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.

learn more… | top users | synonyms

38
votes
9answers
71k views

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 ...
13
votes
9answers
38k 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 ...
11
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 ...
8
votes
2answers
287 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 ...
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 ...
6
votes
2answers
461 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 ...
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 ...
6
votes
1answer
3k views

How to start to recovery mode in a Mac OS X VM in Parallels?

Is it possible to start into Recovery/Internet recovery mode in a virtualized Mac OS X in Parallels? It would come in handy to take screenshots of those UIs or running apps to exemplify some steps ...
6
votes
4answers
5k views

Can't turn on FileVault after restore from Time Machine

I have bought myself a SSD and replaced the internal disk with it. I was running Lion before (latest patch level). I'm using Time Machine to back my laptop up. When I was done replacing my HDD I ...
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
2answers
11k 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 ...
5
votes
2answers
74k 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 ...
5
votes
5answers
14k 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 ...
5
votes
3answers
117k 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 ...
5
votes
3answers
3k views

Put Lion “Recovery HD” on USB

In an attempt to save some space on my ssd, I used SuperDuper to clone Recovery HD to a USB drive. But when I booted up my Mac holding the option key I only got the ssd and Recovery HD as alternatives....
5
votes
4answers
182k 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 ...
5
votes
1answer
2k views

Recovering iWork from backup

I recently changed my MBP 13" 2009 to the newer MBP 13" 2012. I decided not to recover from Time Machine and install everything manually as to make a clean start. Although I do not have my iWork '...
5
votes
1answer
294 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, ...
5
votes
1answer
1k views

Can I Mount a Hard Drive in Mac Pro Tower as Read Only?

I'm trying to recover data from a failed external Fantom RAID Drive enclosure by plugging the drives into a Mac Pro tower, but I'm concerned that OS X might write to the disks and jeopardize the RAID ...
5
votes
0answers
9k views

Restoring Missing Recovery Partition on Yosemite [closed]

Thought this might be of help to those who have cloned a Yosemite hard drive but are now missing the Recovery Partition. To restore the recovery partition on a Yosemite install, you’ll need a few ...
4
votes
1answer
1k views

Backing up Homebrew Cellar

I decided to reinstall my Mac from scratch recently, and since then I've been working on ways to more effectively organize everything, image/partition my data and do recovery. I discovered Homebrew ...
4
votes
3answers
747 views

Lion Recovery with a Disk Wipe

I would like to wipe my entire hard drive and reinstall Lion from scratch. I try to use the Lion Recovery tool but it does not wipe the disk so I still have all my installed programs that I don't want....
4
votes
1answer
2k views

Does the recovery partition get updates?

I clean-installed Mountain Lion 10.8.0. Now I am at 10.8.2 and I want to do a clean install again. If I boot to the recovery partition and do a restore, will I have 10.8.0 or 10.8.2? Does the recovery ...
4
votes
1answer
354 views

How to recover accidentally deleted data?

My data has been deleted accidentally don't know how it got deleted. Yesterday when I left office the folders where at proper place and when today morning I opened my Mac OS Lion 10.7.4. I found ...
4
votes
1answer
2k views

Macbook Pro Early 2011 15 inch, Mountain Lion Booting issue

My Macbook Pro is not booting normally. I tried many options but no success. If I try to recovery mode or try to boot from USB, a blue screen appears. So I can't do fresh install. I checked hardware ...
4
votes
1answer
3k views

Cannot install OS X from OS X Utilities on early 2008 Macbook Air

I recently acquired an early 2008 Macbook Air with a completely wiped hard drive, so there's no OS currently on the machine. It boots up into Recovery Mode I think it is, and a window comes up saying '...
4
votes
2answers
3k views

Why can't my MacBook Air run Software Update?

One of the first things that I tried to do when I got my new MacBook Air out of the box was upgrade iTunes to 10.5 (through Software Update). It downloaded the files (four different updates in total), ...
3
votes
1answer
10k 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 ...
3
votes
4answers
3k 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 ...
3
votes
2answers
1k views

I'm looking for a detailed tutorial on a clean install of Lion

I've read online and saw that it appears to be impossible to install Lion on a clean/wiped/reformatted hard drive - is this true? I'd like to wipe my hard drive clean and then install Lion on it (new) ...
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: ...
3
votes
1answer
73 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.
3
votes
2answers
10k 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 ...
3
votes
1answer
281 views

Internet Recovery loads ML instead of Mavericks

Had to recover my computer using Internet Recovery. For some reason it installed Mountain Lion instead of the Mavericks OS I previously had. How did this happen?
3
votes
1answer
12k views

csrutil: command not found

I am using a Mid 2012 MacBook and recently upgraded it to OS X 10.11 El Capitan. I was having trouble with it's new SIP feature and wanted to disable it. I tried to boot into OS X Internet Recovery ...
3
votes
1answer
468 views

TextMate recover after kernel panic

I was working on an unsaved file when the kernel suddenly got a panic attack. I have the 'Save files when focus is lost" checkbox checked, and I frequently switched between textmate and the browser, ...
3
votes
1answer
987 views

How can I salvage macos resource forks when copying from a non hybrid ISO 9660 Rockridge CD

I have a set of ten years old archive CD-ROMs burnt on a OS9 Mac system by (potentially) choosing wrong options by a colleague. If mounted on the desktop of a recent MacOSX System (eg. 10.5.8 to 10.7) ...
3
votes
2answers
12k views

Mac OS X is not starting anymore

I tried to install Mac OS X El Capitan and it failed in ~70% progress after reboot and now I even can't start recovery mode (pressing Cmd+R just tries to continue installation process and fails again ...
3
votes
2answers
17k views

Mavericks setup fails: “the recovery system can't be created”

I've been trying to upgrade from OS X Mountain Lion to OS X Mavericks, but the setup fails after a few minutes with the message that it can not create the recovery system. The relevant installer log ...
3
votes
3answers
1k views

How can I recover an unresponding application without quitting?

I've just run a very long Matlab simulation on my Mac Book Air. It uses Mac OSX. The simulation has practically finished, but seconds before the end, Matlab appeared in the activity monitor as not ...
3
votes
1answer
63 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 ...
3
votes
0answers
131 views

how do i get OLD photos out of my photo stream folders

I have 700 photos on my photo stream (recovered after a lost phone! and older than 30 days) but I can't figure out how to download them. only the most recent (100-ish) photos upload to iCloud photos. ...
2
votes
4answers
11k views

I think my HD is failing. Can't backup files from recovery mode. How can I preserve my data?

I'm really worried, and I'm hoping that you guys can help me salvage some files. Here's what happened: This morning I woke my iMac up from sleep, but it was hardly responding. I would click something ...
2
votes
3answers
17k 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 ...
2
votes
2answers
153 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 ...
2
votes
2answers
4k views

Can be iPhone detected in 'Find my iPhone' service after recover?

I lost my iPhone and while it was turned on I could lock it and put in 'Lost mode' through Apple 'Find My iPhone' service. Unfortunately almost one month it's not found and until now I had hope to ...
2
votes
1answer
741 views

Dropped MacBook, lots of disk io errors. How to fix?

My 2011 MacBook just slid off the table and hit the floor face down opened. There was a message saying to reset and I did. After that it wouldn't load OS X Lion; it stays at the gray screen forever. ...
2
votes
1answer
156 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 ...