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

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Lost a Fusion drive boot disk

i can see my Fusion Drive disks (ssd+hdd) in Terminal: But i lost it in the boot and cant boot MAC OS. (please see album with photos on http://imgur.com/a/N5zY2 ) I cant repair my system, when i ...
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94 views

Boot Camp partition won't show

I had Windows 10 installed on Boot Camp and updated Mac from Yosemite to El Capitan. Afterwards, I could no longer boot to Windows... I want a way to get to Windows or at least get to data on the ...
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1answer
27 views

Attaching External HD to Airport - Is It Secure?

I am thinking about attaching an external HD to my Airpot (ac), which I will use to back up my computer using SuperDuper on a nightly basis. However, I am concerned about security. I know that I can ...
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5answers
18k views

Paragon NTFS for Mac 14 doesn't see NTFS disk (OS X 10.11 El Capitan)

I upgraded my Yosemite to El Capitan few days ago. Also recently Paragon sent me an e-mail with an offer of free upgrade from version 12 to 14. Since I bought ver. 12, I decided to install version 14. ...
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1answer
605 views

Deleted all partitions on Fusion Drive. Don't know how to recover

I'm kind of a novice here, and I think I got in over my head. I was trying to do a clean install of El Capitan on my 5K iMac. It has a 1TB Fusion drive. I booted from a USB drive, entered Disk ...
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1answer
69 views

My SSD seems slow, could it be the link speed?

I just replaced my old HD from a late-2009 iMac with a new Samsung SSD 850 EVO 1TB. It was installed by an official Apple repair store but I am worried because it seems slower than my new macboook ...
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188 views

Fixing damaged hard drive after OSX update

I recently tried updating my Macbook Pro Retina to OSX El Capitan, however believing this to be a simple routine update, I did not backup my computer. Of course, the update was unsuccessful, somehow ...
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63 views

Can't format new SSHD?

I just got a new SSHD, but when I tried to put it in my early 2011 13" MBP and format it from a bootable drive, Disk Utility kept giving me the error message: could not mount disk0s2 with name (null) ...
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230 views

Missing SSD space on MBPr 13, El Capitan

I have the following problem: I had two partitions, one was ~190 GB, and another ~60GB. Then I wanted to delete the second partition and resize the first one. The deletion went well (I suppose), but I ...
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117 views

Recovery mode Disk Utility can't see new internal hard drive

Lots of similar questions, but no one seems to be having the exact problem I am. Hard drive on my mid-2012 MBP (Mavericks now, but originally Lion) died; I do have backups (including a clone of the ...
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1answer
34 views

Unwanted network disk mounts

El Capitan has brought back a problem that I had with Yosemite at first - it disappeared after a later OS update. I have a headless MacMini on my home network, with a daisy chain of firewire disks ...
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1answer
64 views

MacBook White Unibody doesn't detect new HDD

I'm trying to upgrade a MacBook from mid-2009 (it's the A1342, MacBook 6,1) with a new hard disk. The original one was a 250GB and the new one I'm trying to install has 500GB and it's a Toshiba. I've ...
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80 views

How do I use bootcamp or virtualbox to run my windows 7 machine from an external drive on macbook pro?

I already purchased and installed my Windows 7 on an old PC laptop that is about to die. I want to continue using my PC-only programs but I want to upgrade to a macbook pro. I just learned about ...
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2answers
1k views

MacBook Pro can't mount an exFAT external hard drive when having too many files

I need to share files between Windows and Mac, so I chose exFAT as the file system for my external hard drive. But soon I found a serious problem, when I put too many files (like 5M) in the hard ...
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2answers
425 views

Repair MBR (Windows 10) from OS X

I've messed up my system yesterday. On my iMac I have installed OS X and Windows 10 using Boot Camp Assistant. The Windows MBR is damaged and I can't start it anymore. I get a black screen with the ...
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1answer
43 views

Trying to import old video from tape into iMovie 10.0.9, and store it on peripheral drive

I can't control which file or folder to target. I can only name a target an event name, and then that event only shows in the iMovie libraries menu on the left. Cant find the even in Finder to copy it ...
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1answer
179 views

Format a SSD from Mac OS Extended to NTFS

I have a SSD formated in Mac OS Extended, and I want to format it to NTFS because I will use it on Windows. To do it, I installed Paragon. I rebooted my MacBook. I checked if the driver was actived, ...
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48 views

How do merge the free space to my Macintosh HD partition?

I have approx. 370 GB of free space from which I want to merge 200 GB to my Macintosh HD disk. Can anyone please help me on this? I am not even getting the resize option there. System version: ...
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2answers
356 views

How to Erase External USB Drive Which Won't Mount & Isn't Recognized

Before starting, let me mention that I have ALREADY read the following thread in its entirety, and it did not help my situation: https://discussions.apple.com/thread/4832305?start=0&tstart=0 I ...
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2answers
261 views

External hard drive won't show up on finder (theres more to this)

So I plugged in my hard drive, and deleted a file on it, a .nfo file. I forgot I had a file in the trash and so when I ejected the disk, my mac prompted me an alert like "disk is in use" with a force ...
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0answers
123 views

SSD doesn't boot anymore when plugged inside Macbook Pro

I've got two hard-drives in my Macbook. A SSD (connected to the original hard-drive connector) and another drive connected to the optical drive bay with a kit. Since this weekend I can't boot from ...
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1answer
38 views

MBP freezes for 30 seconds all the time since this afternoon

I'm looking to find the cause why I'm getting the spinning beachball on my MBPro all the time since this afternoon. I can work for like 30 seconds and get a spinning beachball for like 30 seconds. ...
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0answers
100 views

How to install Windows 7 64-bit to mac-pro whilst 32-bit version already installed?

I currently have 32-bit Windows 7 installed on my Mac Pro and I want to install a 64-bit version, because mac-pro 64 bit and there is 8GB RAM . But the Mac Pro doesn't see it when it restarts.( DVD ...
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1answer
86 views

Should there be an Apple logo on the hard drive of a MacBook?

I was installing an update on my MacBook Pro mid 2012 when it crashed. Kernel Panic. I brought it to an authorized service center for repair. The following day, I got a call that the center is ...
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31 views

Does Time Machine encryption protect the entire backup drive, or only the backup file? [duplicate]

I'm new to the forum, so not completely sure what is/isn't appropriate to ask - apologies if I get this wrong! This question has already been asked and answered, but I'm looking for further ...
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3answers
205 views

Use external hard drive to install applications to it

I have a 120 GB SSD on my Mac and it is almost 90% full. I have another 500 GB external hard drive and I want to install some big applications to that hard drive so it does not occupy space of SSD. ...
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1answer
449 views

Installing Snow Leopard on external drive with newer iMac version

I have two computers running different types of OS X. One is an iMac with Mavericks (10.9.5) and the other is a Macbook Pro with Snow Leopard (10.6.x). My Macbook Pro isn't working (HDD problem), so ...
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0answers
25 views

High IO latency in games when loading sounds

I recognized the behaviour of games hanging/freezing for fractions of a second (or up to a second) everytime a sound is being requested from the disk. At least that is my conclusion. One title where ...
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1answer
665 views

How to create a new partition for OS X, then remove the original one

I want to clean install a new version of OS X, so I was thinking to create a separate partition, transfer all applications and settings from my old system and then remove the old partition and make a ...
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1answer
99 views

Less RAM and an SSD vs. more RAM and an HDD?

This isn't a question about which part of my computer to upgrade. It's a question about what I should buy in my eventual new computer. I have an early 2011 13" MBP with a 500GB hard drive and an ...
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11 views

Cumulative drive access per process over time?

I would like to isolate what processes are accessing drives the most over a given period of time with as much detail as possible as far as even seeing kernel level access. I have thought about ...
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1answer
137 views

Photos App : Using Photos App on a library that is stored on a USB Flash Drive

I would like to store my Photos library onto an external USB Flash drive. I have found other articles explaining that it was possible to store a Photos library onto an external USB SSD or HDD and ...
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43 views

Bootcamp problems have left my hard drive a mess

I have been trying to install Windows 8.1 via Bootcamp, and have had several problems that have resulted in failures (those are perhaps a different post). I'm using Yosemite. Currently when I run ...
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1answer
121 views

Resizing HFS+ volume after cloning

I cloned a disk containing an HFS+ volume to a larger disk using the command line dd utility. Now I want to grow the HFS+ volume to fill the new disk. There's an EFI partition before the HFS+ volume ...
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0answers
892 views

How do I fix “Your Disk Could Not Be Partitioned” isssue with BootCamp Assistant?

I'm Alex and I'm attempting to install Windows 10 on my iMac 27" (2012) with 3TB+128GB Fusion Drive, but during install procedure I get the same error "Your Disk Could Not Be Partitioned" without any ...
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2answers
335 views

My hard drive is broken on my Mac, I have a new one, but how can I install OS X? [duplicate]

I couldn't figure out how to properly explain the issue in my title. Here is the deal: My HDD is broken in my MacBook, every time I boot it up it's freezing. I bought a totally new SSD, but I didn't ...
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0answers
21 views

Macbook air won't show main harddisc

My macbook air won't show the main harddrive. I have tried to clean it by deleting the disc, but now it won't show up when i wan't to reinstall OS X. I have tried to go to disc utility, but i won't ...
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190 views

Unable to install OS X Lion on Macbook Pro's new internal HDD

The model I'm working with is a Macbook Pro A1278, Early 2011 design. This belongs to a friend, whose current drive, a 500GB SATA III which came with the laptop, was shown to be in poor health, having ...
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2answers
205 views

Unable to repair hard drive - due to volume assignment problem?

Disk utility and fsck [terminal] both agree that there is problem with my HD. I am curious if someone can help me figure out how I can deal with the problem. Terminal - Normal Mode MacBook-Pro:~ ...
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1answer
634 views

External hard disk not showing up on finder and can't be verified in Disk Utility

My Mac suddendly restarted and now the external hard disk I normally use for Time Machine backups is not working anymore. When I plug it in, it doesn't appear on finder and while it appears in the ...
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1answer
183 views

Deleting of old backups in Time machine

I have WD-My book world of 1TB and I struggled for some time to set it up correctly to use it as a disk for usage of time machine on Mac OS X Yosemite. My question is the following-what is the best ...
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27 views

RAID + FileVault and startup partition

From this answer: Why doesn't FileVault work on a RAID volume? I learnt that it is possible to have RAID and FileVault together. However it seem that the solution is for a separate data volume not ...
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1answer
100 views

External Harddrive Permissions Changed / No Access

my external harddrive permissions have suddenly changed. I am getting mount errors in Disk Utility when I try to verify the disk. When I Get Info for the drive in question, it states that I have "NO ...
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1answer
101 views

Is lowering my ODD fan speed dangerous after installing and SSD?

I've just installed a new SSD in my mid 2010 27" iMac. I put it in place of the disk drive (ODD) so now there is no optical disc drive in my computer. After I did the installation I noticed that the ...
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1answer
131 views

Dual boot Macbook Pro MD101 (Mid 2012), with OSX and Bootcamp windows and a FAT32 shared partition

I tried this and my hard disk looks something like this: Vikrams-MacBook-Pro:~ Vikramguria$ diskutil list /dev/disk0 #: TYPE NAME SIZE IDENTIFIER ...
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59 views

Booted from Cloned drive works slow

situation is, i have to give up the Mac... Macbook Pro (Retina, 15-inch, Late 2013), 2.6 GHz Intel Core i7 processor, 16 GB 1600 MHz DDR3 RAM/Memory, Intel Iris Pro 1536 MB graphics, & a 1 TB ...
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1answer
214 views

Disk Utility reading disk incorrectly; viewing ext4 as JHFS+ and seeing Recovery HD

This is imported from Superuser, I felt like I would have an easier time getting an answer here than in Superuser - it is copy pasted, as below. So, I have some strange issues in Disk Utility and ...
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75 views

Error 43, unable to open files on external hard drive using Preview

Using Snow Leopard 10.6.8 I can't access files with Preview on my 2011 WD myBook 1TB external hard drive. When I try to open a file it says "application can't be found" follows up with "an ...
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3answers
86 views

How can I swap the contents of my two MacBooks?

I have two MacBooks (an old one mid 2009 with a 150 GB drive (128 GB used) and a newer from 2011 with a 300 GB drive (30 GB used)) and a 1 TB Hard Disk. What is the easiest way to move the content ...
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1answer
30 views

RAID Disk Space not Recovering

I have a RAID disk where I keep my virtual machines. Recently I created and deleted a few and noticed that the space taken up was not being reclaimed. I tried deleting the .Trashes directory via ...