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

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138 views

Find Time Capsule HD Specs

How can I find out the specs from my Time Capsule hard drive? It doesn't appear in Disk Utility (a mounted disk). More specifically, I'd like to know the manufacturer and model, much like the System ...
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1k views

Disk Utility Error Message - Missing EFI + MediaKit

Previously setup was with 2 partitions, one for normal use while the other had the Lion Install ESD on it, used when I installed some time ago. The other day my machine suddenly shutdown and when I ...
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163 views

Failing hard drive – Will it affect the integrity of my data?

I have a failing hard drive on my current MacBook Pro (it is having a symptom that I previously had on a failing hard drive on a MacBook – clicking drive noises). I'm backing up my hard drive quite ...
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105 views

Lion doesn't mount encrypted disks anymore

I have several encrypted disks and all of a sudden Lion isn't mounting these disks anymore (it doesn't even asks for a password when I plug the disks). I have tested the disks on another Mac and they ...
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351 views

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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477 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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2 views

How do I make sure the firmware for my newly installed SSD is up to date for Mac OSX? Note: cannot use optical drive

Installed a 2nd HD (SSD) onto my 15" MBP and wasn't sure how to upgrade the firmware. SanDisk 120 GB SSD. Anyone know?
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4 views

Mid 2010 MBP 15" - Manually Upgraded MBP, what should be my next steps?

I've been reading up on what to do after manually upgrading my MBP, and answers vary per individual/profession. I replaced Optical Drive with an 120GB SSD, and made SSD into bootdrive, HD into ...
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3 views

Recovery of Deleted Partition That Has Been Partially Overwritten

I refer to How to recover a deleted/replaced HFS+ partition from external drive?, which provides an easy way to recover partitions that have been deleted but are still intact. I have a harddrive ...
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33 views

Help - I can't boot into Windows 7 on Bootcamp

I have a mid-2009 MBP. A couple of years ago I swapped out the optical drive for an SSD, made the original hard drive a Bootcamp partition and installed Windows 7 on it. It has been a brilliant 'best ...
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23 views

Does free disk space actually help mac performance?

Anyone will tell you that freeing disk space will make your mac faster - specially noticeable if your disk is almost full. I don't know if that's true. Is it? And why, exactly? I just don't see how ...
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38 views

Reclaim unallocated disk space on macbook pro?

I had portioned my hard drive into two (mac and Windows). Later I portioned the primary (mac) into two but figure my Windows were not loading so I changed it back into one. The problem is there is ...
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79 views

How to set VirtualBox in order to access external hard drives in guest Win7?

I have installed VirtualBox in order to use Windows 7 as guest on a Macbook Air running Mavericks (mainly to be able to use a printer that has no drivers for Mac). Also, I have installed the ...
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27 views

Time Machine, Drive not available

My friend has a MacBook Pro. I've wanted to do some backup on an external drive (Lacie 1TB) with Time Machine. Now, since the backup is in the external HDD, I can not use the internal drive of the ...
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8 views

Throttle local file transfer speed in OS X

I have two high speed disks (250MBps) attached to my Mac Pro. For testing purposes, I want to copy files from one disk to another, with a defined speed limit, for example 100MBps. In other words, I ...
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25 views

Why does the diskutil shows I have two local hard drives?

I was trying to get my NTFS drive to work today and I discovered that the diskutil thinks I have two local hard drive. This phenomenon is not occurred on my Macbook Pro. Do anyone know why? Here is ...
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24 views

Migration issue - duplicate user account

I've got a situation that I don't know how to resolve. I've had a Mac setup and all worked fine. I've bought an SSD drive, installed Mavericks and used the migration assistant to move all the stuff ...
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35 views

iMac14,1 disc: 3Gb/s or 6Gb/s?

Does anyone have an iMac14,1 with the following disc? ST1000LM024 HN-M101MBB This is a 5400 RPM Sata-II interface drive. I am curious regarding it, as I went in to the Apple Store to see what the ...
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169 views

I want to install Windows 7 on an external drive

I've read two articles about booting Windows from external drives as opposed to a stock Bootcamp install. Here are the links: http://kevtg-compuproductive.tumblr.com/ ...
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33 views

Something like MHDDFS for OS X?

I'm trying to have my Mac Mini take over all my server's functions (I'm recycling the server hardware into a Linux workstation). Its pretty much all done, except for the file-serving portions. ...
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26 views

How to read apple HDD on linux without root privileges?

My question is very simple. I just want to read my Apple HDD on my linux computer without root privileges. My goal is only to read and copy some file from my home directory (in Documents). Currently ...
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18 views

FileVault drive asks for password, doesn't accept it, but mounts

I have an external drive that I use as a bootable clone (using Carbon Copy Cloner). Sometimes, though not always, when I connect the drive, I get an alert saying "Enter a password to unlock the disk". ...
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22 views

AirPort Extreme network drive only uses the free space

I'm trying to expand my network by attaching a hard drive to my AirPort Extreme. The whole setup works and the drive is accessible by any computer connected to the WiFi, but for some reason, the ...
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79 views

External FW HDD not showing up in Finder, but still functional in FCP 7

Okay, so this has been a very baffling issue... We have two OWC Mercury Elite Pro hard drives that have been perfectly functional since we got them a few months ago. We recently upgrade to 10.9 on ...
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37 views

Diagnose if corrupted volume is due to hardware problem

This morning when turning on a Mac laptop, it suddenly announced that an external backup disk (which was connected overnight) "can't be repaired". Disk Utility also says: Disk Utility can’t ...
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47 views

External hard drive un-mounts and mounts itself

I have a Seagate external hard drive formatted to HFS+ that won't stay mounted for more than a couple of seconds however then mounts itself again only to unmount itself again and this keeps happening ...
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172 views

2nd HDD in Early 2011 MacBook Pro ejects during large file transfers, but only in OSX

I recently installed a 1TB HDD in my early 2011 13" MacBook Pro using an MCE Optibay. The stock 120GB SSD houses an OSX Mavericks install and a Windows 7 install, done basically via Bootcamp. The 1TB ...
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79 views

SSD in mid 2011 mac mini

I was thinking about upgrading my mac mini mid 2011 with an ssd, following i-fixit guide. in the mid 2011 do I have enough space for an SSD + HDD configuration using the mounting kit provided by ...
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155 views

My external hard drive is full, now I can't mount (or see) it

First off, I'm using a 3TB western digital external hard drive with a mac-mini running Mavericks osx. I was backing up a lot of data to my external hard drive, and then I went away for a few hours. ...
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97 views

Reduce impact of Disk IO on performance

I've never found that OS X has been exemplary at handling responsiveness under Disk IO, but Mavericks has made it so bad that I've been barely able to use my machine whenever a backup kicks in. ...
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60 views

Splitting user and system across multiple volumes

I'm migrating from a large HDD (1.25TB DIY Fusion Drive) to a pair of SSDs (256GB + 1TB). I want the 256GB one to mount as /, and the 1TB one to mount as /Users. In previous versions of OSX, you could ...
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63 views

How to mount a VMware startup disk as read-only?

I am using VMware Fusion 5. I have several disk images (*.vmdk mostly) that I would like to mount as read-only. They are sensitive disk images that should not be connected to the internet, nor should ...
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268 views

Cannot completely eject my external hard drive on Mac OS X 10.9

I am using Mac OS X Mavericks (10.9). And wanted to attach my external hard drive to VirtualBox ubuntu virtual machine. To do this, I should completely unmount and eject all external disk partitions ...
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77 views

Cannot partition hard disk although file system is OK

Here is what Disk Utility logs when I try First Aid → Repair Disk: Verifying and repairing partition map for “TOSHIBA MK3265GSXF Media” Checking prerequisites Checking the partition list Adjusting ...
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687 views

How do I get my iPad to show up under DEVICES in iTunes 11.1.3?

I've been having problems seeing my iPad (and my iPhone, haven't tried my iPod) under the DEVICES section on the left (where the STORE, GENIUS, PLAYLISTS, LIBRARY are located) in iTunes 11.1.3. It ...
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192 views

Can't encrypt external hard drive

I'm trying to encrypt an external drive of mine using Apple's built in drive encryption tool into OS X through Finder. The drive is formatted as Mac OS Extended(Journaled) and I'm plugging the drive ...
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201 views

Unable to create new partition with Disk Utility on external drive

I'm trying to create space on an external drive to clone my mac as a bootable volume with CCC. With Disk Utility I cannot modify it for some reason (probably because the same disk is used with Time ...
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44 views

Used iMac with lion installed, no discs. Do I upgrade to Mountain Lion? Rename HD?

Just bought a used iMac (mid 2011) with Lion installed on it. I do not have the install disc so I am wondering if I should upgrade to mountain lion or continue as is and hope I never need the system ...
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198 views

Is there a “windirstat”/“Disk Inventory X” type iOS app? (ie app for visualizing hard drive usage on iOS)

This is a pretty simple question. Assuming you know what WinDirStat &/or Disc Inventory X do, which is visualize the usage of your hard drive on a file-by-file basis, sized in proportion to the ...
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433 views

Upgrade Firmware on Samsung 840 when part of a Fusion Drive

I have successfully created a fusion drive using an 256GB Samsung 840 Pro and am loving it - but am experiencing (my first) system crashes (on my mac) ever since when I send my MBP to sleep. I read ...
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75 views

CPU really busy every time I plug in an external HDD

I have a white MacBook, from 2010. I recently upgraded its software from Snow Leopard to Mountain Lion. Now, I am experiencing 2 problems (not sure if related with the OS upgrade or not, but looks ...
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44 views

Recover from deleting all partitions. I don't want to keep OSX

I've tried to install Fedora on my 2007 Mac Mini, using rEFIt to boot from the USB. Thanks to Fedora's horrific excuse for a patitioner, I believe I've deleted all the partitions on the HDD. I had ...
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110 views

macbook may have corrupted filesystem? or hardware failure? ssd and hhd not interacting properly?

i'm having weird computer problems. i'll explain in detail Setup: Black macbook 1,1 core 2 duo ...
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231 views

Macbook Air hard drive crashed, download Lion without paying again?

2 days ago my girlfriend's MacBook Air crashed (mid 2012, running OS 10.8), only showing the infamous "folder" icon. Usual stuff did not help, reboot pressing alt, cd, etc. We went to an Apple Store ...
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52 views

10.8.5: Resume Disk Utility after a standby

Is it possible to resume a partition resizing operation after the computer went in standby? I've (sadly, without a choice) used my girlfriend's MBA to resize a partition on a disk. I was on battery ...
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87 views

Cannot boot Ubuntu from USB 2.0 on OS X

I'm running OSX 10.7.5 on a Mac Mini 2012. I'm trying to boot Ubuntu, but keep running into issue, after issue. This is what I have done: Got an extra external hard drive an formatted to MSDOS with ...
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100 views

copied files from one drive to another showing incomplete progress bar

Copied files from one drive to another showing incomplete progress bar in mac. When recopying them it seems as they were complete.
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77 views

What is the limiting factor in /dev/zero speed?

I have installed 4 brand-new SATA hard drives in a mac pro. My OS is running on a fifth drive (SSD). I run this command pv /dev/zero -tpreb | sudo dd of=/dev/rdisk1 bs=512k for many hours to ...
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139 views

Is there a way to boot on iMac from usb using a different OS and access osx files to back them up

I am having issues starting up my iMac. I would like to know if i create a bootable usb with Ubuntu or any other OS, would i be able to boot with it and access the OSX drive? I able to do this in ...
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143 views

Apple's target disk mode recognizes my bootcamp (windows) but not my Mac HD?

Needless to say, my Mac HD is corrupt and Im looking at erasing and installing Mac OS from scratch. I have been able to copy a bunch of files from my MAc HD using MAcDrive on my windows partition. ...