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

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macbook mid 2010 13" won't recognise ssd crucial mx200 HD 500gb placed in the optical drive

I have a macbook pro 13" mid 2009 2,26GHz with HDD 160gb. I recently replaced my optical drive with a crucial SSD 240GB and it works really good and it was quite an easy process. Now i am trying to do ...
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2answers
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OS X: Can I track what files are being accessed on a disk?

I have several external hard drives. They're consumer drives which "go to sleep" (spin down) automatically when unused; I can't (and don't want to) run them 24x7. I use them strictly for backup and ...
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702 views

Automatically open mounted volumes in Path Finder

I may just be missing some simple setting, but if I mount a volume in Path Finder, it never switches to show me the contents of the volume. I have to manually click the volume in the sidebar. Is ...
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2answers
2k views

EFI system partition repair

I'm having a problem with the internal SSD on one of my Macs running 10.10. It was working fine when I was browsing the web one day and then suddenly froze with the spinning beachball; I couldn't ...
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2answers
11k views

I want to install Windows 7 on an external drive

I've read two articles about booting Windows from external drives as opposed to a stock Bootcamp install. Here are the links: http://kevtg-compuproductive.tumblr.com/ http://bleeptobleep.blogspot.fr/...
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1answer
97 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 ...
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1answer
1k 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 ...
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4answers
87 views

Macbook Pro Mid2012 Lags

I have a macbook pro mid 2012 and recently I upgraded it by changing the RAM to 16GB and HDD to 500GB SSD. It was fine for a while but now it lags a lot whenever I play any games or even when I am ...
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10 views

problems with computer itself due to improper disconnection of disk?

I know if a disk is not ejected properly, that can cause corruption or data loss on that disk. But can it cause problems with the Mac as well, such as with the file directory? And if it did cause ...
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1answer
13 views

Mac keeps booting into disk utilities

my mac kept getting stuck on the apple logo when booting up so I went into recovery mode and formatted the disk and installed OS X again. But for some reason it is not booting normally when I switch ...
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1answer
91 views
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Sometimes Mac doesn't recognise my external hard drive

I have a Western Digital My Passport Ultra 1 TB external hard drive that is formatted FAT32 and a 16 GB Silicon Power USB thumb drive and both of them uses USB3 but my MacBook Pro sometimes doesn't ...
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3k views

Need help with iPod Classic hard drive diagnosis

I've started diagnosis mode on my iPod Classic and went to SMART DATA. It showed me this on the screen: Retracts: 58 Reallocs: 16376 Pending Sectors: 0 PowerOn Hours: 643 Start/Stops: 8781 Temp ...
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1answer
17 views

New uninitialised SSD not showing in Disk Utility

I have bought a new Samsung EVO 850 SSD, it is yet unformatted. I have a SATAI/II to USB3.0 dock which I want to use to get the drive formatted, but it is just not showing up in Disk Utility (Recovery ...
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1answer
49 views

After update OS X EI Capitan, external hard disk format changed

I always use the same external hard disk on my Mac formatted as OS X Extended (Journaled). After upgrading my OS, it's recognized as NTFS volume now. What should I do?
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4answers
141k views

How do I make the hard drive visible in the Finder?

On OS X Lion I don't see the hard drive in the Finder and I seem to have no permission to create a folder under / from terminal. I know I can do this if I activate the root user, but I need to be ...
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0answers
8 views

Cannot resize Macintosh HD using (supposedly) available free space

I partitioned my hard drive in order to install Ubuntu, but I now would like to reclaim that space and add it back to my Macintosh HD. I managed to delete the Linux Filesystem and Swap, and Disk ...
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2answers
207 views

Mac Mini 2014 hard drives

Do the Mini 2014 mechanical hard-drive versions have an M.2 ssd slot on their mainboard? EDIT: Let me clarify: the fusion version have a M.2 SSD on the mainboard slot and a 2.5" mechanical drive. ...
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How do I maintain/extend the user access control from my internal hdd on an external hdd?

I attached an external Firewire HDD do my iMac and want to maintain or extend the user accounts and group structure that I have setup on my internal HDD to my external HDD. How do I go about that? Is ...
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2answers
18k views

external hard drive found only by disk utility, cannot eject or mount

I'm using a Seagate GoFlex that seems to have encountered some trouble. The drive does not appear on the desktop or Finder. I've double checked that Finder > Preferences allows for it to appear in ...
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9 views

Can not boot anyway to restore files

I can not get my Mac Book Pro to boot. It will only boot in Recovery mode. I am assuming I need to reinstall the OS but anyway to save files? What if I connect the hard drive to an enclosure and ...
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20 views

Cannot Enable Jounraling (OSX Lion 10.7.5)

so I am trying to enable journaling on my main disk. I booted up from a thumb drive with OSX installed on it and opened disk utility, and the button enable journaling is greyed out and unclickable. It ...
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2answers
26k views

Hard drive died, how do I get the OS X on new hard drive? [duplicate]

I have a huge problem. My hard disk seems to be dead. I did a lot of things but I guess it's really gone. The thing is that I don't have CDs o DVDs of the OS X Lion (it's a macbook pro A1278 bought in ...
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1answer
11 views

“Startup disk” in “About this Mac”

I noticed that on when I go into "About this Mac" on my iMac I see a parameter named "Startup disk" while on my MacBook I do not... Is this because I have multiple disks in my iMac and only one in the ...
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1answer
2k views

How to Fix Disk Utility Getting Stuck on “Verifying storage system”

Okay, had a brief power outage today that shut down my computer and external drives, so I figured I should run a quick disk check just to be safe. However, when I run try to verify with Disk Utility, ...
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Deleting a hard drive protected by password with Mac OS X Yosemite

I recently changed my hard drive for a SSD device. The removed storage device can be used as an external drive, via USB. I want to delete everything on this HD, but it is asking me for a password when ...
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2k views

Looking for OpenSource Cleaning / cache deleting application for Mac

In the times of small SSD harddisks, I was looking for an open source software to delete caches and other space wasters like logs, unused application remains and such on Mac OSX, and all over the web ...
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2answers
2k views

External drives won't mount on restart

One of my staff just got a new Mac mini with the USB 3 ports and Mavericks. It has 2 Seagate GoFlex 3TB hard drives connected: 1 for Time Machine, the other for Dropbox files. When the computer is ...
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1answer
2k views

Time Machine Restore Button Greyed Out For External Hard Drive

I recently brought my computer (Mid 2010 Macbook pro) into the Apple Store because it had been crashing recently. The first time I brought it in, they did a clean wipe of the hard drive and restored ...
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2answers
43 views

Hard Drive not showing up in Disk Utility

So I arrived home from school today and wanted to use my iMac, but somehow it wouldn't react. I pressed the power button until it shut down (or crashed...) and rebooted it. After rebooting everything ...
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1answer
34 views

Why does my external harddrive not work when attached to this USB3 Hub?

I own a Macbook Pro 15" Mid 2015 which supports USB 3.0 and bought a Western Digital 2TB external USB3 harddrive and a USB 3.0 Hub from Anker with external power supply. When I plug-in the harddrive ...
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21 views

External Hard Drive Not Showing Up after dragging it to Terminal?

So from the left side of the Finder I accidentally dragged my external hard drive and now it doesn't appear there. I would like to see it there, I know it's reading it because I did an ls /Volumes and ...
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2answers
7k views

How do I add icons to my menu bar?

I would like to know how I could add a USB eject button or battery power indicator to my menu bar on Mac OS X. I remember going into my Macintosh hard drive but I can't remember which folder to find ...
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8k views

WD MyBook appears as read-only

My WD MyBook Essential with USB 2.0 appears with read-only permissions. I set the drive up on my old Vista machine, and when Vista began crashing, I switched to Ubuntu. I still have the Ubuntu machine,...
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1answer
25 views

Can't log into my MacPro user account

I have an older Mac Pro in 10.11. After a minor update, I can no longer log into my main user account (which is a standard account) with all my files; the rotator goes indefinitely. I can log into any ...
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2answers
37 views

Swapping HDD RAID 1 with SSD in Mac Mini

I have a Mid 2011 Mac mini with 2x 500G HDD configured as RAID 1. Recently one of the HDD died. I planned to replace the dead HDD with a 500G SSD, and let the RAID 1 rebuild Is this a viable ...
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1answer
22 views

Should I have my Mac on until “external” hard drive encryption process is done?

I have a MBP 2012 and replaced the internal hard drive with an SSD and the SuperDrive with a 1TB HDD. I'm encrypting my 1TB HDD. Should I leave my Mac on until it's done? Does OS X pause the ...
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61 views

“Operation can't be completed because item with name already exists” error with Paragon NTFS

I reinstalled Mac OS X El Capitan 10.11.5 on my 2013 MacBook Pro, today, and I've been having an issue copying files from my NTFS formatted external drive using Paragon NTFS. This issue was not ...
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1answer
36k views

How to recover my harddrive if I can't see it in the disk utility

I have a 2007 aluminium iMac which I upgraded months ago to Mavericks. Today it locked up and I held the power button to shut it down and cannot get it to start again. I get the flashing folder ? icon ...
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1answer
30 views

Time Machine External Hard Drive stopped being recognized

So I got a 2015 rMBP last year and also got a WD MyPassport External Hard drive with it for Time Machine backups. It ran perfectly a few times a week until yesterday when I plugged it into my Mac. It ...
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5answers
58k views

I can't write to my flash drive, and it is already in the MS-DOS (FAT) Format. Why?

This is my first question on this website. I am using a Mac Air, and I have a flash drive in which I can read from. I am able to copy files from this onto my Desktop, or anywhere on my computer for ...
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1answer
46 views

Screwed up my 1TB HD iMac27 - I am running OSX 10.11.5 need to rebuild it in Terminal

** Not sure what I did but I need to regain the space on my 1TB HD. I have made a full back up and need to know the step by step commands in TERMINAL to do this. As you can see I have access to only ...
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1answer
44 views

Bootcamp - Lost 200GB as Bootcamp froze on “while partitioned” for 5~ hours

I was installing Windows 10 via Bootcamp on my iMac (27-inch, Late 2013) running OS X El Capitan - Version 10.11.4. What happen was yesterday Bootcamp froze on "while partitioned" for around 5 hours....
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2answers
2k views

Does Mac have something similar to a Linux loop device?

I am trying to work with some cd and hard drive images that I will run inside of QEMU. On Linux, I mount the images using the losetup command, but I notice Mac does not have this. Is there something ...
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1answer
5k views

Fixing a broken hard drive's partition map

I have a drive that is corrupted. Disk utility could not repair the disk, so I attempted to follow some tutorials and repair the partitions using pdisk and testdisk, but things have gone south. Now ...
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8k views

iMac Startup I/O Error Despite Successful Disk Repair

My Early 2008 iMac with OSX 10.8.5 no longer boots beyond grey screen with spinning gear. Verbose mode shows a load of I/O errors. Disk Verify/Repair run via recovery partition completes successfully, ...
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1answer
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How to repair HFS+ partition?

So somehow my 2013 Retina MacBook Pro's internal SSD went and got its partition map messed up. I was using it, put it to sleep, and when I woke it back up about an hour later I was presented with a ...
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1answer
43 views

Hard Disk problems, unsure of how to proceed

A couple of days ago, I closed the lid on my 2012 MBP running El Capitan with Samsung Pro 830; it had nearly no power left. Power ran out while I was closing the lid, I suspect, so I plugged it in, ...
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5answers
706 views

Mac Application to defrag my Mac drive

I work on media files as per my profession. I find my Mac (Mac Lion) going slower day by day. I think it will be beneficial to defrag the drive but didn't find any Apple tool for it. I want a an ...
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2answers
1k views

Repair MBR (Windows 10) from OS X

I've messed up my system yesterday. On my iMac I have installed OS X and Windows 10 using Boot Camp Assistant. The Windows MBR is damaged and I can't start it anymore. I get a black screen with the ...
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2answers
141 views

Why won't my Mac Mini with boot camp Windows 7 boot if I plug in a thunderbolt disk drive

I have been using a previous generation mac mini server as a Windows 7 machine for the past two years without any issues. It was set up with boot camp and Windows 7 professional loaded on the internal ...