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

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Restore Recovery HD partition from Yosemite downgrade

I recently got back to Mavericks from Yosemite, everything went fine. As I normally do, I checked my HDD with the Disk Utility and found some trouble, then I boot on recovery mode to fix my HDD. I ...
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1answer
42 views

Run OSX as normal off external HD?

I'm continuing to hatch a plan to keep running whilst emergency repairs are carried out on my MBP. Further to a question I posted on Monday I'd like to know if anyone could shed light on whether this ...
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0answers
61 views

Clone whole partitioning scheme to smaller disk

I have the following on my secondary disk. As I am not satisfied with it I would like to clone everything to the other one which is smaller unfortunately. /dev/disk2 #: TYPE ...
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1answer
55 views

Move data from 1 hard drive to the other

I have a bootable partition on an external drive with some old data that I want to move to a new external hard drive. The partition on the old drive is 500GB however theres only 320GB of data. So i ...
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0answers
11 views

I have large amount of “other” data on HD that is tying my computer down. [duplicate]

I have an issue that I can't seem to solve. My laptop (2009 MacPro) has listed on the HD diagnostic 80+ GBs of "other" data. I cannot find this data anywhere. In December the "other" was about 30-40 ...
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1answer
4k views

Macbook boots up to grey 'prohibited' symbol

I'm having an issue with my '09 13" Macbook Pro. When I boot it up, it seems to be booting normally until about thirty seconds in, when the Apple symbol is replaced with a kind of 'no-smoking' symbol, ...
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0answers
254 views

Error while erasing my system disk in recovery mode

My macBook Air failed to start. I have the grey screen and when the progress bar is at 100% it shutdown. I tried 4-5 times with same result. I try in recovery mode pressing Alt key during boot. I ...
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2answers
64 views

Usb drive is constantly active: why?

I recently bought a large USB drive and stored about 300GB of new data on it.1 I haven't changed anything on the drive, and I'm not reading any files right now. But the drive is active -- I hear the ...
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2answers
1k views

Hardware issue on iMac, flashing question mark

I have an iMac 2008/2009 issue and recently the computer would not boot and I would get a flashing question mark. Ran through all the usual steps, try boot in safe mode, flash RAM, try single user ...
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0answers
155 views

How to fix permissions with Repair Disk Permissions?

I just installed Xcode 5.1 and the latest round of updates. I followed that with a Repair Disk Permissions. For some reason, Apple installs its software with broken permissions. I then ran Repair ...
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1answer
1k views

Disk problems and reinstalling Mavericks!

This started after I installed a BootCamp Windows 8.1 partition. That partition ran out of space so I decided to not heed any warnings and tried to format my Macintosh HD into free space, 10G of free ...
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2answers
11k views

Error-“Unable to write to the last block of the device.”

I am trying to setup a new hard drive into my Macbook Pro. However, I keep getting an error in disk utility that states, "Unable to write to the last block of the device." I saw another person was ...
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3answers
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How can I delete a partition (coreStorage logical volume?) from the Terminal?

I finally understood why Disk Utility will not change the partitions on my HDD, even though I added the most recent one myself (maybe significant: to test Yosemite DP) with it. Now I see it says it ...
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2answers
2k views

Issues putting a hard drive in the optical bay of my early 2011 MacBook Pro

I'm asking for help for my brother! I recently switched over to a dual hard-drive setup, and it worked perfectly. However, my brother is having issues. First off, here is the hard drive we are ...
4
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2answers
724 views

Prevent Spotlight from indexing future hard drives

Using Mavericks, how can I prevent Spotlight from indexing all drives except my primary internal drive? In my work, I connect dozens of new drives every week, and I do not want the .Spotlight-V100 ...
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1answer
165 views

Disk partition interrupted

So I was partitioning my macbook's hard disk so as to install addition operating system. But as disk utility was in the process of partitioning, I closed the disk partition (for a reason) thinking ...
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1answer
148 views

Partition Format on Mac

Mac newbie here. I need to have a case sensitive file system. I am planning to create a separate data partition for that. 100GB (Mac/home directory) + 151GB (data partition). I have a habit of making ...
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4answers
11k views

MacBook Pro 2013 hard drive upgradable?

My MacBook Pro late-2011 model was recently stolen when someone broke into our car. Luckily there weren't too many other items in the car and my computer was fully backed-up. I am looking for a new ...
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2answers
629 views

Broken hard drive or operating system

My MacBook Pro froze today. When the system is restarted, it goes directly to the OS X Utilities window. None of the alternatives seem to work. I don't have a Time Machine backup, so there is no use ...
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3answers
1k views

My hard drive doesn't work but Bootcamp work

For two days my mac is "dead", the hard drive crashed, so I reformat (twice). Then via the Recovery I wanted to reinstall Mavericks but at the end of the proceedings it appears to me there remains ...
21
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3answers
24k views

How do I get detailed SMART disk information on OS X (Mavericks or later)

I'm trying to get a detailed SMART status report on the drives in my Mac. I'm not talking about "Verified," I'm talking about the detailed report that's about 100 lines long listing all the vital ...
0
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0answers
293 views

External Hard Drive died – How do I recover those files from Time Machine?

My external hard drive, which I was backing up with Time Machine, finally died. I want to retrieve some of those files, but when I go into Time Machine I can't navigate to those files because Time ...
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2answers
966 views

MacBook Pro doesnt boot after systemupdate / repairing volume doesnt work

i have a problem with my MacBook Pro. I installed a Systemupdate, reboot and then i had a loading screen which loads a long time. Then i started the mac in verbose mode and there is... hfs: mounted ...
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2answers
69 views

Why does my 2.5 TB HDD appear as a 2.2 TB HDD and a 300 GB HDD? How do I merge them?

I have a Western Digital 2.5 TB hard drive. (Model WD25EZRS) It's connected through an external USB dock to my iMac, running Mac OS X Mavericks. In Disk Utility there are two volumes, totaling 2.5 TB ...
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1answer
243 views

Force a read-only mount of startup disk

I want to create a MacOS recovery startup disk on a USB flash drive. In order to maintain the integrity of the drive's contents (and, perhaps more importantly, reduce write wear on the flash drive ...
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1answer
158 views

Do I need a special external hard drive to use with Time Machine

I am searching for a hard drive but I wonder if just about any will allow me to partition it so that I can use a part of it for Time Machine only. Thanks.
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1answer
280 views

Macbook 5,2 (Mid-2009) optical bay hard drive enclosure

I was wondering what about my Mid-2009 Macbook makes optical hard drive enclosures like this one incompatible with the enclosure. And if there is another way that could get a second drive in there.
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1answer
2k views

Mac Pro hangs at startup showing white screen with spinning pie wheel

MacPro 1,1; lion? startup hard drive failed (with loud buzzing). Removed bad drive, installed replacement, inserted Lion USB drive, verified new drive using the Lion usb drive, started installation ...
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3answers
152 views

Is there a canonical guide to replacing the hard drive in a MacBook Pro?

I have a mid-2010 Macbook Pro 7,1 that I have kept up to date over the years, currently running the latest version of Mavericks. I am planning to replace the 250 GB Toshiba hard drive it came with. ...
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0answers
280 views

Mac Mini 2013 wakes immediately after sleep when USB drive plugged in

I have a 2013 mac mini running osx 10.9.3. I used to be able to send the machine to sleep by going to the apple in the menubar and choosing sleep. After a recent update, when I do this the displays ...
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1answer
713 views

Creating a EFI partition

I have been having trouble installing OS X Mavericks and I think I found the problem. It told me I couldn't boot up with Macintosh HD, so I verified my disk and I got this error: This disk doesn't ...
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2answers
133 views

Harddrive is full of Audio and Photos, how can I find them?

I have bought a new Macbook and when I go to About This Mac -> Storage I see: 1.11 GB Audio and 750 MB of Photos.. But I have not copied any Audio or Photos to this laptop. How can I find where these ...
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2answers
33 views

Is repeatedly reading a drive harmful?

I have an external hard drive that was making an odd sound, and I wanted it to stop. I found out that navigating the contents of the HD in the Finder would make it stop temporarily. I set up a shell ...
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2answers
2k views

Disk space disappears to 0, then after a while I have free space

I've been having this problem for quite a while and it happens occasionally and when it does it get very frustrating and I'm just trying to pin point what is causing it. When it happens, the disk ...
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0answers
54 views

How to use Time Machine to back up a partitioned drive?

My MBP was originally a single SSD partition, which I backed up with Time Machine to an external USB HD. I created a new partition on the SSD for Yosemite, and am running the MBP on 10.10, although ...
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1answer
210 views

“Other” storage in Mac 10.9

I have a Macbook Pro, 10.9 with 500GB of hard drive storage and 4GB of RAM. When I access the Utility app "System Information", this is what I got. There is a yellow block called "Other". What does ...
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0answers
97 views

Replaced Ipod video hard drive and battery, now won't start. Did I accidentally kill the hard drive?

As I said in the title, I've been trying to revive an old 5th gen ipod video. I replaced the hard drive, screen, and battery. At first it wouldn't boot, only giving sad ipod error. Then out of ...
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1answer
66 views

Incorrect amount of free space on 2009 Macbook

Recently, I've been noticing that my 2009 Macbook's storage has been plummeting. Despite cleaning my computer up, nothing seems to be working. I went to the apple store and we ran tests (which I ...
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4answers
1k views

Use 256GB USB Thumb Drive as main boot drive

My iMac is very slow and I would like to start from a fresh Mavericks install. But instead of spending the time to backup my internal drive, I would rather just get a big 256GB thumb drive and install ...
2
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0answers
108 views

Is it possible to rename a logical volume group that's currently in use with bootable partitions that contain data?

I need to know if it's possible to accomplish this: http://apple.stackexchange.com/a/90821 but without having to wipe the drive. I added a new partition and installed another instance of OS X but ...
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0answers
428 views

Disk Utility Crashed whilst creating a Partition and I'm now missing hard drive space

Disk Utility Crashed whilst creating a Partition, and I now have ~100GB missing, which was the amount I had allocated to the new partition. The new partition didn't get created, and I now have 100GB ...
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1answer
5k views

Can I simply install a fresh OS X without a thumb drive?

I've always installed a new OS X install via a thumb drive. However, at that time, I only had a single hard drive. Now, I have two hard drives, but the question is: Do I still need a thumb drive now? ...
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1answer
111 views

Apple support, mac with unencrypted drive

Because of an incident happened a few days ago, I'll have to bring my MacBook Pro to an Apple Store to get it repaired. Problem: Even though automatic logins are disabled, and to access the computer ...
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1answer
142 views

What is the specification of the extra screws needed to install a second drive to an upper-drive populated Mac Mini 2012?

I ordered the wrong OWC Data Doubler kit. I didn't notice the note saying that some Mac Minis have an upper drive configuration and that it would require a variant of the kit with additional ...
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1answer
17k views

External Seagate Hard drive for Mac - Compatibility

I am looking to purchase a Seagate External Hard Drive for my MacBook Air. The products claims it works only with PC (windows), however, I have read multiple places that I can just format the drive ...
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5answers
447 views

Chances of getting my harddrive recovered

I accidentally placed a magnetic mount antenna near my hard drive while my computer was running. It then made horrible noises, and stopped working, and everything froze. Now, every time I start my ...
2
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0answers
332 views

Slow disk access time in fresh OS X installation

My apple-shipped disk on my frankenstein early 2011 MacBook Pro (with upgraded motherboard to 512MB GPU Memory) just gone bad and I have to replace it. I had replaced DVD drive with SSD with the old ...
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2answers
5k views

MacBook Air with Mavericks does not start up, no disk utility available

I have a severe problem with a MacBook Air. It does not start up, it hangs at wether a pure white background or white with the Apple logo. I tried to go into disk utility but pressing the option key ...
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1answer
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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0answers
120 views

Disk I/O error on a superdrive?

The hard disk of my late 2011 MacBook Pro 15" died and I replaced it with an SSD. I wanted to have more space, so I bought a 1 TB hard disk and put connected it instead the superdrive. The problem is ...