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

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458 views

Which 2nd hard drive for my MBP 2011?

I am looking at options for a 2nd hard drive (SSD is primary) for my 15" MBP 2011, i initially was going with a 750gb 5400rpm drive but i'm thinking about either of the following 7200rpm drives. ...
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1answer
557 views

Can't gain write access to secondary hard drive root-level folder

I have a second hard drive installed on my Mac. On its several root-level folders there's only one I can't get write access to. I've tried right-clicking it, select "Get Info", unlock it, click the ...
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1answer
3k views

MBP not booting, but HD seems fine

My late 2009 unibody MBP won't boot. I have already booted in single user mode, ran fsck -fy until I get no errors. But when typing 'exit' or rebooting in verbose mode I see, after fsck runs: Failed ...
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1answer
64 views

Can I take a hard drive from an iPod Video and put it in an older iPod?

My 80gb iPod Video just died, and I'm pretty sure the hard drive still functions. If I buy an older black-and-white iPod, can I throw in the hard drive and expect it to Just Work?
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1answer
19 views

How to automatically mount airport connected hard drive as read only for a user account

I have an external hard drive connected to my airport extreme. I am able to access the drive without any problems. However, I have user accounts set up for my two young children. I want to give access ...
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0answers
32 views

Configuring SSD over-provisioning on Mac OSX

I'm in early investigation stages of adding a SSD drive to my MacPro. Fragmentation problems can lead to serious performance problems on an SSD. There are a couple answers to this problem: TRIM - ...
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0answers
12 views

Can a mac do a bitwise copy of a USB disk with proprietary disk format?

I have a USB disk with a propietary format that I want to bitwise clone to a new identical drive. I have CCC but the disk doesn't show up in Finder. It does appear in Disk Utility. I tried ...
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0answers
17 views

What to do if repairing one disk made the other unrecognized?

Originally I had two drives, an HDD and an SSD (my boot drive). The HDD had a 100gb partition on it that used to have windows installed on it, but that partition got locked and became unusable. When I ...
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1answer
17 views

Internal Hard Drive Not Visible

I have an early 2009 MacBook running OSX 10.9. Last week, my hard drive crashed. I bought another and installed OS 10.9. Everything works. I do not, however, see the drive's icon on my desktop. ...
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22 views

Raid two external hard-drives with read/write support on Windows & OS X

I have a USB 3 HDD enclosure that currently has two 1TB drives in it. I am looking at buying another external USB 3 HDD drive (not an enclosure). I am currently running the external enclosure with the ...
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1answer
54 views

Can't mount primary HD, Disk Utility shows Invalid Node Tree Size

There are similar lines of questioning in the forum, but few valid responses. Apologies for reposting. I've searched for hours on end... I'm a tech consultant (software, not hw) helping my relative ...
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17 views

Hard Drive Scraping Noise and the Flashing Inquisitive Folder

Hey I'm having the flashing question mark folder issue. My hard drive is also making this noise like tschhh, tschhh, tschhh, tschhh. Holding option does nothing, it just makes it load to a grey ...
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0answers
23 views

What should I do to restore my computer's hard drive to how it was before I partitioned it? (and do I need to?)

For a few months, I used the hard drive on my iMac to do Time Machine backups for my MacBook until I got a Time Capsule. Since Time Machine refused to back up directly to the iMac's HD, I partitioned ...
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1answer
37 views

Backing up files from corrupt disk from Windows Bootcamp

So, mysteriously with no previous bad behavior my computer stopped booting, stuck in the gray loading bar cycle and then shutting down, the problem I believe wasn't obvious at first. I booted to ...
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1answer
141 views

My book western digital not recognized on windows after time machine backup

I have an MY BOOK from western digital I used it once for TIME MACHINE BACKUP, now under windows the hard drive is not recognized and theres no way to format it since it not recognized by windows, but ...
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0answers
159 views

My MacBook Pro mid-2010 won't recognize new hard drive

I was forced to change my HD since the old one gives me I/O error on boot. I bought a Western Digital Blue WD5000LPVX, connected by USB to another Mac and format it using Mac OS Extended (Journaled) ...
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0answers
39 views

Time Machine and an Unmounted Internal Drive

A couple of weeks back I put an SSD in my macbook, keeping the old spinning disk drive around using an expansion bay. Everything went fine, and I got it backing up. However, having the SSD around, I ...
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0answers
42 views

How to get Mac App Store to stop thinking app is installed on external drive?

I ran into a problem where the Mac App Store said that a particular app (Numbers in this case) was up to date, but whenever I launched it I would get an older version. I finally did a search across ...
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0answers
24 views

Error during install Leopard on iBook G4, now can't mount drive

I have an iBook G4 that was running 10.3.9 and I was attempting to install 10.5 via Firewire transfer as the optical drive is not working. During the install, the power lead failed and the laptop ...
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1answer
30 views

Can I move a volume from one computer to another in Time Machine?

I am slowly migrating from an older Mac Pro to a MacBook Air. Both machines are backed up to two different 2TB drives using Time Machine. Recently I decided that I wanted to make the extensive data I ...
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0answers
26 views

Can I enlarge a RAID10 with Disk Utility?

I have a 4TB RAID10 (4x2TB disks) created with Disk Utility. I also have 4x4TB spare disks. Can I enlarge the RAID10 to 8TB (4x4TB)? This post suggests that I can break each mirrored set, and ...
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1answer
66 views

MacBook will read USB drives with no problem, but will not see the USB drive as boot drive

I am trying to install OS X Lion on a Macbook 4,1 which I've upgraded to 4 GB of RAM. It should support this OS, however I cannot get my Mac to see the USB drive as a bootable option. It's a SANDISK ...
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2answers
52 views

Can Super Duper perform “smart update” from SSD to HDD?

My goal is to create a bootable backup of my SSD boot drive on an external HDD. I'm using a Mac Pro mid-2010, so I can swap out the boot drive should my SSD ever get corrupted. Is there any reason ...
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31 views

Acceptable and unacceptable speed for an external USB disk

I think my external HDD is running way too slow but I am not sure. Using XBench I get the following results: Seq: Uncached Write 0.79 0.49 MB/sec [4K blocks] Uncached Write 0.21 0.12 MB/sec ...
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52 views

Hard drive can not be partitioned after shutdown during prior partition

Whilst partitioning my Mac Hard Drive to install Windows 7 via the bootcamp assistant, my computer - oblivious to me until too late - ran out of charge. When I turned it back on, as expected, the was ...
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1answer
549 views

Recover Deleted Files on Mac OSX [External NTFS]

I have accidentally deleted some files on my Mac OS X Mavericks. Actually, I was trying to burn an .img file to my flash drive which was located at /dev/disk1 (at the same time I had connected a NTFS ...
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13 views

Debugging Hard Drive Issues

My SSD system disk is apparently unmounting about an hour after booting, causing "drive is not configured" errors when trying to read any files, and the Spinning Beach Ball of Death. Disk Utility and ...
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0answers
23 views

Can I restore my Time Machine copy from a restored external disk partition?

My external hard drive didn't recognize one of the partitions so I had to bring it to the support guys in order to restore the files if possible. They gave me back the hard disk with some of those ...
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1answer
638 views

Partition corruption, still can see files in single user mode, would like to retrieve files

The problem started after forcing the mac to shutdown. Since then, when trying to boot, it stays stuck at the grey apple with spinning wheel. I've tried a few generic things to be able to access my ...
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1answer
389 views

Macintosh HD not showing up on disc utility

I am trying to do a clean install on my Macbook Pro 13" from 2011. Here is what I did so far: 1) Booted up on my USB Stick with Mountain Lion Installer mounted on it 2) Opened up Disc Utility and ...
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1answer
297 views

Two systems and SSD lifetime increase

I bought a Late 2013 iMac with new generation PCIe Samsung XP941 M.2 based SSD 256Gb. Really powerful SSD. But of course, I was scared about SSD rewrite cycles and wanted to check it because I want to ...
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72 views

How to sync 2 hard drives without being connected to them at the same time?

Set-up: 1 external hard drive at work 1 external hard drive at home Macbook that travels between work and home Hard drive contains iTunes Music Library that I like to have synced between home and ...
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1k views

How to make bigger Macintosh HD partition

I installed OS X Mavericks Server as a virtual machine to ESX. I'm doing some testing and now I need more space. Macintosh HD partition is 50 GB and I have expand it to 100 GB total in ESX but I need ...
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255 views

My Lacie 'Rugged' external hard-drive no longer mounts

My Lacie 'rugged' 1TB external hard-drive has stopped working. I have always been sceptical about the USB connector cable, and more specifically where it joins the hard-drive. It just seems poorly ...
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0answers
272 views

Why is Intel 520 SSD slow in my Mac Pro?

I have a 2010 Mac Pro running OS 10.9 on an Intel 520 SSD. I've noticed read/write times are much slower than Intel claims. Is there anything I can do about this? Intel's claim: Sustained sequential ...
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1answer
168 views

Copy/Migrate FileVault 2 encrypted hard drive

I'm running OS X Mavericks and have the entire hard drive encrypted with FileVault 2. I intend to upgrade to a larger hard drive (actually an SSD). In the past when not using FileVault, I used Carbon ...
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1answer
97 views

Tool to Consolidate Data on Multiple Hard Drives and List Differences Between Filesets

I have several hard drives I've used throughout the years to backup my data. Each one has a different folder structure and fileset. I now have a massive NAS that I want to consolidate all my data ...
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350 views

2007 15" macbook pro disk full won't get past login screen

I was trying to help my brother fix his computer: A pop up that comes up at login that will tell you that your startup disk is full, he logs in and the screen gets stuck without loading any files. I ...
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2answers
660 views

Finder Reports Disk is Full, Other Tools Don't Account for it (UPDATE 3)

I looked at some of the other Q&A here and didn't see a duplicate of this one (e.g., How can I figure out what's slowly eating my HD space? and other linked and related questions). Finder reports ...
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0answers
124 views

How do I temporarily relocate my Time Machine backup files

I have a 1TB WD My Passport external hard drive that I've been using for Time Machine backups. I recently had an issue with it where I can't save to it anymore because it was corrupted. The way to fix ...
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1answer
1k views

Harddrive not recognised on laptop after using in mac book pro [closed]

Please can someone help? I was using an apple mac book pro for work and saved all my documents on a hard drive as i had to return the mac book. I'm now trying to open the hard drive on my laptop at ...
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2answers
348 views

New Seagate hard drive freezes MacBook Pro

I have a mid-2009 MacBook Pro 2.53ghz Core 2 Due with 8 Gigs of ram running Mountain Lion. I am attempting to upgrade the hard drive due to running out of space. I picked up a Seagate Momentus 750gb ...
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322 views

RAID 1 array degraded, now not being recognized by OSX

I've got a pair of Seagate 3TB HDDs in a mirrored RAID 1 array using a Vantec NexStar MX two-drive enclosure. The setup has generally worked fine for the last four months, but lately I've noticed that ...
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1answer
35 views

Can Time Machine be used as a Drobo system

I came across some products by Drobo that let you use an array of external hard drives seamlessly. Would Time Machine be able to do something similar? For example, suppose I have HD1 with photos ...
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1answer
80 views

How to export files from hard drive in Snow Leopard CD?

I have a macbook 5,1 that won't startup. I'm going to reinstall Snow Leopard with the CD, but is there a way to export some of the files that are in it? I can't seem to gain access to them through the ...
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1answer
115 views

Mid 2010 i7 Macbook Pro 6,2 stuck at Apple logo on boot

Recently my 15 inch Macbook Pro (mid 2010, i7) hasn't been booting normally (No drops, no spills, etc). It just hasn't been able to boot normally. The issue I'm having is it only goes as far as the ...
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1answer
125 views

For the Apple SSD drives, will they run slower with less free space available?

From what I understand, most SSDs will run slower once there is 20% or less free space available, due to TRIM/garbage collection. However, are Apple SSDs the same way? The reason I ask is because ...
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2answers
55 views

Corsair GS 180 slowdown in Macbook Pro over a year's time

I installed a Corsair GS 180 SSD (revision 5.020000) in my Macbook Pro, around this time last year. (July 2012.) I ran the Blackmagic Disk Speed Test application, and ended up with: Write: 219.0 MB/s ...
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1answer
25 views

some system binaries are lost

After installing some RAM my macbook pro would not start, diskutil showed HDD failure. Booting in single user mode and running fsck several times to repair the disk lead to a running system. But ...
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157 views

Recover GPT Hard Disk files on Windows

My friends 2008(ish) era macbook pro died recently but the SATA HDD is fine, I have removed it and plugged it into a Windows 7 machine. I can see in Paragon Partition Manager that the drive is a GPT ...