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

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Terminal command ls/cd not finding any files on external harddrive

I'm having a bit of trouble with my external hdd and terminal. I've been able to access files on it via terminal in the past, but since I upgraded to El Capitan I can't seem to find anything on my ...
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3answers
191 views

Internal vs. External Storage for a new Macbook

I want to get a new MacBook Pro, and am confused by the storage options. The Apple website offers 2 different options for storage: Preinstalled internal flash storage (256, 512, or 1 TB) Thunderbolt ...
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5answers
239 views

Move HDD from a MacBook Pro (Mid 2012) model to another MacBook Pro (Mid 2012) model

I have a HDD from MacBook Pro (Mid 2012) model: OS: Yosemite; The content in the HDD is important to me. I want to know If I can buy a MacBook Pro of the same model, Mid 2012, and simply hook the HDD ...
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3answers
2k views

How to install Windows 10 on external SSD that currently runs OS X?

I made the mistake of purchasing a MBP w/ only 128 GB of storage. When I ran out of space on the internal drive, I purchased a 512 GB external SSD, transferred all the data over to the SSD, and now ...
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0answers
29 views

new Hd and shuts down iMac 2010 mid 27 inch issues

HD died, read tutorial, installed new Hd connector position was not closely monitored on restart fan was loud had time machine back up (old by 2 months ..i know...) downloaded a fan control app (?) ...
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0answers
26 views

Macbook booting up in Recovery Partition by default after dual-SSD/HDD

I've installed a SSD, and cloned my earlier HDD OS X to it using Carbon Copy Cloner. Now, whenever I boot-up, the MBP by default boots to recovery partition. How do I correct this? How do I ensure it ...
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2answers
150 views

Cloning Macbook Pro HD to external HD and still using it

I am still on Mavericks and want to upgrade OS X, but since I use a lot of audio apps, plugins etc that would break - I am looking for a way to clone my entire Macbook Pro 1TB SSD as it is right now ...
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2answers
32 views

Swapping internal hard drives

I have a mid-2012 MacBook Pro into which I had installed an OWC data doubler SSD (removing the optical drive). I originally placed the SSD in the original HDD bay and moved the HDD to the data ...
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1answer
507 views

Reformat exFat with specific Device Block Size and Cluster Size

I have an 512 GB SSD on my MacBook Retina with one of the volumes disks0s6 formatted with exFat to use it on both Mac and Windows. diskutil info disk0s6: Device Identifier: disk0s6 ...
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1answer
160 views

Something is constantly eating my hard disk space [duplicate]

Something is constantly eating my hard disk space. This pattern happens very often: I free some space by deleting stuff (5-8 GB) In about half an hour I have 0 (zero) free space I have not ...
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2answers
47 views

I need administrator password for file management on external hard drive

So I have an external hard drive, my passport, that used to be a Time Machine, but now I use for basic file storage. Whenever I try to add a folder, or manage files, it asks for an administrator ...
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0answers
32 views

How can I issue a S.M.A.R.T. Enhanced Security Erase command to a HDD?

I have multiple hard drives that I need to erase before selling and some before going in the trash due to bad sectors. I'm not fond of software level data erasing (Disk Utility, DBAN, DD, etc) as it ...
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0answers
60 views

Time Machine backup not progressing

I'm experiencing issues running backup on an external encrypted USB 3.0 HDD. The backup starts and stop proceeding random. I'd tried to wait many hours without any progress. For example in these ...
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1answer
72 views

MacBook Pro 2012 Model A1278 Flashing questionmark file

My Mac started off by giving me the spinning ball of death for an unreasonable amount of time so I caused a force shut down (I know, unwise) and tried to restart it. Came up with the file error. I ...
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0answers
67 views

Cannot delete Free Space on iMac 5K after I deleted Boot Camp partition with Disk Utility

I had Windows 10 installed via Boot Camp, and everything was running smoothly, except I did not think ahead when I had made the partition initially. So as I was using Windows more, I eventually ran ...
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2answers
175 views

Disconnect external HD when installing El Capitan upgrade?

I use an external HD with Time Machine to back up data. Should I disconnect external HD before installing/upgrading to El Capitan?
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1answer
186 views

Boot from usb take forever

Recently I made the stupid mistake of erasing MacBook Pro (2012) HDD without immediately installing OS X. And now it can't even boot or get to recovery utilities. So I decided to make a bootable OS X ...
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1answer
39 views

Recover my lost data

I wanted to delete my Linux partition, but I don't know why my OS X partition was also deleted. So, I then reformatted the partition and installed a new OS X (Yosemite) on that partition. I am ...
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0answers
26 views

I can't transfer data from my hard drive (FAT32) to my laptop

I have been using this hard drive for a while now and recently I haven't been able to transfer files from the hard drive. I have stored close to 500 GB of data and now that I am trying to move some of ...
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0answers
28 views

Disable boot volume

I would like to know how to stop a volume from being bootable. I've recently installed an SSD into an iMac by replacing the DVD drive with an SSD. The original hard drive is still in the iMac and is ...
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0answers
47 views

OS X Harddrive locking me out

I am trying to log into my mac (OS X Yosemite) but it keeps showing me this: I can't even go to recovery mode because when I hold option after rebooting, the only thing that comes up is "Macintosh ...
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0answers
12 views

Recovering a partition on a flash disk

The other day my 128gb flash stick refused to be recognised when I plugged it in, giving me a 'failed to initialize' error with options to format it or eject. This was particularly frustrating because ...
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1answer
537 views

How to remove/delete a partition in single-user mode?

I have a HD partition that is having problems. I have 3 partitions on that drive. When the partition is mounted (after boot) the disk can not unmount. However in single-user mode the partition is not ...
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1answer
30 views

Does Apple have a warranty on their hard drives?

I got a hard drive installed about a year or so ago and now the hard drive seems to be failing. Making intermittent beeping noises. I got the hard drive installed at the genius bar. Is there an ...
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0answers
165 views

Hard Drive: I can see it in /Volumes, but it does not show up in Finder

I'm connecting my external Hard Drive on my Mac. It's a NTFS drive. It used to show up normally on Finder's sidebar and Desktop as well, but it doesn't anymore. But it does show up in /Volumes ...
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1answer
162 views

Fusion Drive with missing partition

Initially my Fusion drive (1TB data disk + 240 GB SSD) consisted of a single partition where it was installed El Capitan, then I split the fusion drive into two partitions, the second partition I ...
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1answer
19 views

Securing USB Drive in Place on iMac

The internal drive of my iMac went bust recently, the iMac is not under warranty anymore so I do not plan to fix it anytime soon. At the moment I am using an external drive and I am managing. The only ...
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8answers
12k views

Time Machine ridiculously slow after El Capitan upgrade

I recently updated to El Capitan, and told Time Machine to backup. It got stuck on Preparing Backup for hours, so I stopped it, deleted the InProgress file, rebooted and tried again. After ~30 mins, ...
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0answers
124 views

What are the advantages or disadvantages to Logical Volume Groups vs traditional partitions

I recently installed a new 3TB hard drive on a Mac Pro (3,1) running yosemite. With other hard disks, I had previously installed the hard disk and then erased in disk utility getting the traditional ...
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0answers
74 views

Western Digital Firmware updater will not detect drive

I have two western digital for mac external hard drives. And both were disconnecting when I plug them into a USB 3.0 external four-way port, but not a USB 2.0 port. Found out this was a common ...
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1answer
44 views

Could I connect a macbook pro to an external hard drive for use with time machine

I want to know if connecting a macbook pro to an external hard drive for use with time machine when I am not using it, at night, will work. If I then disconnect it in the morning (regardless of the ...
0
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1answer
268 views

Read files from old windows-formatted external USB hard drive

Years ago, I used an external USB hard drive with my PC (most likely Windows XP at the time). I've been trying to recover some files off of the old drive, but I no longer have a Windows machine and ...
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57 views

Scripting a Partition Scheme for CoreStorage - Mac

I've read a lot of information about the CoreStorage/Fusion Drive setup. In our environment, we work on a multitude of configurations of Macs, many with multiple operating systems on them. As such, ...
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1answer
164 views

Boot Camp failed and reduced Macintosh HD partition from 3TB to 1,46TB

What went wrong? I created a new partition with Boot Camp Assistant (OS X 2,25TB | WIN 850GB), but during the partition process, the iMac suddenly restarted. When it got back on the Fusion Drive's ...
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4answers
15k views

Can't write on external HDD after upgrading to OS X El Capitan

I am using a LaCie external hard disk in my MacBookPro for 3 years. After having updated to OS X El Capitan, I am no longer able to write on the HDD and I have read-only privileges. Info shows that ...
2
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1answer
158 views

Help partitioning “free space” with utility disk

I've been trying to partition my harddrive to have ~50 gb of unallocated space (right now there's one partition with the operating system on it, so I would like to have that plus the free space). This ...
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1answer
97 views

Startup Disk Full: Core File

The storage on my start up disk is being consumed by some kind of core files labeled as cores:1234 (numerical digits change). I downloaded OmniSweeper, which helped me locate these files and aware ...
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2answers
29 views

Trying to revive an old hard drive

I had a few old backup drives from my Windows computer that I wanted to go through. They are 5-6 years old. And they are internal drives so I got a USB adapter kit from the brand Deltaco. So far I ...
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0answers
19 views

How to fix this hard disk on a virtual machine?

I have been using OSX on a virtual machine for some time, for developing purposes. From today, I'm starting to have hard disk issues. The Disk Utility Tool says that the hard disk has 107.37 GB, but I ...
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1answer
87 views

Finder error -36 when copying from data Blu-ray to HD

I've been having a re-occurring problem reading data from self-burnt data Blu-ray discs. I'll try to copy the contents of a disc to an external HD and nearly every time, at some point during the copy, ...
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1answer
886 views

Can't partition SSD

Hello I tried to install Windows 10 on my Mid 2012 13' MacBook pro with a Samsung SSD 850 EVO 500GB installed. In Boot Camp it won't partition my SSD. I also tried it in disk utility but it doesn't ...
2
votes
1answer
12k views

Why does Apple recommend a 2TB FD over a 1TB Fusion Drive for iMacs with 32GB of memory?

Under the 'Choose Storage' section on Apple's iMac configuration page there is a blue link titled 'How much storage is right for you? (Choose Storage) '. In that dialog it says: For the best ...
0
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1answer
54 views

How to stop my SSD “ejecting” from my iMac when in standby?

I recently purchased an SSD drive for my 2009 27" iMac to replace the DVD Drive. Everything installed fine, performance is good etc. However when the device (SSD) is put to "sleep", OS X sees it as ...
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1answer
85 views

USB Hard Drive HFS+ Encrypted Partition Formatted / Recovery

I have a WD 1TB USB External Hard Drive that was accidentally formatted. I had formatted the disk and started writing an ISO to the disk (less than 5 seconds), when I realized it was to the wrong one. ...
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0answers
21 views

What activated Continuity on my MBP?

My process of upgrading my early 2011 13" MBP (running the latest El Cap beta) to an SSHD was far more complicated than it had any right to be: I got an SSHD from Amazon, put it in the ...
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1answer
90 views

How to save data from a time machine backup that has gone bad

My 3TB USB disk I use as my Time Machine target has gone bad. I can mount it read only but no set of options I've tried allow me to mount it read/write. The fsck tells me that the catalog btree is ...
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2answers
42 views

How to clone a damaged HD?

Been through a bit of the suggested answers, nothing has been suggested that I haven't tried (unsuccesfully, as of yet), so I turn to the group for answers. I have a 2.5" HD from an MacBook ...
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1answer
63 views

osx corrupts usb (exFAT) on restart

So I have this problem with OS X, when I restart my system and it has the USB drive connected (I forgot to unplug it because I know what OS X causes), it corrupts the drive (i.e., on next restart it ...
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0answers
32 views

Are slow format speeds indicative of more severe hard drive problems?

I have an mid-2011 iMac, that has 4GB of RAM and a 500GB HDD (not SSD). Over the past few months I have experienced: Fairly frequent beach balls/general system slowdowns A worrying number of errors ...
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1answer
69 views

How do I access my old files from an old Macbook HDD with Lubuntu?

I wasn't sure if I should put this on the Apple or Linux stack exchange but here's my problem. So my old Macbook died a while back and I realized that it might have had some important information. My ...