Questions tagged [recovery]

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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43
votes
9answers
77k 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 ...
2
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1answer
4k 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 ...
26
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3answers
7k views

macOS Sierra doesn't appear in my Purchased list within the Mac App Store

Typically, when users download and/or upgrade to a new version or macOS (previously Mac OS X), via the Mac App Store, that version of the installer appears in the Purchased tab of the App Store app. ...
4
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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: ...
8
votes
4answers
16k 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 ...
11
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3answers
34k 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 ...
8
votes
1answer
3k views

macOS partition startup Volume type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF

I have encountered a nearly identical issue to the one in this question (and this too: Data Not Backed Up, Partition Type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF), but my hard drive's main partition is ...
1
vote
4answers
856 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 ...
9
votes
4answers
13k views

Single-User-Recovery-Mode on High Sierra 10.13.6

Before the High Sierra update to 10.13.6 I was able to boot in single-user-recovery mode by holding Cmd-R-S at startup, but after the latest software update booting while holding Cmd-R-S just enters ...
6
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1answer
4k views

OS volume shows as type 'FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFF' after attempting to delete some Linux partitions—cannot log in

I was unable to just delete the partitions left by an old Linux Mint installation by pressing the '-' button in disk utility. I looked online and read that I could reformat them to a journaled format ...
8
votes
4answers
18k views

iPhone 7 Plus stuck in recovery mode and can't restore/update even in DFU after downgrading from iOS 11

Here is what has happened. I'm hoping there is still hope in me fixing this since the weekend is here and the earliest I can get a repair appointment is Monday. I've been on the iOS 11 Developer Beta ...
18
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9answers
71k 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 ...
12
votes
4answers
55k 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 ...
9
votes
4answers
35k views

Disable SIP without recovery mode

Before you respond that this isn't possible, hear me out. I have a Mac Pro 4,1 (with 5,1 firmware), running MacOS Sierra. I want to disable System Integrity Protection (otherwise known as SIP), but ...
2
votes
2answers
749 views

Accidently deleted some small sized partitions when installing Windows. OSX Partition wont boot

First off my problem is incredibly similar to this thread where the answer was almost reached but wasn't fully finished. Accidently deleted some small sized partitions when installing WIndows(Bootcamp)...
5
votes
3answers
497 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?
3
votes
3answers
410 views

2nd hand iMac with no OS

I have just got a second hand iMac (Core 2 Duo 2.4 20" Mid 2007) Which has been fully wiped. I have connected it to wifi and am trying to install OS X by using the reinstall option but when I log in ...
2
votes
1answer
310 views

Tried to fix filesystem type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and probably made it worse

I have a MacBook Air 11 inch which I recently tried to install Linux on with a swap partition and a root partition. In my stupidity I used the “disks” program under “try ubuntu now” to delete the ...
0
votes
1answer
687 views

iMac doesn‘t start up

My iMac doesn’t start up. The loading bar doesn’t fill up and then, after 10 minutes or so, it shuts down. I tried to get in the recovery mode, but there is the Macintosh HD drive grey and it says „...
6
votes
2answers
94k 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 ...
12
votes
7answers
54k views

macOS Sierra Recovery Mode does not have Terminal

I just installed macOS Sierra and when I log into the Recovery mode, I do not have the Utilities menu in it. Only the 4 options, Restore From Time Machine Backup, Reinstall macOS, Get Online Help and ...
15
votes
3answers
238k 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 ...
2
votes
2answers
7k views

Setting a NVRAM variable in normal boot not permitted but allowed in recovery mode

If memory serves me right then in Yosemite it was possible to set the NVRAM variable agc with nvram boot-args even in normal full boot mode. This seems to have changed in later versions of the OS. ...
8
votes
2answers
305 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 ...
6
votes
5answers
16k 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 ...
1
vote
1answer
950 views

How do I recover/fix my OS X partition?

I'm coming from Super User Community, since I wasn't aware of this specific one. My first and foremost care is the files on my system, I have been slacking on making backups (I know, it's really bad) ...
0
votes
0answers
259 views

Deleted MacOS partitions and installed Ubuntu, now can't boot with DVD, USB or internet recovery to reinstall MacOS

I deleted all partitions on the MacBook's HD and installed Ubuntu. Now I want to reinstall MacOS but nothing will work. Holding option on startup shows the grey screen with the pointer but no ...
10
votes
5answers
20k 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 ...
8
votes
1answer
7k views

Create a disk image for recovery

In Windows there is a concept of creating a "disk image" for recovery, where one creates a complete copy of the operating system drive so that if the operating system doesn't work, the disk image can ...
3
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 ...
11
votes
7answers
51k views

MacBook startup problems - mouse and keyboard not working at login / stuck on apple logo

Today I restarted my Mac after several weeks uptime. After restart, I got the login screen with unresponsive keyboard and mouse. Right before this problem I had Aperture open, with a problematic ...
9
votes
1answer
58k views

How can I download Mac OS X El Capitan without app store?

I was going to install a new copy of El Capitan via my USB drive, but it turns out it's dead, it's been corrupted. I erased everything before that, so I'm stuck with the installation screen. How can ...
7
votes
4answers
283k 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
3answers
26k 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
1answer
987 views

How to create a bootable disk for an older Mac? [duplicate]

The file system on an older Mac mini (early 2009, latest supported OS 10.11) got corrupt, and disk utilities ended up in an infinity verify-can't-repair loop. Thanks to a insightful tip I could mount ...
7
votes
1answer
8k views

Unable to install an OS on Mac (prohibited sign)

I had an issue with my MacBook Air "Core i5" 1.6 13" (Early 2015) (MacBookAir7,2) and after repeated problems I decided to wipe the computer and give it a clean slate. I downloaded a copy of ...
3
votes
2answers
99k 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 ...
3
votes
1answer
5k 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 ...
2
votes
1answer
951 views

Upgrading MacBook air from 10.6.8 to Sierra

I have been given a MacBook air by a friend that needs it repaired. The device is running 10.6.8 and has no available recovery disks. I am going to re-image the device and update it to the newest ...
1
vote
2answers
88 views

Blinking folder icon - safeboot, recovery hd does not work

When I try to start my MBP early 2011 with Mavericks OS installed I get a blinking folder icon. SMC reset, PRAM reset did not resolve the issue. The MBP does not boot into the safe mode too. When I ...
1
vote
3answers
9k 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
71 views

iPhone data recovery after restoring using iTunes without back up

By mistake my wife connected to iTunes and restored iPhone with mine iPhones backup. She lost all data from her iPhone and now I can't recovery her data because it never backed up to iTunes or iCloud. ...
0
votes
3answers
3k 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 "...
11
votes
4answers
74k 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 ...
2
votes
1answer
11k views

Diskutil can't find Core Storage Volumes

My OSX Mountain Lion will no longer atart up. After the logon screen it spins forever (the Apple logon is replaced by an error sign). When I run in single user mode I get a "still waiting for root ...
9
votes
1answer
2k 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, ...
6
votes
7answers
16k 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
22k 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). ...
4
votes
2answers
829 views

I have `/usr/bin/env` in my “Macintosh HD” but not in the recovery partition. Is this normal?

I'm working on a MacBook Air, that's currently booting to macOS High Sierra 10.13.6. It also has an Ubuntu 16.04 partition, that I am currently trying to reach. I was trying reinstall rEFInd, which ...