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

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Will I be able to access my Time Machine backups after changing Hard Drive

I have a 2010 MacBook Pro - I am planning on swapping out the Optical Drive for an SSD in the near future, and then re-installing OS X across the Hard Drive and SSD (in a Fusion Drive format). I have ...
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11 views

Change write permissions on internal HD outside of OS

I have a late 2009 iMac with a 1TB internal HD. I am unable to boot the OS however when running disk utility, through target boot and booting into an external HD, I am unable to repair, erase, ...
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28 views

Missing hard disk space

I'm trying to figure out where my missing hard disk space is going. I'm using du and df from the command line and there seems to be a clear discrepancy. So here's the du output: $ sudo du -h -d 1 / ...
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31 views

Hard Drive Space Eaten Up Daily. Think Crashplan may be a reason. Need Help

I've been suffering with this for weeks. I'm running Yosemite on a 15" MBP. I am told daily that I have no more disk space and no matter what I end up deleting I'm left with 1GB minutes later. About ...
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32 views

Caching HDD Files on an SSD

Given a system with a fast internal SSD, and a slower external HDD, is it possible to improve the HDD's performance using free space on the SSD without creating a Fusion Drive? In my case the external ...
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12 views

DriveDx shutdown count is very high

DriveDx claims that there have been 2051 power cycles on my Fusion SSD in 17 months. For the Fusion Hard drive part it claims 6402 power cycles count. SSD power on time has been 12250 hours and ...
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185 views

Moving iPhoto to external drive on a MacBook Pro (Retina, 13-inch, Mid 2014) with 8 GB 1600 MHz DDR3

I bought a Seagate external HD 500gb with my Mac. Recently started using Photoshop and Lightroom, which take up a ton of space. I was thinking of moving my entire iPhoto to the Seagate to free up ...
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42 views

Flashing folder at start up, all recommended troubleshooting has failed

I really hope someone might be able to help with this cause I am getting frustrated beyond belief. I have a MacBook Pro with Mavericks OS X 10.9. About a week ago it crashed while I was printing, ...
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52 views

MacBook Pro SSD boot issues

So I have a MacBook Pro (Late '12), has run seamlessly with all OSes that I have put on it, (not to say that this problem is due to the OS). (I'm trying to be as detailed as possible so bear with me.) ...
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32 views

Time Machine file structure?

I have a drive used only for Time Machine. The drive is 3TB, with 1.75TB showing available, so TM actually has used only 1.25TB, yet the total reflects 50+ backups of 80GB each. The question is - ...
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17 views

File in /.Spotlight-V100 on bad block

So I have a file /.Spotlight-V100/Store-V2/9ED490D0-6169-4B28-A1B6-46E34ABD0CD1/5.indexPositions which when read causes an IO error disk1: I/O error. 0 [Level 3] [Facility ...
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56 views

OS X Yosemite always mounts usb-hdd to the new folder

I have a Seagate Free Agent HDD drive with NTFS formatted. Since there was trouble with writing to NTFS partition in Yosemite, I've installed OSXFUSE from dmg package and ntfs-3g from homebrew and it ...
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9 views

“recovery system can't be created” Now the only option I have on start up is the “installer” which gives me this error [closed]

I was trying to reinstall OS X but during the installation I received an error asking me to restart and try again. It said that the recovery system can't be created. So when I try to get into the ...
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2answers
211 views

I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp)

this is a somewhat similar post to this one (Can't create partition on free space with Disk Utility) but not quite... It started with me creating a BootCamp partition (around 145 GB) for Windows ...
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1answer
69 views

What does “EFI system partition couldn't be created” mean?

When trying to click "Repair Disk" on an external hard drive from Disk Utility, I got the following error message: ... Repairing the EFI system partition's file system Updating boot support ...
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30 views

Stymied trying to repair disc [closed]

Here's the problem I'm trying to solve: I installed a game on my PS3 and it corrupted the drive. I installed the same game on my other PS3, and it corrupted the drive. (I sense a pattern here.) That ...
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1answer
12 views

Apple store question about installing new hard drive

I plan to make a trip up to the apple store tomorrow. I need them to put in a new hard drive in my Macbook Pro mid-2010 15". Do I need to make an appointment with them? or can I just show up and drop ...
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1answer
16 views

Convert Mac Pro internal boot drive into an external harddrive without wiping

I have a 2008 Mac Pro running Yosemite. I just purchased a solid state hard drive which I want to become my boot drive. I do not want to transfer the data from the original boot drive to the solid ...
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2answers
66 views

Partition issues after deleting Core Storage Logical Volume Group. Everything prompts an unmount error. HELP!

I followed the instructions on this link (last answer) to delete the Core Storage Logical Volume Group via terminal while pressing Cmd+R during startup. These are the functions I used in terminal: ...
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10 views

Best overall hard drive for a macbook pro 15" mid-2010

I am not up to date with all the specification. How does something like this look? ...
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27 views

Opening up your MacBook and how to avoid static electricity

Static electricity can exert incredibly high voltages (upward of a thousand volts) which can zap sensitive equipment. Hence, all videos that explain opening up your Mac feature some form of ...
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35 views

How to empty MobileBackups.trash content

I noticed that OSX reports a wrong disk space amount, reporting that "Other" space is near to 170Gb. Digging into the issue here "Huge inconsistency in disk space measurement, missing 50% of the ...
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1answer
95 views

Huge inconsistency in disk space measurement, missing 50% of the disk

I own a MacBook Pro 13 Retina, OSX reports disk usage as 450Gb, but utilities such as DiskInventoryX tells a different story reporting 226Gb as used disk space: How can I convince OSX to give me ...
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1answer
25 views

How to reset a Seagate FreeAgent Go Mac External Hard drive to use with a new Mac?

I have a 500 GB external hard drive that I want to use with my new Mac (OS X Yosemite). I simply want to clear the external drive of everything that was on my old Mac (I don't want to transfer any ...
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15 views

Direct transfer from internal Time Capsule HDD to connected USB-HDD

searching down the web but since now i not succeed. I have a Time Capsule (A1470 with 802.11ac) I use this TC as TimeMachine-Backup and a little "NAS"-Server So many of my data is ONLY stored at the ...
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2answers
41 views

SSD upgrade for mid 2012 MBP

I recently started getting performance issues with my MBP while running apps like Xcode and Eclipse. A quick diagnostic of the system showed that it thrashed over 458k times. Vendor Specific SMART ...
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1answer
29 views

How to securely erase an arbitrary SATA drive, utilizing the drive firmware to do so?

The problem with using Disk Utility or dd if=/dev/zero to erase a disk is that: It applies unnecessary wear to SSD drives. It sends the drive's capacity worth of zeroes over the drive's interface. ...
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51 views

SSD upgrade for 2013 21" iMac?

I have got an iMac (EMC 2638) here, with 1TB hard drive. I have read that there is a PCIe SSD slot on those iMacs as well, originally for the fusion drive. Is it possible to upgrade my iMac with such ...
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1answer
21 views

Can I use Firewire or Thunderbolt cable with this hard drive dock?

I'm an external hard drive docking station: http://www.amazon.com/Thermaltake-BlacX-eSATA-Docking-Station/dp/B001A4HAFS/. I'm currently using the USB2.0 cable that comes with it. I wonder if I could ...
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69 views

Disk Utility vs Carbon Copy Cloner - How to clone your drive with Apple's built-in app

What is the point of using commercial apps like Carbon Copy Cloner when disk utility can also clone your drives? This article here ...
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18 views

disk become empty after delete a large file

I have a 2T mobile disk with the format of NTFS. I store 1T files on it, including a large file with the size of 260G. After I delete the large file, all the file was gone. I remount the disk again ...
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21 views

How can I set up the internal HDD on my iMac to be able to connect to it from my laptop at college?

To better explain my question and what I am trying to do... my iMac is in my room in my parents house, and I want to be able to connect to my iMac's hard drive from about 300 miles away at college on ...
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3answers
56 views

Is it possible to restore OS X .dmg file to External Drive?

I recently traded in my iMac with 1TB HDD for a MacBook Pro with a 256 GB flash drive. I want to restore my previous hard drive but obviously it won't fit on the new hard drive. Is it possible to ...
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72 views

WD My Book Media shows up in diskutil, but doesn't mount or show up in Disk Utility

Initially this drive was connected (via FireWire) to my wife's Mac (still running OS X 10.7), but she it would not mount any more and she asked me to look at it. After reading suggestions on-line, I ...
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112 views

Unable to partition hard drive with Yosemite (Disk Utility hangs)

I have a 2007 model Macbook Pro running Yosemite 10.10.1. My father recently upgraded my hard drive for me from the stock 320GB hdd to a hybrid 500GB hdd. He's not really a Mac user and said there ...
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99 views

Clean install of Yosemite problem

Hopefully someone can help me. I've tried so many options. I purchased a used MacBook Pro, late 2011 model. The person I purchased it from said he wiped the hard drive, but when I got home, it seems ...
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101 views

Disk Capacity 500 gb falls to 250 gb after deleting files

I was attempting to free up disk space on my MB Pro - and subsequently deleted most of the iPhoto files & folders as I was constantly receing a 'your start up disk is almost full (e.g. 2.5 gb left ...
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1answer
30 views

How to reformat a time machine drive to use on a PC

My sister used to be a mac user and recently switched to a PC. She has her mac stuff backed up on two hard drives, one is formatted as a time machine. We've transferred all her important files to the ...
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101 views

How Do I Partition A Raid 0 Using Disk Utility?

I have just purchased a WD My Passport Pro. It comes in a striped RAID 0 configuration comprising of two 2TB drives. I want to partition the drive into 3: Photoshop Cache Lightroom Catalogue Video ...
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1answer
14 views

Actual Folder Size?

I have a TM back up from a retired drive. The folder info screen looks like this. The drive is 3TB and there's still 900GB free, so the 4.75TB reported size is not correct. Is there a simple way to ...
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1answer
32 views

Can I move a hard drive from a MacBook 13 to a MacBook 15?

I'm thinking of upgrading my machine to a 15" and wondering if I can just move the hard drive over and put a new one in the 13"? The reason is my 13" Macbook has a 2TB HDD and I'd rather keep that ...
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1answer
36 views

How to locate “other” files on an Imac [duplicate]

When I look at my available disk space on my imac it says ive used 700 gigs for "other" files. How do i find these files and delete them?
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1answer
23 views

Mounting a RAM disk on startup, but seems to be unmounted automatically

I wrote a simple script that mounts a ram disk: %> cat /System/Library/LaunchDaemons/ramdisk.plist <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST ...
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44 views

How can I have 128 GB HARD disk and there is 300.91 GB apps on it?

After I install pes2014 on my MacBookAir when I see the storage of my My macintosh HD Is foul. Is it a virus? What should I do?(before it my apps was up to 60 GB) It may be helpful that the pes is ...
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147 views

Disk Utility can't repair external hard drive, tried fsck whats the next step?

When I try and repair my external hard drives (I have two corrupt now some how both I think from improperly ejecting from the same machine), I get this message: Disk Utility can’t repair this ...
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2answers
89 views

2012 MacMini HDD died while installing Win 10 Tech Preview

I have a problem with a 2012 MacMini. diskutil list shows an internal 500 GB 5400 rpm drive as having 0 Bytes. It also states that it is unknown. Would TestDisk be able to reformat the drive? Disk ...
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36 views

replacing a toshiba hard drive in a mac mini

I took my mac mini in to a computer repair shop, they said I needed a new hard drive, so I paid them $300.00 to do the repair. Later on when I went to set up my mini mac it wouldn't work, and I found ...
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51 views

28 pin SSD adapter or enclosure needed for Late 2014 MBP

I've been trying to find an adapter for a Late 2014 MBP Retina SSD. Standard msata didn't fit, and from a few consumer reviews of other enclosures and adpaters, it seems to be uncertain if one exists. ...
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2answers
74 views

How to convert a DVD to ISO?

On Mac OSX 10.9, how do you convert a DVD into an ISO that I can use with players such as VLC. I wish to achieve this without buying a program. Steps I have tried: Downloading Mac app Burn. It ...
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2answers
160 views

How do I transfer a file from a guest account on a MacBook Air?

I'm logged into the guest account of a borrowed MacBook Air which is running OS X Version 10.9.2 and I've been trying to transfer a 2.19GB video file to an admin account, a USB or external hard drive, ...