A storage device attached to a computer, but not enclosed within the computer's casing

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What is the best solution for a free partition recovery?

Recently I accidentally partitioned my Seagate Backup Drive (1 TB) not knowing that everything would be wiped off (silly me). I am now in shock knowing that my files are somewhat gone. I have tried ...
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24 views

How can I add a partition to my Seagate external hard drive?

I am trying to add a partition to my Seagate external hard drive so that I can install Windows 10 on it but it won't let me add a partition at all. With a previous external hard drive I had (that no ...
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62 views

Changing the Finder icon for an external disk formatted as ExFat?

I used this web page recipe - Create Your Own Custom Icons in OS X 10.7.5 or Later - for creating a .icns icon set containing a set of icons for an external disk that has been formatted with the ExFat ...
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15 views

Using External hard disk on Macbook

I am using a MacBook air with OS X El Capitan. I am using a Windows 7 VM too in my MacBook. I usually download video files using torrents and store it in the macbook. When I copied these movies to an ...
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125 views

Can I copy a bootable El Capitan installer USB stick to a hard drive partition and install from there?

I am salvaging a mid 2013 MacBook Air 11" that was discarded with a broken screen backlight due to beverage spill and missing its SSD. (I have a very tiny budget right now so I'm only spending on more ...
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23 views

Is it possible and relatively easy to boot a 2013 MacBook Air from an external drive?

Given a MacBook Air that's working but with dead display and SSD, can I use it as a desktop-only machine with an external monitor and external hard drive? The guy at the Apple Store Genius Bar this ...
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30 views

Encrypted Seagate 5TB External HD Unable to Mount

Been roaming informational posts all over the web about similar situations and I see it's a common issue but none of the solutions seem to work. This is my wife's external hard drive which she stores ...
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61 views

External drive does not mount after plug off without eject

I accidentally unplugged my hard drive without properly ejecting it, and now the drive does not mount when plugged in. What can I do to make it work again? I can see the disk in lsusb and diskutil ...
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81 views

How can I repair hdd using Disk Utility if First Aid options (Repair, Verify) are all greyed out?

Would really appreciate any help in fixing an external drive so can use with my Mac again. I had a power loss & when computer rebooted it was unable to see the attached Freecom 320Gig Hdd (FAT32 ...
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9 views

After I remove the external hard drive and plug it in afterwards, disk names change to diskname + 1

I'm using Western Digital My Passport 0740 Media and there are two partitions called Install OSX Yosemite and backup. Whenever I remove the hard drive and plug it in afterwards, backup disk's name ...
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23 views

Disk utility killed my external drive

I have a problem with disk utility. I have a external USB3 drive, formatted HFS+. It should hold roughly 500GB out of 1TB of Data. Now Finder told me, that the data was there but no files were visible ...
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62 views

Problem when booting OS X from an external USB drive

I would like to create a Fusion Drive from my SSD and HDD both installed inside my MacBook Pro 15" Mid 2012. I've read an article online which said that in order to do that, I'd need to boot Mavericks ...
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27 views

External SSD not recognized after ejection or reboot

I have an USB external mechanical disk. It works fine, and I can remount it after ejection. Also, it is mounted automatically after a reboot, as it should be. I got an USB external SSD, too. It works ...
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78 views

Ext HDD won't mount

I have several Ext. HDD attached via USB to my iMac. Turning the mac on this morning three of the four drives mount no problem. (all in the same ext power / usb tower) but one drive does not mount. I ...
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1answer
82 views

How to format a Seagate HDD to OS X Extended (Journal) with Disk Utility

I have just got a new external hard disk, the Seagate Expansion 2 TB, and I am trying to format it to work on my Mac. I was told that I had to erase the disk and format it to OS X Extended (Journal) ...
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53 views

External hard drive knocks out wifi Internet

I have two external hard drives attached to my 2012 Mac Mini running El Capitan. All has been OK for around 2 months. Now, when one drive powers up, it forces my Sky WiFi Internet connection to drop, ...
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21 views

2007 iMac 24" beach ball at login

I just recently installed a Seagate 2 TB internal hard drive and installed Yosemite. If my WD external drive is connected via firewire during startup, the iMac boots and shows the users, but when I ...
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82 views

Seagate is not allowing me to make partition on MS-DOS (FAT) Or ExFAT!

I just bought an external hard drive (Seagate Backup Plus Slim 2 TB) for my Mac (Yosemite installed) for professional photography. I wanted to make partitions for both Mac and Windows, but it only ...
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276 views

Updated to 10.11.4 now getting “Disk not ejected properly” every time my Mac mini sleeps

Been running El Capitan since it was officially released. Updated to 10.11.4 a few days ago. I have a WD Elements USB 3.0 drive connected to my Mac mini (directly to the rear ports, not via a hub). ...
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60 views

El Capitan keeps creating new mountpoints for external drive

I am new to Mac, I used Linux before and I am experiencing troubles with my external HDD (NTFS formatted). I used osxfuse to mount it as read write (via ntfs-3g) - I used tutorial from this site ...
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1answer
74 views

USB external harddrive not being recognised

My WD 2 TB hard drive has suddenly stopped being recognized by my MacBook Pro, running OS X 10.11.3, but it's working on my ThinkPad, running Windows 7 and Linux Mint. The solution I found was to ...
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1answer
62 views

How can I make an external drive behave as an internal drive?

My question is pretty much summed up by the title, I have an external drive which I'd like to have recognized as an internal drive. How can I do that? Thanks for looking at my question. By the way I ...
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1answer
63 views

How to delete all files in Pictures folder after I moved all the pics to external HD

I am not a Mac owner and am only helping a friend. He bought a new external HD and he wanted to backup all of his pictures (he uses iPhoto). So, I drag and dropped the Pictures folder onto the HD ...
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1answer
68 views

External hard drive disconnected during reformat: now will not format

Using disk utility, I was erasing and re-formatting to FAT. During that process, the usb cable was removed. Now, the hard drive will not format. When recognizing the hard drive, a window shows up ...
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35 views

How to share mount from a Parallels Ubuntu guest to host?

If I have, say, an external USB drive mounted inside my Ubuntu guest in Parallels, how do I share the mount point back to my OS X host? The Parallels docs talk about making OS X folders visible from ...
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55 views

How do I force Spotlight to stop corrupting my external hard drive and destroying my time machine backups?

I am at my wits end with this horrible technology. I've been through this cycle over and and over again. I explicitly tell spotlight not to index my external hard drive. It ignores my wishes and ...
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1answer
24 views

Alias to folder on external hard drive disappears from sidebar when the hard drive is ejected

I've made an alias to a folder on my external hard drive and added it to Finder's sidebar. Whenever I eject the external hard drive the newly added item to the sidebar disappears and doesn't reappear ...
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70 views

Cannot copy from MAC to Pendrive

I attach pen-drive to my Macbook-air. It is detecting and I can also copy from my pen-drive to my Hard disk. But I cannot copy data from Hard disk to pen-drive. I tried with different pen-drives, but ...
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59 views

Finder won't search external hard drive now that I've updated to 10.7 Lion

I recently updated from 10.6 to 10.7 and now Finder won't search my network attached sever. It worked fine up until the update. I have tried re-indexing the Spotlight Search, but that doesn't work and ...
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22 views

Problem with kextunload SD card remount

So I got one of those SD card flush mounts, but it occasionally self ejects. I'm trying to solve that via kextunload given on this page Entering: sudo kextunload -b ...
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21 views

When I try to move the folder, the copying process begins

Why, when I move (using mouse) one folder into another, instead of moving, copying process starts? How to fix it? OS X El Capitan Folders are located on an external drive, GUID partition scheme, ...
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210 views

Unmounted hard drive times out ejecting or mounting

I have a Drobo connected via Firewire to my MBP which is causing me some issues. Here is the diskutil info: Device Identifier: disk2s2 Device Node: /dev/disk2s2 Whole: ...
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35 views

Drive stays mounted for just a couple of seconds

I have an externa WD My Passport Pro disk configured as two individual 2 TB disks. After I erase it (Journaled, Encrypted, Case insensitive) it is mounted and immediately unmounted. Disk Utilities ...
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2answers
65 views

Inherit Time Machine backup after changing source hard drives

I am using Time Machine to backup an external HDD (A) (2 TB) linked to my computer to an external 6 TB HDD drive. I now had to shift the data from HDD (A) to a new 3 TB one (B). Is there a way to ...
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1answer
41 views

How can I safely clean up open files left by spotlight on my external hard drive?

Spotlight decided to index my external hard drive that I use for backups without asking my permission. This made it impossible for me to safely eject the external hard drive without potentially ...
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250 views

How do I export photos from my iPhone 6 to my Western Digital external hard drive for backup copies?

How do I export photos from my iPhone 6 to my Western Digital external hard drive using my Mac? I need to clear up space on my phone already and can't believe how frustrating it is trying to figure ...
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36 views

Create EFI partition on external HDD for rEFInd

How can I install Ubuntu and Windows onto my external HDD which already has OS X installed on it? I want to install it using rEFInd boot manager. If I can create an EFI partition for my drive then I ...
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48 views

Western Digital - My Passport Pro 4TB Drive won't stay mounted in JBOD Mode

I have a WD My Passport Pro, currently having issues as I need to encrypt the drive in order to protect the data I am going to store on it. I am aware that this will not be possible with the drives ...
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2answers
94 views

how safe is an HDD encrypted with filevault?

I have a macbook pro and I want to encrypt the whole system with filevault. My question is now, how secure are my data for removing hard disk from device and mount it in an external case? For ...
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32 views

What about copying using the Finder?

From this link, How can I speed up SD card writing speed (using /dev/disk*) on a MacBook Pro?, it implies the SD card might be alright... just because the software is using the buffered version of the ...
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1answer
53 views

External drive is damaged and freezes my Mac. Any way to recover?

I'll explain everything in a clearer way. I have a WD My Passport Studio external hd, since a while it's impossible to read it and here's the symptoms: When I mount it and try to open the main ...
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6 views

Unmount disc (partition) on connection [duplicate]

When I connect my external harddrive, I don't want my "Dual Boot" partition to show up.
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42 views

External disks are recognized as internal ones by my iMac

When I connect portable USB disks to my iMac via a USB hub, my iMac always recognize them as internal disks. Like this, However when they're connected directly to the USB ports on the back of my ...
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1answer
50 views

How do I create a browsable index of my External Hard Disks?

I have 7-8 External Hard Disk Drives. I would like to be able to know the content of each of the drives (files and folders) without having to connect them to my system (cumbersome). Is there and ...
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1answer
33 views

External Drive icons missing on Apple

I am running Mac OS 10.11.2 and have Toshiba (1TB) and WD (1 and 2 TB) external drives that mount but are read only. I tried the terminal script LABEL=DRIVE_NAME none ntfs rw,auto,nobrowse which ...
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I have an old usb camera, and I want to get photos off of it

When I plug the device in (the device is an old Oregon Scientific credit-card camera- OSI DS6681) It appears as "Digital Camera" in the System Information panel, but it does not appear in finder nor ...
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2answers
325 views

How do I backup and external hard drive (iPhoto Library) to another external hard drive?

My iPhoto Library is on an external hard drive. I want to copy it to another hard drive as a back up. It looks like Time Machine only backups the internal hard drive and selected externals. I don't ...
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12 views

Notify when external drive mounts

Is there an easy way to have my Mac notify me through a Notification alert (through the Notification Center) that an external drive (or any other means of storage, for that matter) has been mounted? ...
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37 views

My external drive won't mount on my iMac as the “partition map check failed because no slices were found”

Having a problem with my external drive a LaCie 2 TB drive that won't mount on my iMac. When I try to use Disk Utility to repair it it says "partition map check failed because no slices were found". ...
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34 views

Disk not recognized when plugging an external hard drive

Before I give up on my external hard drive, I wanted to give it a shot here. I was working on iMovie with the library being on an external hard drive. At some point during the editing of a project, ...