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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Upgraded to El Capitan, now computer running slowly, disk space changing, software not working

Not being computer savvy, I think I made all sorts of mistakes when I decided to upgrade my macbook pro to El Capitan yesterday but I need to figure out how best to go forward. Mistake 1: I made the ...
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157 views

Recovery mode Disk Utility can't see new internal hard drive

Lots of similar questions, but no one seems to be having the exact problem I am. Hard drive on my mid-2012 MBP (Mavericks now, but originally Lion) died; I do have backups (including a clone of the ...
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279 views

Deleted Macintosh HD. Need to create a new partition/ partition table

I was trying to install El Capitan. I went to erase Macintosh HD in recovery> disk utility as I wanted to do a clean install. It then deleted the Macintosh partition then gave me an error code saying ...
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107 views

Enabled Guest User Account, the Password Box Doesn't Show Up, Mac requires Recovery OS

I enabled the Guest User Account. Then, I tried turning off the Mac and then powered it on again to check if there are already two accounts on my start-up screen- mine, and the guest's. I tried ...
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122 views

Mac Mini white screen - no recovery / no os installed

I wiped (all partitions) a MacMini without knowing it was running bootcamp. This caused it to go to a Windows screen that said "no bootable device" when I used cmd R during boot to select a DVD or USB ...
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1answer
174 views

Recovery HD present but can't boot from it

I fiddled with partitions on my MacBook Pro with OS X Yosemite, but now I'd like to reinstall the OS to restore original setup. Recovery HD is there, but if I press CMD + R at boot, Internet Recovery ...
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405 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 ...
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392 views

Cannot access Recovery Mode on Mac OS X

I am using a model A1278 Mac and I need to reinstall the OS on it, or reset it. I am attempting to open the recovery mode by using the Cmd + R method but that did not work, I then attempted to use the ...
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73 views

Is there a way to recover pictures from a destroyed iPad?

An iPad mini from a friend was ran over by a car and it is completely non nonfunctional. I tried to connect it to charger to see if it was draining current but it is completely dead. There are some ...
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616 views

What I got with Recovery Disk Assistant?

Environment: Mac Mini Mid 2010. Original OS is Snowleopard Current OS is Yosemite Tool. Recovery Disk Assistant which is downloaded from Apple website. Purpose: Make a recovery Yosemite disk on ...
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156 views

Macbook Pro a1211 recovery

There was a laptop Macbook pro a1211, and at one point, covered with darkness, will not load the operating system. When loading shows a gray screen and company logo Click Startup option. There is a ...
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2answers
41 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 ...
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252 views

Reboot fails after failed disk erase when restoring from Time Machine

I have an Early 2013 Macbook Pro Retina 15" with 512GB of SSD storage. My update to Yosemite 10.5 failed for some reason and I was left with an unbootable system and severe file system errors that ...
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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 ...
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420 views

I accidentally removed all files with “rm -rf *”. How can I recover?

I accidentially deleted every single file in my home folder of my Mac using rm -rf * in iTerms. I intended just to clear one folder, but clearly did not know what I was doing. Yes feel free to laugh, ...
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1answer
154 views

Do I need the DVD to reformat 2011 MacBook Pro with OS X Yosemite

I have a MacBook Pro from early 2011 which was shipped to me with a DVD that I could use to reformat the machine, which I do not have with me at the moment. I have upgraded to OS X Yosemite though, ...
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1k views

mid-2009 macbook pro - erased. Now “Mac OS X cannot start up from this disk”. (and cannot install to this disk!)

I have a mid-2009 macbook pro, and the original 10.6.8 installer DVD that it came with. I booted up in recovery mode, and erased the HD (whether or not that was a good idea). My intention was to get ...
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49 views

Recover pictures from damaged phone [duplicate]

My iPhone 4 was submerged in water weeks ago. It will turn on, but the slide to turn on/enter password is not working so I can not access anything on the phone. I want to recover pictures and videos ...
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Can't boot after graphic error

Specs: MBP 15-in late 2011 running Yosemite 10.10.3 Background I have an external monitor that I've been using for about a year, but recently the Thunderbolt-to-HDMI adapter I have has been giving ...
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188 views

Installing OS X from Recovery - Apple ID needs to be reviewed and nothing happens

I had a problem with my hard drive. I backed-up and erased by disk. Now I can't reinstall OS X. Here's what I did: Went to Disk Utilities on startup Erased hard drive Went to reinstall OS X It wants ...
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1answer
103 views

What is a “standard” boot camp partition setup?

I am trying to upgrade to 10.10(.4) - currently I am at 10.9.5. I had previously done some "creative" :) partitioning of my rMBP SSD - everything was working fine, running Boot Camp as well. ...
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2answers
930 views

Unable to use gpt to restore efi partition

I accidentally deleted my efi partition, which I now know is bad news bears. I found a guide here to restore it without losing data, but even though I'm booting from usb and have unmounted all ...
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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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Time Machine on Mac

Does the Time Machine program backup system plus data ? Will is restore the computer exactly to what is was including both system and data (ie. emails, photos, documents) ?
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266 views

Can't boot normal or from recovery HD

Yesterday my MacBook Pro 15" Retina stopped booting. I see the Apple logo and a progress bar which gets stuck at about 10%. What I tried so far: Booting in recovery mode - same, progress bar stuck ...
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2answers
99 views

What is wrong with my mac?

Suddenly today my good old MacBook pro from 2012 won't start. I get the gray screen of death. I have tried safe boot, recovery boot and Internet recovery boot and it all results in a static gray ...
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1answer
396 views

Backing up Macintosh HD via Disk Utility (error -5344)

I am trying to backup the Macintosh HD, to my external hard drive via disk utility. I created a blank image and tried to restored my MacintoshHD to that image, but the error pops up, "Restore Failure: ...
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1answer
169 views

OS X not bootable after full restore on Macbook 12"

just got usb->usbC cable and was able to do a full restore of my backup from MBA13" (2011) Everything was OK, until reboot after recovery - recovered partition was not just bootable :( Before the ...
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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
252 views

why use yosemite bootable usb installer when you can use recovery HD for clean install?

i just re-installed Yosemite from Recovery HD. Performed a clean install as i erased my HD from Recovery HD before installing the software. Yosemite is being downloaded since a few hours but it would ...
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1answer
723 views

Slow Internet Mac Yosemite Recovery Doom (MacBook Air, Early 2015)

Product: MacBook Air(early 2015) with OS X Yosemite. The issue is, that I happen to have my Yosemite reinstalled, so I restarted my MacBook and at the sound of the chime(startup sound of Yosemite), I ...
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No disk to erase in Disk Utility Internet Recovery

Earlier today, my MacBook Pro 2013 went to the grey screen of death (folder flashing with the question mark) and now won't boot up. I started internet recovery all fine, but when I went to reinstall ...
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1answer
54 views

iPhone restore and recovery

My iPhone wouldn't accept my passcode, so I looked online, and it said to put the phone into recovery mode, then sync it to a computer with iTunes. It said to hit restore when iTunes gave me the ...
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191 views

How to Recover Lost Media Files (Photos, Music, etc) from iPhone 6 Device [duplicate]

Do you know how to recover media files from iPhone 6? I lost my photos and music by some accident.
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2answers
109 views

No entry grey screen with spinner with new SSD

My hard drive bit the dust rather spectacularly on my 2011 15" MBP. Luckily, I have a model without torx screws, so I popped it open, put in a 240 GB SSD I had lying around, and did and Internet boot ...
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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 ...
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22 views

Why does external boot sometimes boot to OS X Installer

I have some SD cards with 10.8 installed (and some with 10.10). On these I have set up a user and installed DiskWarrior and other utilities. I also have the Yosemite installer in /Applications (for ...
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207 views

How does FileVault 2 recovery key stored in iCloud work?

When requested during the full disk encryption process, one option is to store the recovery key in your iCloud account. I stored mine in iCloud, but frankly I'm confused as when I look at the drive ...
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381 views

Mac OS X Recovery Mode - Headless Access?

I have a Macbook Pro, which unfortunately the screen has died on. External displays do not work either. I can normally ssh and screenshare into the mac fine, but now need to repair the internal HD. ...
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1answer
288 views

How to use Time Machine backup when hard drive is broken?

I have a MacBook Pro which I use Time Machine to back up usually weekly. Its hard drive broke recently. I got an exactly same hard drive and installed it into the laptop. How do I restore the ...
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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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246 views

iTunes doesn't recognize iPhone 4S in recovery mode

So I wanted to wipe all my data and settings on my iPhone but the load bar didn't move for 1 hour. So I put my iPhone in recovery mode. But now iTunes doesn't recognize my iPhone. Does anybody know ...
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111 views

No menu bar or dock on OSX 10.10 after installing rEFInd and Ubuntu

Umm, yeah. I'm stuck between a rock and a hard place. See, I needed Linux for software development, and the obvious choice (while some might argue) was Ubuntu. So I installed it as dual-boot with OSX ...
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1answer
757 views

MacBook Air A1237 Recovery

I replaced the hard drive on my Macbook Air. When I press the option key while powering on it takes me to a screen where I select a WiFi network and nothing else is on the screen. I connect to WiFi ...
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1answer
35 views

Changing OS X behaviour after crash recovery

OS X tends to try and help out and reopen everything to just the way it was before it crashed. I mean this in two ways: If an app running within OS X crashes, OS X will remember the last working ...
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171 views

Copy an iPhone's disk contents (filesystem) to a computer

I like to get a clear view at how an iPhone's file system. Especially in the case of damaged data. Apart from using a professional (and costly) data recovery service, what other ways do exist to ...
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55 views

How to restore files on mac when using Linux Mint

It's seems that I somehow deleted all os x when running a live version of mint. I may have also deleted the files on the hard drive as well. Is there a cheap and easy way to recover these using a live ...
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1answer
82 views

How to install OS X again with no access to a recovery partition?

I have a Mac running Fedora with no recovery partition and no access to any computer with Mac OS X. How can I reinstall OS X on this computer?
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1answer
469 views

Create a bootable usb from Yosemite.app [duplicate]

So my problem is that my mac is not booting up. Also,the OS X recovery HD is not available. Also, the internet recovery is not detecting my WiFi .. so i intend to clean install Yosemite on my mac. I ...
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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 ...