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

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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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1answer
12 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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1answer
19 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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1answer
11 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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1answer
29 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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“recovery system can't be created” Now the only option I have on start up is the “installer” which gives me this error [on hold]

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
114 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
38 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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1answer
25 views

Stymied trying to repair disc [on hold]

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
12 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
40 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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6 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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1answer
25 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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1answer
28 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
88 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
19 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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8 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
37 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
22 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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1answer
40 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
18 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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2answers
53 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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1answer
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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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
51 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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0answers
58 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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88 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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2answers
88 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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2answers
93 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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1answer
78 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
32 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
22 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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1answer
137 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
84 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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2answers
32 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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2answers
43 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
65 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
147 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, ...
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1answer
44 views

Using Windows on another HDD on a Mac

I have a 2011 MBP and I just replaced my optical drive with a hard drive. I wanted to know the easiest and free way to boot up windows 8.1 on one of the hard drives using only the iso and a flash ...
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2answers
102 views

Upgrading to SSD on 2010 MBP

I have a mid-2010 MacBook Pro, which I want to upgrade with an SSD in the Optical Drive slot and create a Fusion Drive (using the Terminal diskutil command in Recovery Mode) and then re-install OS X ...
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1answer
35 views

New hard drive in early unibody 2011 MacBook Pro won't boot

Newbie here! I just replaced the hard drive (to a 1T senate SATA) in my MacBook Pro and upgraded the RAM from 2, 2GB cards to 2, 8GB cards. Hardware install went smooth, backed up old drive to time ...
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3answers
46 views

How to synchronize contents of two external drives?

I have two external hard drives (ExFAT formatted) which I need to keep in sync. Specifically, drive B must mirror the contents of drive A and drive A must not be modified. How can I do this without ...
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0answers
157 views

How to access the full capacity of hard drives larger than 2TB with OS X Yosemite?

Last week, I bought a 4TB hard drive to connect to my MacBook Pro. My quest to have access to all the 4TB on my Mac was more difficult than expected. After a lot of experimenting, I managed to create ...
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2answers
38 views

After erasing 200 GB I need to repair it using the Recovery HD

I was cleaning my macbookpro, erasing all unused files i had on it, after that I decided to erase the free space, so i will have all my files organized and cleaned the "used space", after that I ...
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0answers
26 views

WD Drive Cannot be Repaired but program still running

I have an external hard drive that I use to run my iTunes, iPhoto library and store various other documents. Recently, it stopped connecting to my MacBook Pro. I can only see my WD Ultra external ...