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

learn more… | top users | synonyms

1
vote
1answer
37 views

Suddenly some folders are unreachable from my external hard drive

I have a MacBook Pro and I partitioned the internal SSD into two parts (150GB and 50GB). One of them (the 50 GB part) contains a bootcamp with Windows 8.1. I also have an external hard drive, which is ...
12
votes
8answers
27k 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
2answers
20 views

I have Installed Windows 7 on an external drive and I want to replace this drive with a larger capacity one. What should I do?

I'm using a Mac Book Pro. I boot my Windows 7 from an external drive. As this drive is getting full, I want to replace it with a bigger one. What should I do to move the Windows 7 from the one old to ...
0
votes
0answers
39 views

External Drive Won't Show Up Even Though It's in Disk Utility

My disk utility shows that the path is verified when I repair and verify the disk. It shows up fine in disk utility. But even after that, it doesn't show up on my hard drive, either on the left nav ...
0
votes
1answer
32 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 ...
1
vote
1answer
935 views

Recover Deleted Files on Mac OSX [External NTFS]

I have accidentally deleted some files on my Mac OS X Mavericks. Actually, I was trying to burn an .img file to my flash drive which was located at /dev/disk1 (at the same time I had connected a NTFS ...
0
votes
2answers
89 views

How do I install Mavericks onto external HD but from inside VirtualBox

I don't want to lock down my machine for the install. Can I hand it off to a virtual box process? Open virtual box Create virtual Mac Attach Mavericks install pen drive to virtual Mac Attach real ...
0
votes
1answer
76 views

Implications of using a USB SSD drive to run VM images off

I'm running VMware Fusion on my Apple Macbook Pro (15 inch, Mid 2012, OSX 10.10.2), and have several VM images that are stored on an external USB3 disk (WD Passport). The external disk is fine for ...
1
vote
1answer
5k 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
1answer
27 views

Prevent Mavericks from generating new volume name for external drive

I have an external HDD, formatted exFAT, I believe. Whenever it is re-mounted, it gets assigned a new volume name (e.g., "MyVolume", "MyVolume 1", "MyVolume 2"...). As far as I can tell, this happens ...
0
votes
1answer
42 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
2answers
5k 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 ...
2
votes
2answers
155 views

Formatting USB Disk As EXT3 On Mac

How can I format a USB disk as ext3 using OS X Yosemite? I want to use it on another system that is linux based but I wish to format it first before connecting to the linux system.
1
vote
1answer
15 views

Mount combo (USB/COM) device

I've bought this simple navigator that works fine on PC using the software released by the company but there is no mac version for it. Under mac the navigator was supposed to be mounted as an external ...
0
votes
1answer
224 views

Fixing my external hard drive's partition map

Okay, so something really strange has happened, and it's a doozy, so please bear with me. Problem: I need to fix my hard drive's partition map So let me fill you in on what happened here. I ...
27
votes
2answers
19k 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 ...
1
vote
3answers
90 views

How to synchronize contents of two external drives?

I have two external hard drives (ExFAT formatted) which I need to keep in sync. Specifically, drive B must mirror the contents of drive A and drive A must not be modified. How can I do this without ...
1
vote
2answers
3k 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 ...
5
votes
3answers
2k 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 ...
1
vote
0answers
87 views

iTunes library on usb drive connected to NAS not recognized anymore

I have my iTunes library on an external usb drive. I have no problem accessing it when it is plugged directly to my mac. I've recently bought a NAS device which allows me to connect a usb drive to it ...
2
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 ...
5
votes
10answers
57k 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 ...
2
votes
1answer
31 views

Using Console.app - how to find disk force eject logs?

I've been having a number of issues with external disks force unmounting (most often while waking from sleep). Where can I look in Console.app to track down the potential issue?
3
votes
3answers
15k 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 ...
2
votes
0answers
62 views

fsck not working to fix corrupted external drive

I am using an early 2011 MacBook Pro with the Mavericks OS. I've researched a similar issue on an internal drive but As far as I know, being in Single User mode won't help my situation. One of my ...
1
vote
1answer
804 views

External HD with a Filevault 1 home directory, readable from Lion?

I have the HD from my old Snow Leopard Mac containing my old home directory encrypted with Filevault 1. Can I mount this HD in a USB enclosure as an external volume on a new Mac running Lion, and ...
0
votes
2answers
56 views

Online backup strategy or software for computer and external drive

I'm looking for an online backup strategy for my photos but there's something that none of the systems I've looked at addresses... I keep my most recent photos on my mac and move them off to an ...
1
vote
1answer
69 views

How to reset a Seagate FreeAgent Go Mac External Hard drive to use with a new Mac?

I have a 500 GB external hard drive that I want to use with my new Mac (OS X Yosemite). I simply want to clear the external drive of everything that was on my old Mac (I don't want to transfer any ...
0
votes
0answers
17 views

folder became bigger when copy from one external disk to another

I have 2 external disks connected to OSX Yosemite, the new disk is 4Tb and old disk is 2TB, I tried to copy all stuff from old disk to new disk using rsync: rsync -a /old_disk /new_disk The old ...
15
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 ...
2
votes
1answer
157 views

Automatically unmount external drives when shutting down OSX?

I'm running OSX 10.10 Yosemite. When I try to shut it down, if I have an external drive connected the shutdown stalls on a black screen with the mouse pointer visible, and movable. This happens even ...
0
votes
1answer
100 views

Automatically move all files from within a folder to external SSD, When external SSD is connected

I have a GoPro 4 which ends up creating very large high quality videos, when connected through USB the Gopro importer app automatically copies the files to a subfolder named by todays date in ...
0
votes
1answer
197 views

Disk Utility can't repair external hard drive, tried fsck whats the next step?

When I try and repair my external hard drives (I have two corrupt now some how both I think from improperly ejecting from the same machine), I get this message: Disk Utility can’t repair this ...
2
votes
2answers
1k views

Shortcut to eject all external hard drives but not MobileBackups

So far I've been using the following AppleScript to eject all external drives at once conveniently using a shortcut: tell application "Finder" eject (every disk) end tell This script is is ...
1
vote
0answers
52 views

CoreStorage encryption fails - Is it possible to have multiple encrypted partitions on an external drive?

I have a 2TB WD MyBook Studio drive connected via FireWire to my MBP. What I would like to have is two encrypted partitions. So what I do: Disk Utility > Partition and then right click on each ...
1
vote
1answer
85 views

screensaver causes error “share does not exist on the server” to endless loop

I've been trying to learn to automate my home Mac environment with Applescript. I've had some success, but am running into seemingly inconsistent and troublesome errors. In order to diagnose the ...
1
vote
2answers
811 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 ...
0
votes
0answers
256 views

WD Passport 1TB USB 3.0 Time Machine external HD not being recognized on Yosemite

After upgrading to Yosemite my external HD is not being recognized. My HD is a WD My Passport 1TB USB 3.0 and I have a MacBook Pro Late 2011 It does not show on Finder It does not show on System ...
1
vote
0answers
34 views

WD Drive Cannot be Repaired but program still running

I have an external hard drive that I use to run my iTunes, iPhoto library and store various other documents. Recently, it stopped connecting to my MacBook Pro. I can only see my WD Ultra external ...
1
vote
0answers
53 views

Encrypted External Drive Using Apple's Password Generator and Forgot the Password: Can It Be Salvaged?

I have a partition on an external HD with some Time Machine backups. I decided to encrypt the partition using Finder and used Apple's built-in password generator to create the passphrase. ...
1
vote
1answer
1k views

External hard disc not ejected properly - Mac OSX

I have a late 2012 Mac Mini running OSX 10.8.2. My iTunes library lives on an external Seagate drive, which has its own power supply. When my Mac Mini goes to sleep it will frequently wake up with ...
3
votes
2answers
121 views

Format External Disk in FAT, NOT FAT32

I have an external device which mounts as an external drive and which I must format in FAT, not FAT32, for use elsewhere. Is there a way to do that from Snow Leopard?
2
votes
4answers
7k 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 ...
1
vote
1answer
138 views

Two different USB 3 HDD docks - disk partitioned on one not usable on the other

I have two different 3TB SATA hard disks: a Toshiba DT01ACA300 a Seagate ST3000DM001. I also have access to two different USB 3 HDD docks: a Connectland DOCK-CNL-YJK3519-V3+ES a Focus SATA + IDE ...
2
votes
0answers
360 views

Disk Utility: Invalid Disk Label @ cksum mismatch

I have a WD external hard drive. I've been running the routine tests to make sure all my stuff is safe lately. In Disk Utility, I did Verify Disk on both the disk itself as well as the main partition, ...
0
votes
1answer
622 views

MacBook Air running Yosemite won't shut down when external HDD connected

My MacBook Air won't shut down when an external hard drive is connected. The screen goes black, and the mouse pointer is still there. I think this started happening when I upgrade to Yosemite. Any ...
0
votes
1answer
51 views

Why is “my passport air” suddenly not coming up as recognized by my macbook air? The light is on and it is vibrating as it usually does

I had another external drive transferred to this one with all my data on it and now I can't access it. What can I do to access the drive and data?
2
votes
2answers
82 views

How to find recently connected external disks?

Bit of an emergency so any help really appreciated. I am trying to work out whether or not the there is a way for me to see the details (specifically names) of external drives that have been ...
6
votes
2answers
8k views

Is it possible to enable TRIM for an external SSD?

I have an iMac from 2011, Mac OS X 10.6.8, and an SDD in a FW800/USB3 case. Which interface can let me enable TRIM: USB2, USB3, FW800 or Thunderbolt ?
1
vote
1answer
285 views

Is it possible to backup iOS devices to an external drive?

I have a new Mac Pro with a small 256GB SSD. I have a larger 2TB drive that I run backups to. My girlfriend has a MacBook Air with a tiny 128GB SSD. Our problem is our iPhones have 50GB of music, ...