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

learn more… | top users | synonyms (3)

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
1answer
26 views

Mac terminal stop hard drive from spinning

Can I stop hard disk drives from spinning using Terminal? The reason why I want to know is because I have my Mac to backup at midnight however I do not want my HDD to be spinning all the time. I ...
1
vote
1answer
34 views

What takes so much space in my external disk?

My external disk (LaCie) is full! When I look at the individual folders within my disk, I see that only little space is occupied by visible documents. So I displayed the hidden files and found small ...
1
vote
1answer
32 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 ...
1
vote
2answers
296 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 ...
1
vote
1answer
39 views

Macbook pro mid-2010- water damage - but still plays chime?

Hey guys it's been a week since my macbook pro had water leak into it, Im pretty sure something is fried :( But now when I try to boot it up I hear the startup chime, what does this mean? Should I buy ...
1
vote
1answer
63 views

Need solution for RAID from old Mac

I have an old Hackintosh which I no longer use, except as a server to access 2 RAIDs made of 6 disks. The machine is too big, uses too much power, makes too much noise, and generates too much heat to ...
1
vote
3answers
1k views

Something's eating my disc space - Mac OS X [duplicate]

So something's swallowing about 800gb of disk space on my mac. I've ran Disk Inventory X and Omni Sweeper, and both show that my main OS drive only houses 30 GB worth of data. 10GB of that is Home ...
1
vote
1answer
1k views

Macbook Air intermittently can't find startup disk

About six months ago, my Macbook Air started having a strange issue where it would often not be able to find the startup disk, giving me the flashing question mark. Initially, I was convinced the hard ...
1
vote
1answer
400 views

Time Machine Backup accidentally unplugged, can't repair

I accidentally removed my Time Machine backup without ejecting. It didn't show up in Finder after I plugged it back in and Disk Utility cannot repair it. Disk Utility recommends reformatting the disk, ...
1
vote
1answer
51 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 ...
1
vote
1answer
521 views

Is it safe to delete heapdump.hprof.old?

I'm on a mac book air running OS X 10.9.2. I want to free up space. I see that a file called headdump.hprof.old is occupying a lot of space. Is it safe to delete it? What does it do?
1
vote
1answer
36 views

Size of my Cd-Rom (SATA)

I have a macbookPro 15'' mid 2009 and I want know which size is my cd-rom (SATA)because I have to buy this "component" where can I find this information ? My Cd-Rom is 9,5mm - SATA/SATA ?
1
vote
3answers
923 views

How can I wipe a disk from a Mac with firmware password set?

I'm in a somewhat odd situation: I need to wipe the disk of a MBP, but I can't boot into Recovery Mode/from a CD/etc. as there is a firmware password set. Is there a way to wipe the disk from within ...
1
vote
1answer
77 views

Time Machine: Mobile incremental Backup

Imagine I do backups using Time Machine at home just like everybody else. But as I travel often and of course also work on the road I also need to have a mobile backup solution. I thought about the ...
1
vote
1answer
21 views

Log for the root directory of an external HDD

I really doubt that this would be possible, but is there any chance that OS X 10.7.5 logs the root directory contents of an external HDD that was plugged in through a USB drive a week ago? My ...
1
vote
1answer
69 views

Can OS X Combine Physical Disks

I have OSX Server 10.5.8 installed on a drive and I would like to combine 2 USB drives together to act as one drive. Is that possible?
1
vote
3answers
160 views

Set a Volume's permissions to group write for all files and folders

To me this seems like it should be easy but I'm having a hard time finding a very good answer that seems definitive to me. I have a I have a hard drive mounted that my wife and I share (internal ...
1
vote
1answer
9k 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
586 views

Get the UUID from a mostly dead hard drive?

I have a mostly dead internal hard drive in my '07 iMac. I've switched the machine over to an external FW800 drive but every now and then, on reboot, the mostly dead internal drive will mount on boot ...
1
vote
1answer
1k views

Cant copy because file is too large for format

I too was getting the error that I could not copy some files as there were over 4 GB. I was attempting to transfer .avi files.I reformatted the the thumb drive to Mac OS Extended(journaled) however ...
1
vote
2answers
6k views

How to Erase Hard Drive Mac System (this partition can't be modified/unmount)?

I want to erase a disk (Mac system) to resize OS X Mountain Lion to the max volume but I couldn't resize it nor unmount the other disk.
1
vote
2answers
444 views

Transfer data from one iMac to another

I have an iMac that sounds as though the hard drive is about to fail. It has the following spec: I then have a newer iMac with the following spec: Is there a way I can transfer all the data from ...
1
vote
1answer
497 views

RAID 1 with a Mac - how to avoid formatting one of the drives

I have an iMac with an external 2TB HDD. I recently bought a second 2TB HDD in order to build a RAID 1 (mirrored) with the two drives. The problem is that Disk Utility forces me to create a new RAID ...
1
vote
3answers
2k views

Is my hard drive starting to fail?

My MacBook Pro (mid-2012, 16GB, i7 2.3) has started to misbehave: very slow to start up and shut down application launches are slow system becomes nearly unusable when "free" memory approaches zero. ...
1
vote
1answer
215 views

OSX 10.7.5 renaming attached Firewire drive

My Mini was running out of disk space, so I attached an external Firewire drive and moved all the Home directories (a bunch of users on a home machine) to it. I'm pretty sure that was done correctly, ...
1
vote
1answer
7k views

Macbook crashes at startup after process bar appears

Today the Macbook pro I purchased in December got quite slow, and so I decided to reboot it. I restarted it normally through the system, but it had not started up when I checked few minutes later. ...
1
vote
2answers
488 views

Mac OSX - Install Failed

The hard drive went on my late 2008 MacBook Pro so I replaced it. I tried installing 10.8 from a bootable USB which failed so I went back to the origional system disks. When I tried to install OSX ...
1
vote
1answer
2k views

How to deactivate Adobe CS6 install on a damaged/corrupt mountain lion OS hard disk?

I have tried running the disk utility repair tool on my Mac OS HD to no avail. So I moved on to backing as many files (Documents, iPhoto Library, Desktop Data etc...) as I could through my Windows ...
1
vote
1answer
474 views

Use two external hard drive docks to retrieve data from RAID 0 disks

Some while ago, I fried the power supply inside of my WD MyBook Pro Edition II, leaving the disks intact but rendering the enclosure itself totally useless. So now I have two 500GB 3.5" SATA drives, ...
1
vote
4answers
420 views

Which has more effect on software launch times: processor, RAM, or Hard Drive?

I am looking into getting a new Macbook Pro (hopefully they'll have late 2013 models). I currently use my early 2011 Macbook for iOS app programming and light graphic design work with Pixelmator. I ...
1
vote
2answers
720 views

OS X accessing external drive

I noticed that when I plug in an external NTFS HDD something is reading it and it doesn't stop for a long time... I checked with fs_usage and saw this: 23:26:54.189404 read F=5 ...
1
vote
1answer
432 views

How can I recover photos from a damaged MacBook?

My grandson spilled orange juice on my MacBook and ruined it. I bought an iPad to replace it, but I had dozens of old family pictures stored in iPhoto on the MacBook. Is there any way I can recover ...
1
vote
1answer
436 views

Freezing, disk i/o problems iMac

I have a desktop iMac with Snow Leopard installed on it. Every few minutes, I get freezing and "kernel disk0s2: I/O Error" in my console. I did some research, and found that my hard drive (a WD I ...
1
vote
1answer
1k views

Running out of hard drive space, yet Disk Inventory shows only 190GB used vs. 480 GB used in HD Get Info? How is that possible?

I'm down to 20GB on a 500GB hard drive and would like to know what's eating up the disk space, so I can clear out any large things I no longer need. 2 screen shots are showing me Disk Inventory ...
1
vote
1answer
688 views

how do I reset or clear the list of Volumes?

I am running into this problem when I accidentally remove a USB drive without properly ejecting it or similar and then plug it back in. When my drive is plugged back in it will apear normally, for ...
1
vote
1answer
45 views

RAID system with external hardrives

I have a few external ssd hardrives (My Passport, in my case). I would like to integrate them within a system that provides reliability in case of failure, by producing redundant information across ...
1
vote
1answer
1k views

Can Macintosh HD partition be resized while a BOOTCAMP partition resides on the same physical volume?

I have a HFS-partiion, a bootcamp partition and 100GB free unpartitioned space "in between". How can I resize my Mac partition to use it? All resizing controls seem to be disabled, here's the ...
1
vote
2answers
3k views

Can I replace optical drive with 2nd hard disk on MacBook?

I have a unibody MacBook, late 2008 I think. The optical drive failed and I wondered about adding a second hard disk. Is this simple to do?
1
vote
3answers
1k views

Mac OS X with swap turned off uses 6 GB of space in a few hours of heavy use

I have few GBs (5,38 GB at the moment) of free space on my hard disk (MacBook Pro 2010, 10.7.5). Few hours after I turn on/reboot my computer, the free space slowly goes down to zero and the system ...
1
vote
3answers
2k views

Time machine: network hard drive vs Time Capsule

I read that is possible to set up a Network Hard Disk in order to connect it to the router and perform wireless Time Machine backups on the Hard Disk. What are the pros and cons of using a Network ...
1
vote
1answer
3k views

What does “DOE compliant” mean in Disk Utility?

When erasing a drive with Disk Utility, you have a couple options. An insecure wipe, a single pass of zeroes, a "DOE-compliant" 3 pass, and a DOD (Department of Defense) 7 pass. DOE doesn't stand ...
1
vote
1answer
786 views

How can I mount disks via cron in Mountain Lion?

Is there a way to mount disks in Mountain Lion that works with cron? The following command works fine from the Terminal: /usr/sbin/diskutil mount disk1s6 But when executed via my crontab, it ...
1
vote
2answers
5k views

How to partition an SSD that fails with error 69888 - couldn't unmount disk?

I erased the SSD drive in my MacBook and was reinstalling Lion when it failed about 75% through the install. Now in Disk Utility, sometimes I see the SSD drive and sometimes I boot and it's not there ...
1
vote
2answers
3k views

Are there any wireless hard drives work well with Lion or newer Macs?

Are there any wireless hard drives to use with a mac? I need to copy paste files from and to this hard drive, when the disk on my mac is full. Do I need to look for a specific Apple drive or will any ...
1
vote
1answer
860 views

How to auto mount internal SATA hard disk drives after power failure/interruption?

In a Mac OS X 10.7.5 (Lion) system with two internal SATA drives, the internal drives are connected via a Highpoint Rocketraid controller and are configured without any RAID thus operating in legacy ...
1
vote
2answers
351 views

Is “The disk copy of 'filename.psd' was changed since…” dialog a sign of harddrive issues?

I saw this message and I'm not sure if it is a sign of harddrive issues (corruption, etc) or anything I should be concerned about. It popped up in Photoshop when saving. Might also be worth noting ...
1
vote
3answers
663 views

Any partition software just to partition unused space?

Currently I have one portable external hard drive which I use for Windows. It's 1TB and over 300GB is used space. I would like to partition it so I can access the unused space from my Mac. Can you all ...
1
vote
1answer
212 views

How can I hide a local disk in Finder at root level?

I want to hide some local disks from left pane (Devices section) in Finder. I want to remove them from the list of all disks at root level. What is the command in terminal? PS: I can't unmount ...