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

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5
votes
5answers
15k views

“Couldn’t create temporary file.” error when erasing free space on external disk

I was trying to wipe the free space of an external USB 3.0 disk in OS X (Yosemite) disk utility. However, I receive the following error: EDIT: The disk is formatted as GUID / Mac OS Extended ...
0
votes
0answers
7 views

Backup single 4tb drive to 2tb internal + 2tb external time-capsule

Is it possible to time-machine backup single 4tb drive (80% full) to 2tb time-capsule with 2tb external drive?
0
votes
0answers
15 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 ...
-1
votes
0answers
9 views

Why does my external HDD have an EFI partition?

When I ran diskutil list on my Mac, it showed an EFI partition plus my normal partition on my external disk. Why is it there? If I edit my EFI partition and it gets corrupt, will a format change it ...
0
votes
0answers
14 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 ...
1
vote
0answers
91 views

LaCie External Raid Drive Disappears During Sleep

I have a MacPro with an LaCie external raid drive. About 80% of the time when my Mac goes into sleep mode the drive to just disappear; DiskUtility cannot see it nor can I see it in any utilities. I ...
0
votes
2answers
31 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 ...
0
votes
0answers
27 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 ...
3
votes
2answers
2k views

How to write fstab rules for an NTFS volume if the volume has no LABEL or UUID?

Basically, I was following this tutorial to enable writing to an NTFS Volume (which works when the Volume has a LABEL or UUID). I have an external USB drive with an NTFS volume that doesn't seem to ...
0
votes
2answers
15k views

external hard drive found only by disk utility, cannot eject or mount

I'm using a Seagate GoFlex that seems to have encountered some trouble. The drive does not appear on the desktop or Finder. I've double checked that Finder > Preferences allows for it to appear in ...
0
votes
1answer
24 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 ...
21
votes
8answers
61k views

How to eject my external drive when my Mac refuses because of Spotlight?

I have plugged an external disk to my Mac. Now, I want to eject it. But my Mac stubbornly refuses and says that an application may be using the disk. I have not launched any app neither opened any ...
4
votes
2answers
29k views

Access disk attached to Airport Extreme over internet?

According to Apple's product page, the Airport Extreme... "...can turn your external USB hard drive into a secure drive you can share across your Wi‑Fi network and access securely over the ...
3
votes
1answer
2k views

How do I move my iPhoto library to an external drive available through Time Capsule?

Like many others, the number of photos that we are storing these days is growing. Also, we have multiple iPhoto libraries on various computers. So it makes sense to consolidate photos into a ...
6
votes
1answer
8k views

OS X Yosemite attempts to eject external drives after sleep

I have 2 external drives that I use respectively for Time Machine and for all my work. I installed OS X Yosemite today and now every time my iMac goes to sleep (I never turn my macs off) it attempts ...
3
votes
2answers
11k 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/ ...
16
votes
2answers
6k views

Can you make OSX mount just certain partitions when you connect an external HDD?

I have an external HDD with 4 partitions. My question is the following: is there a way of telling the OS to mount just two of them (One FAT and one HFS+) when I connect the HDD? It is rather annoying ...
0
votes
0answers
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.
0
votes
2answers
9k views

MacBook Pro won't boot with new hard drive, but a different MacBook Pro will

So here are the details. My friend and I both have 13-inch Mid 2010 MacBook Pro's. Same processor and specs since they were purchased at the same time, but originally had 250 GB hard drives. His hard ...
1
vote
3answers
2k views

My NTFS formatted external Toshiba drive is unreadable since update to Yosemite OS X 10.10.1

My portable external Toshiba hard drive is now unreadable on my MacBook Pro early 2008 aluminum computer. Since updating to Yosemite OS X 10.10.1, I cannot recover my files stored as Time Machine ...
43
votes
10answers
66k views

The volume can't be ejected because it's currently in use

After working with an external USB backup disk I want to cleanly unmount the drive. When pressing the 'eject' button Finder warns me with the message: "The volume can't be ejected because it's ...
0
votes
0answers
28 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 ...
5
votes
4answers
3k views

External USB drive connected to Airport Extreme doesn't show up in Airport Utility

I have connected an external drive to my Airport Extreme, but it doesn't show up in Finder, and it doesn't show up in the list of drives when I connect to the Airport Utility. The same drive worked ...
2
votes
2answers
5k views

Error: “couldn't unmount disk” keeps coming up when formatting external HD to eXFat

I have a WD "my Passport" external HD that is currently formatted for a PC and I would like to format it to eXFAT. Every time I hit "erase" in disk util it just comes up with the error "couldn't ...
0
votes
1answer
24 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 ...
32
votes
3answers
26k views

How do I disable this message: “the disk was not ejected properly”?

Is there any way to disable the "the disk was not ejected properly" message? I use a KVM and need to switch between two systems and have a memory stick that is in the KVM. The problem is that it's ...
0
votes
1answer
17 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 ...
2
votes
0answers
56 views

Windows using Bootcamp won't read any USB memory sticks

I just installed Windows 10 on my MacBook (Early 2015, OSX El Capitan 10.11.2), and after everything set up I tried to plug in my External Hard Drive. I made sure this HD would and does work in ...
0
votes
2answers
41 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 ...
0
votes
0answers
15 views

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 ...
3
votes
5answers
14k views

Unable to mount Time Machine partition

I have a WD external HDD which is plugged into my MacBook Air more or less all the time; it has two partitions one of which is my Time Machine disk. Just today I noticed that the hard drive is not ...
0
votes
0answers
4 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? ...
0
votes
0answers
24 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". ...
0
votes
3answers
11k 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 ...
7
votes
4answers
18k views

How to move all iPhoto video files to an external disk or a NAS?

The main harddrive of my MacBook Pro is filling up. So I need to move some files to an external medium. I use iPhoto to import my photos and (HD) videos from my digital camera. I want to keep all my ...
1
vote
0answers
27 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, ...
13
votes
13answers
161k views

How can I repair a disk that disk utility says it can't repair this disk?

I have an external hard-disk with a single Mac OS Extended partition. This disk stopped working couple of days ago. I tried to repair the partition with disk utility but no luck. The error message is ...
0
votes
1answer
19 views

Seagate External HD (GoFlex) Crashes Macs

Situation: My most important external Hard drive is crashing my computers. It had my time machine backups and random files stored. I've tried it on my iMac and Macbook Pro. It may be worth noting I ...
0
votes
0answers
59 views

Time Machine Backup Failing with Error 11

I've been trying to run a Time Machine backup for the last couple of days (OSX 10.7.5 and Porsche LaCie 2TB); however, it has been constantly failing. Console is producing the following crash messages ...
0
votes
0answers
61 views

External Hard drive are always readonly, even HFS+ and FAT32 format

I am running in to a peculiar problem. I have 3 external hard drives and few weeks back, I may have ejected one of them ungracefully. Ever since, they all are getting connected in read only mode. I ...
4
votes
1answer
248 views

Serious problem with Time Machine (external HDD)

My Mac Mini (late-2012) got repaired by Apple, and the hard drive was reseted. Now I want to restore the Mac Mini from my Time Machine Backup (on an external 1TB HDD), but it doesn't appear in the ...
9
votes
4answers
11k views

How can I create a new Recovery Partition on EXTERNAL disk?

I want to enable encryption on an external FireWire disk. The disk has been formatted a while ago (2+ years), and when choosing "encrypt volume" from the Finder context menu, Mountain Lion refuses ...
0
votes
0answers
16 views

Create bootable windows on external HDD

Hello I'm trying to create bootable windows on this external HDD http://www.amazon.com/dp/B0046A8MSM/ref=twister_B004DTS99S?_encoding=UTF8&psc=1 but without success. I'm following this tutorial ...
1
vote
1answer
190 views

How to remount external drive in OS X El Capitan without rebooting?

I have a MacBook Pro 15 Mid 2014 with OS X El Capitan. When I accidentally disconnect the external USB disk (without clicking eject), I can't reconnect the disk. If I remove and plug the disk back in ...
0
votes
0answers
47 views

How To Perform External USB Disk Clone

This question is similar to this one: Partitioning Software I have two WD 2TB external USB disks. The first is formatted for use as a backup disk for a Windows 7 netbook. Mac OS Disk Utility does ...
1
vote
2answers
16 views

How do I relocate a existing VM with a OS already installed

I have a VM up and running great with Ubuntu installed onto it. I want to stick it on an external herd drive. How can I do that without breaking it? Do I just drag the files, or is there something ...
0
votes
0answers
31 views

Mac OS X losing files on external drive

I've got a Macbook Pro running OS X 10.10.5, Windows 7 laptop and an external Seagate 1TB HDD (NTFS) which I use for storing files and backups, which I use with both laptops. Now one more time the ...
1
vote
0answers
14 views

photolibr is preventing my external disk eject

I have my Photos library in an external usb3 disk. Usually, photolibr prevents the disk from ejecting, even if Photos is closed: kukuruzasIII:yoAlcalde_mobile olmo$ lsof | grep DATOS photolibr 504 ...
2
votes
2answers
11k views

How do I restore itunes library onto another computer

I followed all the steps as suggested for backing up and restore iTunes library in the apple support website: http://support.apple.com/kb/HT1751 but I have problems with the 'choose library' part in ...
7
votes
6answers
10k views

How to run Applescript on Disk mount

I want to run an Applescript when I mount a specific disk. It isn't if the script is located on the disk or not, it should just run when OS X mounts the disk. I tried to accomplish this with folder ...