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Questions tagged [data-recovery]

Data recovery typically implies that data is lost by deletion, encryption or hardware error.

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49
votes
2answers
51k views

how to check if it is safe to delete iNode file (or how to inspect its contents)?

How do I check if it is safe to delete the following file? $ cd /lost+found/ $ file iNode44670523 iNode46670523: xar archive -version 1 Note: the date of the file indicates it is about 1 year old. ...
36
votes
8answers
121k views

Best way to copy all files, ignoring errors?

I have a partially corrupted HD that can not be repaired by Disk Utility, but which can be mounted read-only making the data on it accessible. I am trying to copy all the recoverable contents onto a ...
23
votes
3answers
127k views

What are next steps when fsck reports “could not be repaired after 3 attempts”?

My Mac Book Pro 13.-" doesn´t get past the grey booting screen with the apple and the spinning wheel (The loading bar appears but when it´s done nothing happens) I have 220 GB in one single ...
17
votes
10answers
1k views

Do you have a backup policy that covers the Worst Case Scenario?

I've a lot of photos and videos of my children. I feel that losing those pictures would be a real pain for me and my family. In the past I use to make, from time to time, a DVD with all my digital ...
14
votes
2answers
148k views

How can I delete everything from my MacBook Pro before selling it?

I have a Mac that runs Snow Leopard and I intend to upgrade it to Mountain Lion and sell it on ebay. However, I only have one hard-drive, and I'm sure I can't use something in my OS to delete my OS ...
13
votes
3answers
41k views

Backup files from Terminal in Recovery Mode

I want to transfer files in Recovery Mode https://support.apple.com/en-us/HT201314. I opened Terminal in Recovery Mode and tried to copy files to external hard drive. I use this code // I used cd .. ...
12
votes
4answers
655 views

What's a good way to wipe a hard drive for resale?

I'm selling my MacBook and would like to wipe the hard drive in such a way that the current data can't be easily recovered after I reinstall OS X. Can you recommend a free tool to help me do this? ...
10
votes
5answers
45k 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 ...
9
votes
4answers
5k views

Why have 5 different iMacs developed corrupt OS X partitions when the physical drives are fine?

I'm a tech for my local school district and we are having some problems with our iMac Multimedia Lab. Over the past nine months, 5 of the 22 iMacs have suffered from filesystem corruption. The only ...
9
votes
3answers
18k views

Notes.app - how to access history?

Since notes.app seems to accrue a "rolling history" of data and doesn't automatically save out versions of your files to disk in any reasonable way (date stamped, etc), I was wondering if anyone knows ...
8
votes
7answers
43k views

Can I reinstall a single iOS app without losing its data?

I have a single app that needs to be reinstalled. I have tried all tricks known to man in attempts to get it to work, but all have failed. There is a lot of data in this app that I'd rather not lose. ...
8
votes
2answers
1k views

How can I copy data from an external HDD that is about to fail?

I have an external HDD that is about to fail. I want to copy as much as I can to a new external HDD before it completely dies. I've been able to start copying files for a few minutes before the drive ...
8
votes
1answer
874 views

Can I Recover an Erased Time Machine Disk?

I erased (not deleted) the entire Time Machine disk by accident in Disk Utility instead of another disk. Under "Security Options" it was set to "Don't Erase Data", so I would think that it means the ...
8
votes
1answer
26k views

How can I recover notes missing from the Notes app?

I recently opened the Notes app and found that about a month's worth of notes are missing. There is a gap between August 5th and September 3rd. (This time period includes a note I wrote while in an ...
7
votes
2answers
83k views

Recover iPhone backup manually from iCloud

I had the misfortune of a stolen iPhone 4 a few months ago. In the interim I've decided not to get a new iPhone. I can view my iCloud storage page and see there is a 1GB file there. There are random ...
7
votes
2answers
3k views

How to recover a deleted file on Mac OS X?

We have tried Boomerang but it does not find the deleted file. The file was deleted 3 days ago. I would think it is recoverable, but Boomerang does not show it. Any help would be appreciated.
7
votes
3answers
29k views

fsck and Disk Utility won't repair Volume: invalid b-tree node size

I accidentally wrote some .iso data to a disk through dd by mistake. I cancelled the command after just 2 seconds but that was enough to wipe the first EFI partition (200MB) and a bit of the second ...
6
votes
5answers
2k views

Data Recovery for Accidentally Erased Hard Drive

I accidentally erased my hard drive in my 2010 MacBook Pro that had all of my information, photos, contacts, you name it... is there any way I can recover my data that was on my MacBook before I ...
6
votes
3answers
231 views

Recovering Notes from Water Damaged iPhone

I washed my iPhone SE with my clothes in the washing machine on warm for about an hour. It didn't go through the dryer, but sat in the wet clothes for an extra hour after the cycle was complete. I ...
6
votes
4answers
26k views

Recovering data off of a dead hard drive

My hard drive died in my macbook and it no longer will start up. It will not mount in an external enclosure but disk utility is still reading that the hard drive is there, and I tried to repair disk ...
6
votes
4answers
9k views

Recovering an accidentally deleted folder in OSX - no Time Machine or backup available

I am a longtime Windows user, recently switched to Mac. I replaced folder with another folder (they had the same name) thinking that OS X will merge the contents of both folders. But OS X deleted the ...
6
votes
4answers
62k views

Can I recover a deleted iCloud note?

I'm syncing my iPhone's Notes to iCloud. If I delete one of these notes, is it permanently deleted, or is there a way for me to recover it?
6
votes
1answer
2k views

How can I recover files from a failing hard drive?

I am in the process of trying to recover files from a failed MacBook hard drive. While I've already replaced the drive in the machine itself and installed a fresh copy of OS X, I have the old drive in ...
6
votes
1answer
119 views

Securely erasing all data on iPod Classic so that it cannot be recovered

Restoring iPod Classic would not work because it simply erases "offsets" to data. Is there any software dedicated to this? Since iPod Classic has many system files on the root, I'm not able to use any ...
6
votes
1answer
450 views

Missing Time Machine Files caused by FSEvents Failure?

I recently did a clean install/upgrade to Mac OS 10.8.2. I did a final update of my ongoing Time Machine Backup and verified Disk Integrity. After reinstalling and restoring my files, I have learned ...
5
votes
3answers
76k views

How to copy files from an unbootable Mac?

My MacBook Pro (2008) will not boot, so I want to copy some files before reinstalling Lion. How do I do this from the Recovery disc?
5
votes
3answers
4k views

Recover deleted Encrypted OS X Extended volume

I accidentally formatted an external 1TB HD to FAT file system using Disk Utility in Mac OS. The disk used to be HFS+ encrypted. Encryption was done when I created the OS X Extended partition, not ...
5
votes
5answers
20k views

photo recovery after iPhone “Erase Data”

Is there any way to recover the photos from an iPhone which has been "erased" after several consecutive failed passcode attempts? Unfortunately, these photos were not backed up. Apple techs ...
5
votes
5answers
28k views

Locked iPod Touch, any options besides total system wipe

My 2 year old daughter goofed with my son's iPod Touch and locked it out. The message says that he can try again in 22,566,234 minutes, which is a heck of a long time. He is 8, and has lots of photos ...
5
votes
2answers
63 views

iPhone not turning on, not responding to hard reset, not responding to charger

About 2 days ago, my iPhone 6 decided to stop working. I tried to see what the error was but it decided not to respond to a charger, it would not respond to a hard reset or even when I tried to ...
5
votes
3answers
11k views

Any way to recover data from a semi-bricked iPhone?

My iPhone turns on, shows the white apple logo, and then after a few minutes shuts off. It is not a battery issue, it happens even when it's plugged in. Is there any way I can get the data off the ...
5
votes
2answers
6k views

How to recover data from iPhone backup files WITHOUT the info.plist, status.plist, manifest.plist, manifest.mbdb, and manifest.mbdx files?

I have iTunes 10.5 and Mac OS X version 10.6.8. I would like to restore my iPhone from backup. iTunes detects all my backups EXCEPT one, which happens to be the backup I want.  I looked in the ...
4
votes
1answer
1k views

Size of /Users folder is way too low, where is my data?

My client called me because she had spilled some water on her MacBook Pro Retina. We did all the standard things: turned it off, unplugged it, turned it upside down, etc. She brought it to me and I'...
4
votes
2answers
1k views

Find and remove all photos below a certain size threshhold

So, I had a relative's hard drive collapse, and I've used photorec to look for the most obvious files to retain (fortunately they only had pictures on the computer, everything else was cloud-synced, ...
4
votes
2answers
10k views

Switch back to HFS+ from APFS

Recently I heard about new apple file system. Of course I wanted to try it. So I moved all files to one external hard drive for safety... And accidentaly switched it to APFS... How to revert changes? ...
4
votes
4answers
45k views

Recovering lost notes on iPhone 4s

Some of my notes have disappeared from my iPhone 4s. I haven't made any backup and contents of those notes are very important to me. How can I restore or at least access some of my lost notes? (My ...
4
votes
2answers
43k views

Backup to External in Recovery Mode (Terminal or Time Machine)

Out of the blue, my iMac (late 2010, running El Capitan) started refusing to boot. The progress bar would take forever to reach 100%, and then it would just stop there once it reached it; all the ...
4
votes
1answer
674 views

How to recover files from the home directory that malware removed on OS X 10.10.5 Yosemite?

Two days ago, somehow, my Mac running OS X Yosemite 10.10.5 got infected by malware and it deleted almost all my files from my home directory. I have no idea how it happened (it wasn't because clicked ...
4
votes
2answers
4k views

How to fix a corrupted .txt file

After my hard drive was formatted by a mistake, I used a data rescue software to recover some files, but when I tried to open my notes and bookmarks files, it just showed weird characters like these ...
4
votes
1answer
208 views

Can a disk's catalog directory be recovered after a Quick Erase?

A disk's data directory seems to me to be the most vulnerable Achilles's Heel to protecting data. With the 2 clicks of an accidental quick erase and format via Disk Utility, the roadmap to ...
4
votes
1answer
501 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
663 views

Is there a way to rescue the contents of this messed up Fusion Drive?

I got a Mac in to support with a weird problem with a Fusion Drive. Basically it looks like this admins-iMac:~ admin$ diskutil corestorage list CoreStorage logical volume groups (1 found) | +-- ...
4
votes
1answer
670 views

Recover deleted files from MacBook Retina's SSD

I need to recover deleted files from my MacBook Retina. The files were deleted by an app update and didn't make it into the Trash. Is it possible to recover files from an SSD? I have used programs ...
4
votes
1answer
152 views

What do I need to read/recover data from the hard drive of an Apple II CX?

My father bought an Apple Macintosh II CX in 1990 and it survived until 2010, when the main harddrive broke down and despite trying multiple times, booting from floppy disks failed for an unknown ...
4
votes
1answer
3k views

MacBook does not mount, does not boot, does not read drive

When i press alt on my MacBook during startup, it only shows a disk that i used to have Windows installed (which is now empty). I erased that disk when i was last logged in on OS X. Then i tried to ...
4
votes
1answer
2k views

Are .apple files potentially synonymous (or a wrapper to) .dmg files?

We lost a .dmg file on an harddrive. Our tech guy was able to recover files from the drive but not one of them is a .dmg file. But they are a lot of .apple file. Can the .dmg file we are looking for ...
4
votes
2answers
4k views

Recover partitions or data after partition map becomes corrupted (HFS+)

So back story about my hard drive. I bought a USB 3.0 enclosure and a well rated and trusted brand WD 2tb hard drive to put in it. For many months now it had been running flawlessly on my iMac, ...
4
votes
0answers
182 views

Recover data from external hard drive partition Mac OS X

A couple of weeks ago, I dropped my external drive while a program was writing data to it. The drive seems to spin up fine, without beeps/scratches. The drive also has EFI and Recovery partitions. One ...
3
votes
3answers
7k views

Single-user mode, data recovery, mount usb

I have a crashed hard drive. I had no luck with a USB to SATA using MacDrive Pro. I can get the drive to drop into shell with single user mode when I boot the drive. Can I mount a USB drive or ...
3
votes
2answers
374 views

How to make sector level copy of external hard drive with FileVault 2 enabled?

How do I make a "sector level" copy of a 4TB external hard drive that contains Filevault 2-encrypted partitions? The hard drive has three partitions each encrypted using Filevault 2. I have all three ...