart). ...
1
vote
1answer
410 views

Unable to restore/reinstall/erase from recovery

I've just tried to install the El Capitan GM, which failed half way through with the error "This Core Storage operation is not allowed on a sparse logical volume group" and gave me the option to ...
1
vote
2answers
704 views

What are some good data recovery programs to try on an SD card?

My friend imported a bunch of videos from his GoPro into iPhoto and foolishly let iPhoto delete upon successful import. He claims that iPhoto then quit unexpectedly and all of the videos are gone. My ...
0
votes
1answer
114 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 ...
0
votes
1answer
1k views

Add recovery partition back onto drive after drive change [duplicate]

Possible Duplicate: How to recreate Lion Recovery HD partition? I hope this question is different enough from the others that is doesn't get closed. I am first time Mac user, long time ...
3
votes
1answer
48 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 ...
2
votes
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 ...
2
votes
2answers
15k views

How to create a 10.6.8 recovery CD (not clone of the OS or install environment)

Upon Google searching people seem to equate "recovery CD" with full installation. I have seen methods such as using Disk Utility with the Mac HD as the source and a DVD as the destination. This ...
2
votes
4answers
22k views

-1006F error message when trying to recover mac

my macbook pro crashed and i sent it for repairs.. so the guy installed a new hard drive but then sent it back with a screen having a flashing folder with a question mark.. so i looked at this page ...
1
vote
3answers
2k views

How to recover photos from an iPhone 3G?

I used an iPhone 3G from May of 2009 until around the spring of 2013, at which time I upgraded to the iPhone 5. I've always been a prolific iPhotographer :) and recently pulled around 12,000 photos ...
1
vote
1answer
25k views

Backup files from recovery utility

My Mac seems to have given up. I have my important data backed up, but I have a few gigs of movies and music that I wasn't backing up. I can boot into the recovery utility and launch a terminal, ...
1
vote
3answers
3k views

Is there an alternative to downloading Lion from the net?

I have a 13 inch Macbook Air 2011. A couple of days back, I was deleting some files and I landed in the Macintosh HD folder (root) and from there I ⌘+Deleted everything. Needless to say, my Mac ...
1
vote
1answer
712 views

Can I repartition my primary hard drive without removing the Lion recovery partition?

Scenario: I boot into Recovery mode and open Disk Utility. Then I select the primary hard drive and choose 1 partition. Will that destroy the recovery partition as well?
0
votes
1answer
47 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. ...
0
votes
1answer
3k views

Macbook Lion Recovery Disk Utilities cannot detect newly installed SSD

I just installed the SSD and I cannot detect the SSD in Disk Utilities of the recovery disk. Even trying to restore from time machine backup it cannot find any disk it can restore to. I am restoring ...
0
votes
2answers
5k views

How can I Create a Recovery Partition on a Newly Installed SSD?

I have a late-2011 15" MacBook Pro. I have just had my spinning hard drive swapped out with an SSD. The new drive does not have a recovery partition. Can I create one? If so, how? My laptop is well ...
0
votes
1answer
246 views

What's different about Safari.app in OS X 10.9.1 and Safari.app on the Recovery HD?

Having mounted the Recovery HD1, I MD5'd the Safari binary from the BaseSystem.dmg and MD5'd the Safari binary from my OS X Mavericks 10.9.1 install: /Volumes/OS\ X\ Base\ ...