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

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MacBook Pro: Strange crashes

I purchased a new 13" MacBook Pro about a month ago. I'm pretty happy with it for the most part, but I've been having a few issues which I find very worrisome. I'm a computer science student, but my ...
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2answers
3k views

Hard drive is failing, iMac is freezing?

So this is my third hard drive that I installed on my intel Mac OS X desktop (made in 2007), and I installed Western Digital Black Caviar (which is supposed to last 3 yrs, I believe). But the hard ...
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250 views

Thunderbolt hard drive alternatives [closed]

Are there hard drives like the Pegasus option with Thunderbolt available with only one or two drives for less money?
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546 views

Restore 200mb EFI Partition/Write Support for WIN7 HFS+

So I posted earlier about recovoring an HFS+ partition on Windows. I used Testdisk with awesome success. Now I've run into another issue. The biggest issue is that I need to read AND write to my ...
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2answers
781 views

osx split external hard drive partition

I currently have a 640GB external HD that has 1 partition formatted as HSF+ Now I want to split some of the free space into a new FAT32 partition, without having to reformat the whole HD and losing ...
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2answers
50 views

Missing disk space after repartitioning

I tried to make a partition and then tried to undo it. Now, I don't know how to get the missing disk space back. As you can tell, I have 751.28 GB disk. Macintosh HD and Recovery HD have 557.4 GB. ...
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3answers
368 views

Use external hard drive to install applications to it

I have a 120 GB SSD on my Mac and it is almost 90% full. I have another 500 GB external hard drive and I want to install some big applications to that hard drive so it does not occupy space of SSD. ...
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2answers
199 views

Logical Volume Group 17gb “Available Space”

Can anyone help explain why there is 17 GB worth of free space on my LVG I can't seem to do anything with this space. Is there anyway to fix this? I have already reformatted the disk then cloned the ...
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3answers
20k views

USB Drive Will Not Mount, Not Listed in Disk Utilities, but Found In System Profiler

I have a Seagate FreeAgent Go drive with the optional docking station. I use it to keep files that I don't access on a regular basis and as a place to do "quick backups" of things like my Paperless ...
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3k views

MAC OS X refuses to mount the main volume Macintosh HD, saying that there's an “Invalid content in journal”

I have a problem with my MAC. Yesterday it got stuck while it was trying to connect to a Wi-Fi network, then, since it didn't respond I decided to turn it off using the power on/off button ('). When I ...
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2answers
581 views

iMac HDD fan running full speed. What is wrong?

My iMac (27" Mid-2010) and the HDD fan is spinning full speed with a measured HDD temperature of 50 °C. I have removed the dust and dirt from inside and it is pretty clean. Nevertheless even when at ...
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5k views

External USB3.0 4TB HDD is not recognized by Mac OS X

I've bought an external 4TB HDD. It is this this one. The problem is that my Macbook Air 11" 2013 (with Mac OS X 10.9.2) does not recognize it. The device is ok. I can use it from other computers ...
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4answers
6k views

How to recover data from unreadable hard drive?

I have an 80GB Fujitsu 2.5" hard drive that died about a day ago and had nothing backed up. Is it possible to retrieve data off of it somehow.
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3answers
233 views

500gb take up space on my HD, but don't belong to any visible file or folder

I've got a problem: 500gb take up space on my HD, but don't belong to any visible file or folder. This may have something to do with a disk image of 500gb I created and deleted some time ago. Is there ...
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2answers
5k views

How to fix mounting problem with external drive?

I have a USB external hard drive with AC adapter that works fine with an Ubuntu machine. But when I plug it into my MacBook Air it lists one partition on the finder, and does not mount the other. ...
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2answers
3k views

How safe is it (and what precautions should I take) if I want to transport my Macbook from class to class?

So, last week my hard drive died. I took it to a repair shop, and the person said the hard drive died. I asked why, and he says it just happens (even though my Macbook Pro is only 1.5 years old). ...
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3answers
11k views

MacBook Pro hard drive problems: Can it be hard drive cable?

My MacBook Pro 2009, (13inch, snow leopard), does not boot into OsX. I also have bootcamp windows, and I can boot into windows with no problem. I pressed the D key while starting and made a Apple ...
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1answer
67 views

Is a corrupted HD a sign of something ominous for the hardware?

The Verify Disk functionality of the Disk Utility reports that my HD is corrupted. I fixed the problem using the startup CD but what does that mean for the health of my HDD?
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4answers
5k views

Will a standard MacBook Pro optical-bay HDD caddy fit a non-unibody MacBook Pro?

I have an early 2008 A1226 15" MacBook Pro Santa Rosa (ie non-unibody), and I want to put an HDD in the optical bay (replacing my original HDD with an SSD). There are caddies like this that might do ...
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2answers
45 views

What file system should I choose when formatting a flash drive?

I need to write a few large files (larger than 4 GB) on a flash drive, but I can't do it, because the file system of the flash drive is MS-DOS (FAT32). How should I format the flash drive, so I can ...
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1answer
69 views

Move hard drive from macbook pro to macbook air

I have a Macbook Pro with a 250 GB SSD hard drive (Macbook retina Mid 2012 i7) and a Macbook air with 120 GB SSD hard drive (Mid 2012 Intel Core i5). I would like to move the swap the hard drives if ...
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230 views

Real performance boost with multiple partitions

I have a 1TB Hard drive with multiple partitions where I had previously installed Snow Leopard. Now I'm making a clean install of Mavericks and I have a couple of questions: 1) What are the real ...
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1answer
1k views

Why is my Mac able to write to my NTFS hard drive?

My question is one of confusion. All over the internet I have seen people looking for the ability to use a Mac to write to NTFS, or people formatting drives to FAT32 so that their Mac can share a ...
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2answers
7k views

Erase MacBook hard drive without OSX disc

I would like to erase everything on my Mac's hard drive as I'm going to recycle or sell it. Is there a way to do it without OSX disc?
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3answers
282 views

Which type of storage between HDD and SSD should I use in MacBook Pro for app development job?

I'm deciding to buy my first MacBook Pro for developing iOS application. I never use any Apple desktop or laptop before, and also never develop any application. I think if I want faster result when I ...
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3answers
111 views

How can I recover a Mac HDD?

Should I take it out and put it in a HDD enclosure. assuming its a 2.5" drive, should i buy a HDD enclosure and just slot it in? Anyone know of a half decent FAQ that will help me with this task. ...
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2answers
70 views

Cannot copy from MAC to Pendrive

I attach pen-drive to my Macbook-air. It is detecting and I can also copy from my pen-drive to my Hard disk. But I cannot copy data from Hard disk to pen-drive. I tried with different pen-drives, but ...
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1answer
110 views

My External hard drive fell and not showing up on Mac

1 week back my 1TB Seagate Expansion external hard drive which I used for Time Machine backup fell on ground. I freaked out and immediately connected it back to Mac. and to my horror the drive didn’t ...
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1answer
54 views

How to get a full backup of a hard disk from a dead MacBook?

My MacBook is not booting up due to some short circuit problem. Apple Store has promised that they can repair but there would be data loss. I want to take out the hard disk from the MacBook and take ...
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2answers
564 views

Accidentally used dd on my system drive

As is wanted to write an image to usb stick, I accidentally used my system drive (macintosh hd) as target. Command used: sudo dd if=/dev/zero of=/dev/rdisk1 bs=1024 count=1 Where disk1 was ...
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2answers
250 views

Missing date in 'About this mac' window

I'm looking for used macbook pro and found this one. Why there is no date of manufacture in 'About this mac' window? Can it be hacked mac? Also on second screen shot there is mystical '1Tb flash ...
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142 views

Why Does A New Mac Pro Only Support a Single Internal Drive?

Every graphic-heavy application I have used has recommended storing files it uses on a separate disk from the boot disk (preferably an SSD), however with the new MP this isn't an option. The only way ...
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1answer
23k views

My macbook air wont let me erase my disk?

What the title says. I'm trying to delete all the data off my macbook air. I pressed command+r, went to disk utilities, selected my disk in the slot to the left, went to the erase tab. The "erase" ...
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2answers
76 views

Time Machine and storage questions

In researching Time Machine usage issues, I have come across other questions that might change the way I have always arranged my drives. Back in the 'olden days' when internal drives were ...
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1answer
79 views

Raid 0 - Why am I constantly losing data?

I have a Mediasonic 4 bay drive enclosure like this with four 3TB Toshiba HDD's attached to my hackintosh machine. The drives are in a RAID 0 configuration setup with Disk Utility. I've had this ...
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2answers
686 views

Mac Boot Option not Showing Base System

Whenever i hit ⌥ or ALT when I boot up my Mac only the Boot Option "Mac Hard Drive" shows. "Mac OS X Base System" or "Recovery 10.9.1" doesn't show up. Can someone help me on this? Do i need to make a ...
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2answers
288 views

TimeMachine inconsistant with backed up data. How do I access earlier data from the backup - they ARE there, Time Machine just doesn't show them

This is a bit difficult,. I will try to explain in detail, please excuse if it get's a little long. Outlook 2011 crashed, and I was advised to reinstall. That was a mistake, all my local folders in ...
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1answer
767 views

Using an External HDD as a bootable Windows Disk

I want to use my external HDD as a bootable USB drive so I can install Windows 7 via bootcamp but I am having trouble getting bootcamp to just use one partition of the drive. When I get to the stage ...
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2answers
854 views

Why am I not able to expand my hard drive partition after deleting Windows?

I'm a MacBook user and I had previously installed Windows on my laptop. After deleting the Windows partition now, I'm facing difficulty in expanding my hard drive partition to the maximum. After I ...
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4answers
4k views

How to fix Mountain Lion deadly crashes

Over the last 3 months, after I bought my first Mac Mini, which came installed with mountain Lion, I've had to reinstall the OS over 10 times now. Here's a list of steps of what happens: I turn it ...
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2answers
66 views

Moving Drives Between Macs

I'm considering buying a new MacBook Pro after today's refresh, and I am wondering if OS X handles simply pulling a drive out of one MacBook Pro and putting it in another. I know that in the Windows ...
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1answer
2k views

Remove 2nd partition, reclaim space

If I have a dual booting computer (os x 10.7 and Linux), and would like to remove the Linux partition and return it to one single large disk running os x, how is this done? Is there risk to messing up ...
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1answer
171 views

FW400 HDD not recognized at all

I have an external hard drive in an enclosure that plugs into the firewire port of a Mac Pro, and it is not recognized. I connect the device to the firewire port, and this is what it shows: Any ...
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1answer
969 views

How do I speed up a USB external hard drive?

I am using an external USB drive for video. Is it possible to increase the speed of the drive to make rendering/copying/, etc., faster? When I have a couple of applications writing to the drive, and I ...
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5answers
2k views

Snow Leopard cannot find my LaCie Network Space 2 when it's connected through USB.

I have a LaCie Network Space 2 (and I wish I had bought a WD instead) which is connected to my iMac with USB. I have used it before through LAN, but I've moved my Mac to another room and now I ...
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1answer
7k views

What does Apple Hardware Test error “4HDD/11/40000004:SATA(0,0)” mean?

I have a 2007 24" iMac with 4GB RAM and internal 320GB HD. A while ago the machine froze and then would not boot. When I run the Extended Apple Hardware Test I get the error ...
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1answer
36 views

How I put OSX on a disk with badblocks, while avoiding them?

My MacMini hdd, some months ago, stopped booting. Upon inspection, seemly a tiny amount of sectors got corrupted, but in system-related areas, and OSX went bonkers and destroyed half of my data while ...
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2answers
41 views

How do I install new Mac OS onto a new unformatted HD

The HD crashed on my old MacBook (white Mid 2007) and appears to be unrecoverable. Though I bought a new MacBook Pro, I would like to resurrect my old MacBook, by buying a new hard drive. (It had ...
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1answer
35 views

Unable to account for 23.6 GB of disk space

I have a 13-inch MacBook Air, and have been using it for about a year now. There are 23.6 GB of memory that appear to be missing from my hard drive. About This Mac -> Storage shows 91GB of files, of ...
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2answers
188 views

Can Recovery Mode install OS X onto a blank SSD?

I want to install a new Solid State Drive (SSD) into the Mac. Can I just build in the SSD, start the MacBook in Recovery Mode and install OS X from there on? After reading a lot on the internet I ...