A hard drive is a device for permanent or long-term storage in computers.

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Early 2011 Macbook Pro shut down during start up

My MBP has OSX (El Capitan... I'm pretty sure) and Windows 10 on it. The OSX shuts down during start up. It will show the apple logo and then a load bar that reaches about half way before the system ...
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16 views

Can I download files directly into alias folder for Logic Pro X?

If I try to download sound files for Logic and they are supposed to get downloaded into the folder at ~/Library/Application Support/Logic/ and I have that specific folder made as an alias to a set of ...
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14 views

OS X stopped recognizing my HFS+ Time Machine partition on my USB GPT disk

I have a 2 TB USB drive that's using GPT, but OSX (10.11.4) on my macbook pro (early 2015) stopped recognizing my HFS+ partition after I inserted a partition before it ("TESTPART"), effectively making ...
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27 views

External SSD not recognized after ejection or reboot

I have an USB external mechanical disk. It works fine, and I can remount it after ejection. Also, it is mounted automatically after a reboot, as it should be. I got an USB external SSD, too. It works ...
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19 views

Had to reinstall OS X due to corrputed journal: is this a symptom of something more serious?

I have a 13'' Macbook Pro from early 2011 with a Hitachi 320Gb. HD, using OS X 10.9.5. For the last few months, it's gotten slower and slower to become responsive every time it wakes up, and I've also ...
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32 views

Recover folder hierarchy, file names, file metadata from drive?

I'm posting this on AD because I'm using a Mac (Yosemite) to do the job. This is the situation: Friend 1 has a 600GB external HDD (FAT 32 formatted) that he has been using with Windows 7. With ...
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19 views

How to safeguard OS X Drive from accidents

While browsing i found this question Accidentally used dd on my main OSX drive Is there a way to safeguard or block these kinds of things to even run specially on my OS X Drive? Also noticed that ...
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24 views

Time Machine Network Connected to USB Connected Hard Drive

I have a Seagate 2TB hard drive that I connected to my router and have been using for Time Machine backups for the past two years. Recently I have disconnected this hard drive and attached it ...
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35 views

howto encrypt “WD My Passport Pro” online? support.wdc.com with dangerous solution (no security)

I wish to encrypt my WD My Passport Pro drive. I receive error With Google I found An error message occurs when attempting to create an encrypted backup on a My Book Thunderbolt Duo in the Mac ...
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16 views

There appears to be data corruption when copying data from the hard drive to SDCard

When I copy some files from my hard drive to my SD Card the files become corrupt. But not all of them and not all the time. I get the following error: Unidentified codec VLC could not identify ...
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35 views

Blinking “forbidden” and “question mark folder” symbol. SATA cable is the problem?

A couple days ago my macbook pro mid 2012 was running perfectly, with a SSD drive that I,ve installed about a hear ago (I also updated my ram up to 8 gb). The day after that I turned on my computer ...
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88 views

Revert Apple CoreStorage volume back to Apple HFS

I have a computer that is encrypted with Symantec PGPWDE. A scripting error occurred when trying to decrypt the system and remove PGP and convert the disk to CoreStorage to prepare for using file ...
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59 views

El Capitan keeps creating new mountpoints for external drive

I am new to Mac, I used Linux before and I am experiencing troubles with my external HDD (NTFS formatted). I used osxfuse to mount it as read write (via ntfs-3g) - I used tutorial from this site ...
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34 views

Mac OSX installed in 2 Hard Disks. Want to Remove applications and OS from one

I have a 13" Macbook Pro (Mid 2012) (El Capitan). Recently, I replaced my Optical Drive with a Samsung 250GB SSD. After some days, when I booted up my Mac, it showed white screen and quick google ...
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37 views

System Crash with El Capitan

My Mac, which stays powered up 24/7 just crashed. I recently installed a second ssd in it, so I'd like to know whether the following is related with the disk. Thanks. Sat Mar 12 01:28:06 2016 *** ...
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47 views

SSD reporting SMART failure on Wear Leveling Count - but investigation seems like it is within threshold

I have owned this MBP for about 1 year 6 months, and for the past 8-9 months or so it has been telling me the start up disk has critical errors and that i need to replace it. I have ignored these ...
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18 views

MacBook Pro 17" Late 2011 - Does the Optibay support SATAIII SSD?

I have a Late 2011 MacBook Pro 17" with an SSD in the main drive slot and a HDD in the optibay. Yet I was interested in installing a RAID0. I have checked with system profiler to see that, of course, ...
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33 views

Drive stays mounted for just a couple of seconds

I have an externa WD My Passport Pro disk configured as two individual 2 TB disks. After I erase it (Journaled, Encrypted, Case insensitive) it is mounted and immediately unmounted. Disk Utilities ...
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34 views

Does my stuck shift key affect the proper boot of my installation mediums?

I have a late-2009 unibody Macbook Pro. My left shift is stuck for ages and I have been avoiding this problem by pressing some other keys during boot to avoid safe mode and by using Karabiner to remap ...
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25 views

Can I make my external drive stop being busy so I can repair it?

I have an external drive that shows up in Finder (Yosemite -- 10.10.5) with it's top-level folders visible and correctly named, but the folders are shown as empty even though the drive shows the ...
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20 views

Might have spoiled the flash drive while trying to create a bootable disk on Yosemite

Basically I was following the steps given in the following site: How to create a bootable USB stick on OS X I did not get a screenshot of the terminal, but when going through step 8, it was ...
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53 views

Need help fixing hard disk partition map

I have a 500GB Samsung 840 PRO SSD drive. Until recently it was the primary hard disk in my Macbook Pro (late 2011 17"). I got a 1TB SSD which I decided to use as my primary drive instead, and put the ...
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49 views

Delete button for partition not clickable in Disk Utility

I had another partition on my MacBook where I had Windows installed (the partition is called BOOTCAMP). I am not using Windows at all any more, so I would like to delete the partition on my hard disk ...
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48 views

Western Digital - My Passport Pro 4TB Drive won't stay mounted in JBOD Mode

I have a WD My Passport Pro, currently having issues as I need to encrypt the drive in order to protect the data I am going to store on it. I am aware that this will not be possible with the drives ...
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35 views

Debugging verbose boot mode

My issue is that a MacBook Pro (mid-2012) started to have problems booting up today so I'm trying to debug the boot process by running it in verbose mode. The problem is I can barely read what it ...
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189 views

Can't make new partition due to error “volume Macintosh HD was found corrupt and needs to be repaired”

When I run Disk Utility on my 2012 MBP (SSD, running El Capitan) I sometimes get the error: The volume Macintosh HD was found corrupt and needs to be repaired. Other times, I get no errors. ...
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46 views

Startup disk space mysteriously being consumed

Lately, my Mac OS X Yosemite has been having this weird issue where my startup disk keeps getting consumed by an unknown source. Every time I restart my computer, the disk space would come back ...
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31 views

Flashing Folder with question mark

Was getting this error and figured I had a bad hard drive, so I put a new Samsung SSD in my MacBook Pro 13. However when I try to install new OS X using internet recovery I can't find the SSD. The ...
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24 views

Install Windows to portable hard drive?

I'm trying to install windows on a portable 1tb hard drive and boot it via boot camp on the same hard drive. Want to know if this is possible? My main motivation is due to my school having mac pros ...
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42 views

External disks are recognized as internal ones by my iMac

When I connect portable USB disks to my iMac via a USB hub, my iMac always recognize them as internal disks. Like this, However when they're connected directly to the USB ports on the back of my ...
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40 views

Cannot create a dmg file and save it onto a usb flash drive. Error: Unable to create “ ”. (Operation not Permitted)

I currently am trying to create dmg files from folders inside my 128 GB flash drive. I recently re-formatted it into the exFAT format. The folders I am trying to convert into a dmg file are around 15 ...
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62 views

Cannot change startup disk - Yosemite

I've got a clean install of Yosemite on a brand new hard drive. All good, up and running (got to boot to it manually). As the title says, I can't get the system to boot from this hard drive. Error ...
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31 views

How to be sure that I installed the fusion drive properly?

Hello guys I would like to know how to be sure that I properly installed the fusion drive because last night I bought an iMac but I had to reinstall el capitan for reasons but since I'm a newbie I ...
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16 views

Can a backup HD be erased despite it NOT being able to be “unmounted”

An external portable HD simply stopped working [no longer recognised by my Mac] so I took it back for warranty replacement. He couldn't read or "unmount" it either [whatever that means] so I just said ...
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24 views

How can I fix my external HDD?

So, my mac suddenly restarted because of an error. I was downloading some files in my external HDD when it happened. When my macbook started up, I could not open my external HDD, I tried to repair it, ...
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115 views

How to recover corrupted HFS+ partition in external HD?

I've got a 1 TB SeaGate FreeAgent Drive with following partitions: 700 GB ExFAT (labelled as FREEAGENT1) 300 GB HFS+ (labelled as FREEAGENT2) While moving data from 1 to 2, it got accidentally ...
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213 views

How to mount a disk that was not ejected properly?

I am using OSX El Capitan 10.11.2 I have an external Western Digital of 1TB When I ejected I did not do with the properly way and now I am not able to mount I can see the disk here But when I ...
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224 views

External Hard drive are always readonly, even HFS+ and FAT32 format

I am running in to a peculiar problem. I have 3 external hard drives and few weeks back, I may have ejected one of them ungracefully. Ever since, they all are getting connected in read only mode. I ...
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80 views

M.2 SSD Adapter for Mac Pro Tower

I'm in the process of buying an used 2012 mac pro. Now, I noticed that on ebay, many of them are offered with M.2 (Pci-e) SSDs, which indicates they have been equipped with a M.2-to-PCIexpress4x ...
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143 views

NTFS Disk “failed to mount”

I have an iMac running El Capitan, and an external disk formatted NTFS that will not mount on the mac. It will mount perfectly in Windows and Ubuntu. I'm not trying to write to it, right now I just ...
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61 views

How to open a NTFS disk image file in OS X

I have a failing external HDD that I cloned to a working external HDD by making a disk image of it. Unfortunately, that cloned disk image file (and the original HDD) are of NTFS format. (I ignorantly ...
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69 views

Mac HD unmounted and cannot be repaired. Can I still backup to an external drive?

My Mid-2012 MBP running on Mavericks has been slow lately--one day it crashed and I had to force shut down. When I turned it back on, it automatically booted to Utilities OSX without giving me options ...
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24 views

access crashed mac hard drive through USB connected to PC

i pulled the hard drive out of the mac and connected it via USB to my PC. I have downloaded and tried to view the disc using MacDrive10 and HFSExplorer. neither of them show that the disk is even ...
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17 views

Can't remove partition on Macbook

I can't delete a partition on my macbook. On my main hard disk, I selected the partition I want to delete however I can't click on the '-' symbole. I already read a topic talking about a similar ...
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15 views

Why are extenal HDDs attached to my TimeCapsule shown as empty?

I have attached an external USB HDD to my TimeCapsule. The disk is HFS+ formatted and contains some 100GB of data. When I mount this disk on my Mac, via the TimeCapsule, it shows up as empty. When I ...
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44 views

MacPro internal HD unreadable when moved to external USB Dock - and vice-versa

Since I just installed a NAS, and I want to transfer several TB from my Mac Pro's internal hard disks (4 of them), I wanted to make it faster by connecting those hard disks directly to the NAS using ...
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493 views

Finder reports error code -36 when copying some files

I have a 4.6GB file on my hard drive. Today when I tried to copy it to another machine through network, I got the following error message from Finder halfway through the copy: The Finder can't ...
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52 views

Can I change the filesystem of a drive from ext4 to hfs+ without formatting?

So my one drive is ext4 formatted but I would like to read and write to it from OS X 10.9 The only thing I can do is use osxfuse 2.8.2 to make the drive read only at the moment.
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58 views

Encrypted hard-drive I can't reformat in Disk Utility

I have an external HDD I wish to reform (erase) so I can put inside my MBP and make a DIY fusion drive. I've done the fusion drive before but Apple made me remove it for a logic board replacement. ...
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713 views

Apple Hardware Test result: 4HDD/11/40000000: SATA(0,0). But repaired Disk and Permissions w/o a problem

Ran an Apple Hardware Test. Result: 4HDD/11/40000000: SATA(0,0). Then repaired Disk and Permissions. Result: Volume appears to be okay. But during use, sometimes it freezes randomly and my MBP ...