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

learn more… | top users | synonyms (3)

1
vote
2answers
4k views

Macbook Pro boots successfully when using hard drive in USB enclosure but doesn't boot when connected internally

Apologies for the long question. I will keep it as simple as I can. Last week my Macbook Pro (13-inch, Mid 2010) started to act strange. It started when I tried to open Skype and received an error ...
1
vote
3answers
405 views

If I put my old mac hard disk system drive with bootcamp in a USB caddy, after replacing it with an SSD, will it appear as 2 drives when plugged in?

I'm going to replace my MacBookPro system drive / hard disk with an SSD. I will then re-install MacOS and Windows via bootcamp. The original drive will be put in a USB caddy to be used as an external ...
1
vote
2answers
650 views

Backing up HDD to restore it on another SSD

I want to switch out my current HDD for a SSD in my Mac. However I don't want to reinstall the OS and all my software. How can I backup (image) the entire HDD to restore it later as image with Disk ...
1
vote
1answer
117 views

difference between disk size in console vs disk utility

Console results df -h disk utility results What explains the large difference here in capacity as well as used memory? And which is more reliable.
1
vote
7answers
9k views

Partitioning secondary internal hard drive failure

Looks like my 2nd HDD became a brick. I tried to partition it via Disk Utilities/booted from recovery partition/diskutil to no luck! I got vague/strange errors such as: unable to unmount, or: ...
1
vote
2answers
1k views

Find out what process is using my HDD

I know it's the spotlight indexing process, but it's been killing my HDD for the last few days and will not stop. The CPU usage is rather low but fs_usage shows that the mds process is doing something ...
1
vote
2answers
334 views

CCC Lion HD to larger Drive, Advice

I'm running CCC (carbon Copy Cloner) beta 3.4.4-b1 I would like to change the Hard Drive in my iMac and wanted to know if there are any hurdles, steps I should take in cloning my current Hard Drive ...
1
vote
3answers
9k views

Recommendations for USB 3 ExpressCard/34 [closed]

There is a proliferation of portable and cheap portable USB 3 drives nowadays and nothing of the sort for Thunderbolt. I was wondering if it is worth my while getting an ExpressCard/34 USB 3 card for ...
1
vote
1answer
115 views

Apple SSD TSC 128 GB on Windows desktop

My MacBook Pro 2011 is having problems. When I turn it on, I hear the chime but the screen is black. I am planning to send it off to Apple since I have AppleCare. But before I do that, I need to ...
1
vote
1answer
116 views

New “EFI boot” drive appearing after reverting OS X drive to HFS+

Months ago I performed a clean install of Yosemite, and as you can read elsewhere, drive was formatted as Core Storage. Later on I partitioned and put on Windows 8.1 through Bootcamp. Worked well for ...
1
vote
3answers
185 views

MacBook Late 2008 SSD Upgrade

I have the late 2008 edition of the unibody MacBook. It has a built-in HDD which became unbelievably slow. The other tech-specs are: Now, since its not too bad regarding the processor and the ...
1
vote
3answers
519 views

How to recover data from MacBook which won't startup properly?

My 2012 MacBook Pro running OS X 10.7 Lion would not start up properly (it has the doomed flashing white question mark on a grey folder). I have tried the following: couldn't access Safe Mode; holding ...
1
vote
2answers
1k 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 ...
1
vote
3answers
644 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 ...
1
vote
1answer
172 views

Hard Drive Space Discrepancy?

Anyone know why there would be a difference between the number shown at the bottom of the hard drive icon and the number of available space in '7.6 GB free of 272.42 GB' in the screenshot below?
1
vote
2answers
670 views

Why my Mac OS X Startup Disk used space is around 30 GB

I just bought a new MacBook Air 128GB SSD. This is my first MAC. As on Windows, I want to create a separate partition for my Data. The Default partition shows around 30 GB used space. Why is it so? I ...
1
vote
1answer
1k views

External Hard-disk showing Input/Output error

I have a 1TB External Hard drive which I'm currently not able to access. When I open the External drive in Finder, It shows it's empty. When I use the option to "Get Info", I get the dialog box ...
1
vote
1answer
181 views

How to access the internal hard disk with full permissions?

My Mac does not start anymore. The hard disk is stranded :-( Macs and gravity are not good friends. When starting on a backup disk, I manage to see some contents of the internal disk Macintosh HD, ...
1
vote
1answer
41 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 ...
1
vote
2answers
385 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 ...
1
vote
1answer
533 views

Do I need to zero out a new disk after formatting it?

Does anyone know if I should 'zero out' the new disk I bought? It was NTFS formatted so, unable to use it like that. I did a repartition to HFS+ in seconds, and then decided it might be better to ...
1
vote
2answers
148 views

How to keep data from an old Mac to restore later

I have a new Mac, and I want to selectively move files over from an old Mac. I've sold the old Mac and need to ship it today, so what I really want to do is simply take a complete copy of the HD in ...
1
vote
2answers
51 views

Replacing DVD with SSD - What is the best way to test SSD reliability?

There have been some reports of specific SSD versions/speeds not working appropriately in specific MacBooks. Depending for example on SATA chipset etc. (e.g. saga-3 drives in old early 2011 MBP?). ...
1
vote
2answers
93 views

RAID 0 and 1 combo?

If I understand correctly, RAID 1 is two drive that mirror each other, and if one fails, it can be replaced and some hours later, it's a mirror of the good drive. Raid 0 combines 2 drives in a way ...
1
vote
2answers
104 views

Hard drive backup issue in Mavericks

My hard drive had some bad sectors recently, so I backed up, re-formatted, and clean installed Mavericks. Everything seemed to work fine until couple days ago when I tried to look at some photos I ...
1
vote
2answers
2k views

How do I keep the Recovery HD and EFI partitions from automatically mounting on my MacBook Air?

I've set Finder preferences on my MacBook Air running OS X 10.9.1 to show everything on my desktop: I've noticed that storage partitions called Recovery HD and EFI appear there: What are they? ...
1
vote
1answer
12k views

macbook doesn't recognize internal HDD, only when connected via USB

yesterday something weird happened. After my 13' macbook pro ( early 2011 ) was running all night while playing music, in the morning I just closed it and went home from my friends house. When I got ...
1
vote
1answer
48 views

On external drives

When I shop for third-party external hard drives I'm struck by how much more expensive the drives that are advertised "for Mac" are, when compared to those without such qualification. My question is: ...
1
vote
2answers
755 views

Time Machine is Frozen

I am running Mac 10.8.5 on a 2008 MacBook Pro, I have my time machine save to an external hard drive. Recently I have been unable to back up my machine because it gets hung up on 'Preparing Back Up' I ...
1
vote
3answers
228 views

Diagnosing what's wrong with “vintage” iMac

I have a "vintage" iMac with the following spec: I've been told by an official Apple store that they won't touch it and neither will any Apple resellers so it's left me with two options: Buy a ...
1
vote
2answers
3k views

Why do I get back more disk space when I restart my Macbook on Mountain Lion 10.8.3?

I frequently run low on disk space on my laptop. When I'm down to my last gig or so on my 256MB SSD (as reported by iStat Menu), I'll get various warnings from the OS and apps saying that I'm running ...
1
vote
2answers
141 views

Monitor Console.app for a string and notify when found

Is it possible to monitor all messages in Console.app for a string and then notify the user when this string occurs? I have the problem that I'm getting disk I/O errors and I suspect that it's not a ...
1
vote
2answers
8k views

How to upgrade HDD to SSD and replace the optical drive with HDD?

I am trying to understand the process of switching out my HDD for an SSD and then replacing my optical drive with the same HDD just removed in a late 2011 Macbook Pro 15.4". Is there any benefit to ...
1
vote
1answer
309 views

Open an encrypted HDD/USB on Leopard?

Is it possible to access an external HDD or USB drive encrypted on Lion, through a Mac running Leopard? In other words, is FileVault 2 encryption on volumes/partitions backwards compatible? (It ...
1
vote
2answers
6k views

MacBook Mac OS X Install DVD not loading on new hard drive

I have a MacBook Pro 13 late 2008 for which I just replaced the HD with a WD Blue notebook 500GB, 5400rpm, model WDBABC5000ANC-NRSN. After replacing the HD, powered up the MBP, the screen displayed a ...
1
vote
3answers
946 views

External hard drive frequently ejects itself when using Aperture

I have a brand new external hard drive which frequently ejects itself on a regular basis (every ~20 minutes or so), seemingly only when I have Aperture open (my Aperture library is located on the ...
1
vote
2answers
641 views

Is there anything like NVELO Dataplex (hybrid SSD/HDD software) for OS X?

I'm interested in upgrading my old MacBook to using an SSD and moving the data drive to where the DVD drive is using an optibay. Often SSDs come with a licence for NVELO Dataplex software (which is ...
1
vote
1answer
3k views

Unable to unmount drive!

Somehow my harddrive seems to fail, I am not able to startup anymore. When I started in verbose mode, I noticed that the harddrive return I/O Errors and the B-Node-Tree seems to be corrupted. I was ...
1
vote
2answers
1k views

My USB Devices seemingly disconnect at random intervals

I have a Early 2008 24" iMac. On my USB ports, I have my wired keyboard, my external Seagate HD (for Time Machine), and I have a joystick. For quite some time, it seems like all of my USB devices ...
1
vote
1answer
826 views

Compatible SSD for Macbook Pro (replace HDD)?

Any special compatibility concerns when replacing the HDD on a MBP with an SSD? I am running Parallels with XP Pro and Ubuntu and have been disk bound for some time. Not too concerned about size, ...
1
vote
2answers
359 views

Reinstalling software on a brand new (non-formatted) drive - MacBook

My sister gave me her old Macbook that had a bad hard drive. I replaced it with a non-Apple drive and tried to install her software on it, but had no luck at all. I did successfully load/run Ubuntu, ...
1
vote
2answers
1k views

Using the Seagate FreeAgent Desk for Mac on PCs

Is there any way I can use the Seagate free agent Desk Hard Disk for Mac on a PC? Notes: When this disk is plugged into a PC(running Linux, say) the disk is recognized as a separate drive, but we ...
1
vote
1answer
831 views

Why do external hard drives run so hot while mounted and idle on a Macbook Pro?

When my external drives are mounted and idle on a Macbook Pro, they run hot. Why? I do not have the same experience with NTFS volumes on my Windows box, where's the difference in idle disk usage? ...
1
vote
2answers
2k views

Is it possible to Move a bootcamp partition from one drive to another?

When I got a new MacPro last year I formatted one of the additional (i.e. non-boot) drives with Bootcamp and installed Win 7 x64 on it. This set up has been working well these last 12+ months but I ...
1
vote
2answers
5k views

iMac refuses to boot, Disk Utility always says there are drive errors it can't repair — what to do?

This is a follow on to the question I asked about replacing the hard drive in my iMac. The restore from TimeMachine finished and the machine still won't boot. Just the white screen, Apple logo and ...
1
vote
2answers
48 views

Can I keep 1 specific backup on an external hard drive as it fills up and deletes older backups? [duplicate]

I've just moved 262GB of photos to a new external hard drive (1 TB), freeing up my MacBook Pro, 1 year old, which was dangerously low on space. I first backed them up on an existing external hard ...
1
vote
1answer
38 views

ExFAT partition on External HDD not showing up on Bootcamp Windows 7

So I partitioned one of my external HDD's for my bootcamp windows, just so I could install some Windows files without having to resize my partition by erasing it and reinstalling. Using disk utility ...
1
vote
1answer
38 views

Impossible deactivate the disk

Some time ago I split the hard drive (500gb) in two partitions (250 each), now I have first successfully erased one partition but I still have the second one (Mac HD 2, which runs Mavericks) but I can ...
1
vote
1answer
44 views

Save data from broken Macbook Pro HDD

I have a broken Macbook Pro HDD with two partitions on it: OS X and Bootcamp. I need to take some files from both partitions: the HDD is now mounted to another PC via. SATA adapter Windows sees the ...
1
vote
1answer
106 views

Hard drive no longer accessible

This is a 4 TB hard drive formatted in Mac's Disk Utility as a single non bootable Exfat partition with the drive letter G. It worked fine before I decided to make a clone drive of my C bootable ...