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

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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/ ...
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2answers
772 views

External drive HD WD 3T My Passport with Mavericks suddenly unmounts

I've a problem with my external hard drive, a Western Digital 3TB, with my Mac running OS X 10.9, Mavericks. When my hard drive is linked to my MacBook Air and, I work with it, the drive suddenly ...
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1answer
82 views

Need to install SL on Mavericks external drive

I have a 2012 iMac 21" with the latest Mavericks. I also have a need for a bootable Snow Leopard external drive so I can run Boot Camp with XP. I purchased a Snow Leopard Retail install disk only to ...
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83 views

Repurpose 2006 Mac Mini for Time Machine with external HDD

I have a Apple Mac mini "Core Duo" 1.66 from 2006 sitting around. I also have on order a CiT 3.5 inch USB 2.0 Dual SATA HDD Enclosure and was thinking of getting a WD Green 4TB Desktop Internal SATA ...
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1answer
208 views

Using rsync to copy data from one Drobo (NTFS) to another Drobo (Mac OS Extended (Journaled))

I have been using Windows 2008 in Parallels on my Mac Server to serve up files to my Windows clients on the network with a USB attached Drobo (NTFS). Now I want to move these files to my Mac Drobo ...
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1answer
186 views

RW mounted NTFS drive not shown in finder

I mounted my NTFS drive in OSX with UUID=<some-uuid> none ntfs rw,auto,nobrowse in fstab, but finder does not show the drive. I can do open /Volumes/drivename and will see the files and can ...
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56 views

Diagnose if corrupted volume is due to hardware problem

This morning when turning on a Mac laptop, it suddenly announced that an external backup disk (which was connected overnight) "can't be repaired". Disk Utility also says: Disk Utility can’t ...
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1answer
129 views

Does the 27-inch iMac (MC511LL/A) have a true thunderbolt port or just a mini-display port?

I'm trying to connect a thunderbolt external drive to my Mac: http://www.everymac.com/systems/apple/imac/specs/imac-core-i5-2.8-27-inch-aluminum-mid-2010-specs.html However, the disk is not being ...
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1answer
170 views

Difference in disk usage MS DOS vs Extended Journaled

Searches on Google and the Apple forums didn't get me any answers or couldn't clarify this for me, hence this question. I have two following external USB hard drives connected to my iMac: "Lacie1" ...
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3answers
393 views

Almost 450 MB consumed on empty external hard drive

I have an old Macbook Pro with 500GB hard disk. The MBP stopped working. I am now using that hard disk as external storage. After erasing the data (using Disk Utility), I see that almost 450MB is used ...
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216 views

Install Ubuntu 13.10 on external firewire hard drive

I think I installed Ubuntu 13.10 on my external firewire hard drive (LaCie Rugged Triple) successfully, but I don't see any way to boot it. How can I solve this? I already have Mac OS X 10.7, Lion, ...
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1answer
78 views

How to get Mac App Store to stop thinking app is installed on external drive?

I ran into a problem where the Mac App Store said that a particular app (Numbers in this case) was up to date, but whenever I launched it I would get an older version. I finally did a search across ...
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0answers
106 views

External hard drive un-mounts and mounts itself

I have a Seagate external hard drive formatted to HFS+ that won't stay mounted for more than a couple of seconds however then mounts itself again only to unmount itself again and this keeps happening ...
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1answer
105 views

Can i stored iMovie projects and files in an NTFS external drive?

I'm backing up manually my computer with the data I want to keep. I've already backed up iPhoto library in a a Mac OS Extended (Journaled) partition as it seems is the only way to store it properly. ...
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1answer
653 views

How do I erase partitions on a drive that's been protected with FileVault 2?

I want to completely wipe a USB thumb drive, re-partition it, and reformat the partition as ExFAT, not JHFS+. Unfortunately, I used FileVault 2 on it when I made it and that seems to be preventing me ...
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1answer
1k views

How to run programs from an external hard drive on MacBook Pro?

I need to know how to install and run applications from an external hard drive on my MacBook Pro.
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0answers
99 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 ...
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2answers
3k 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 ...
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2answers
133 views

How to find file system of external hard drive?

I have plugged external hard drive. It does not show in Normal Mode. I can see its Type Name and Identifier thru terminal. I want to find the file system of the external hard drive. I want to format ...
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2answers
773 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 ...
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2answers
706 views

Which format for external disk for performance?

I'm using OS X Mavericks and just got a new external hard disk. I don't need to share it with a PC (so no need for FAT) but I do want it to have better I/O performance. I'm a bit confused by the ...
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1answer
143 views

how to write to a windows formatted disk from OSx?

I have 4 external hard disk formatted on windows in NTFS, but they are lying unused since I bought mac, so I am looking forward somehow I should be able to write to those disc without having to format ...
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23 views

Lacie Hard Drive converted itself to FDISK_partition from GUID_partition

I am running OS X 10.6.8 and my Lacie external hard drive converted itself from GUID_partition to FDISK_partition all by itself. How can I force the disk to mount just to get the files off of it? I ...
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1answer
621 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 ...
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2answers
49 views

USB3 HDD on an USB2 port vs thunderbolt

I need to buy a new HDD (>2To so no SSD solution, unless you know a very attractive offer) and I was wondering about performance knowing this : MBP 2011 (2 usb 2.0 - 1 Thunderbolt); 7k2 HDD. What ...
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1answer
38 views

On external drives

When I shop for third-party external hard drives I'm struck by how much more expensive the drives that are advertised "for Mac" are, when compared to those without such qualification. My question is: ...
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2answers
320 views

Time Machine - multiple backup destinations for a “separate weekly”

I have a client that I'm setting up Time Machine to backup his Macbook Pro. He's running OSX Mountain Lion, but soon to upgrade to Mavericks. It has been backing up using Time Machine and an ...
6
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1answer
2k views

Can't restore to backups after removing disk in Time Machine

I've been using a WD 2TB HD for the last two months to handle my Time Machine backups for my Macbook Air. Yesterday, I wanted to set it up to handle backups through the network. In the Time Machine ...
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0answers
130 views

WD My Book for Mac External HD won't boot any more

I bought a 3T WD My Book for Mac external HD and use it with my iMac with OSX 10.8.5. I partitioned it into 5 partitions. There are three 30G partitions and two larger ones. The largest is used as a ...
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33 views

How can I prevent “Open With…” from accessing external drives?

Frequently, when I try to open the (10.9) Finder's "Open With..." menu, I experience a delay that appears to be due to connected FireWire drives. This delay is very long when the drives need to spin ...
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99 views

Follow up question to “is there a way to store mail on an external hard drive using apple mail?”

This is a follow up question regarding storing mail on an external drive. I'm running Mountain Lion (10.8.5), and I've been successful in moving ~/Library/Mail and ~/Library/Mail Downloads to my ...
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3answers
1k views

Can I configure my Macbook to unmount all external drives when I close the lid?

I have a new 13" Macbook Pro running Mavericks. This computer is connected to an external USB drive which I use for my Time Machine backups and for external storage Time Machine backups occur a few ...
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1answer
124 views

Could two WD Passport Ultra 1TB drives be used in the OWC Mercury Elite Pro Dual mini enclosure as RAID 1?

I'm thinking of buying one more WD Passport Ultra 1TB (I have one already) so that in the near future I could disassemble the two Passports and install the 1TB drives into the OWC Mercury Elite Pro ...
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0answers
267 views

How do I (re)mount missing Firewire drives? Why do they vanish?

I have several Firewire drives that occasionally "go missing" even though they are connected to my Mac and powered on (the power light is illuminated). These drives do not appear in Disk Utility or ...
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2answers
412 views

How can I copy data from an external HDD that is about to fail?

I have an external HDD that is about to fail. I want to copy as much as I can to a new external HDD before it completely dies. I've been able to start copying files for a few minutes before the drive ...
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1answer
66 views

Reanimate “dead tracks” in iTunes that are one external drive

I keep my 20k+ songs on an external drive because the of tiny drive in my MacBook Air. Unfortunately after i removed the drive, all my tracks in iTunes show the exclamation mark. Is there any way to ...
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37 views

How do I reformat an iomega HDD that does not mount on my mac?

I have a iOmega MiniMax 2T linked to my Time Capsule, it is workinkg fine, except for the fact that i no longer can mount it to my iMac directly. I need to reformat it, but cannot use Disk Utility. ...
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1answer
85 views

Migrate Mac to Mac with external iTunes & iPhoto

I've got an iMac with 2 external hard drives. One 1.5TB external hard drive for iTunes and iPhoto (750GB combined) and one 3TB external hard drive for Time Machine backups. I want to migrate ...
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274 views

Unable to create new partition with Disk Utility on external drive

I'm trying to create space on an external drive to clone my mac as a bootable volume with CCC. With Disk Utility I cannot modify it for some reason (probably because the same disk is used with Time ...
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0answers
278 views

My Lacie 'Rugged' external hard-drive no longer mounts

My Lacie 'rugged' 1TB external hard-drive has stopped working. I have always been sceptical about the USB connector cable, and more specifically where it joins the hard-drive. It just seems poorly ...
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3answers
2k views

Time Machine error creating the backup folder on a spacious hard drive

I have upgraded recently to Mavericks, and am setting up Time Machine on this system for the first time (it wasn't set up with the earlier OS, Mountain Lion.) Time Machine successfully backs up once ...
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2answers
175 views

Using an External HD for Time Machine and iTunes

My MacBook Air only has a 128Gb HD so I have a 500Gb external HD which I have my iTunes folder on (as I have over 200Gb of music and videos). But I would like to also use the external `hard drive for ...
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1answer
326 views

Automatically mounting an external Firewire drive after reboot, without login

I have an iMac that is running Mavericks with OS X Server. I have the Time Machine service set up on that machine, referring to a directory on an external drive that is connected via Firewire. Other ...
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3answers
345 views

The hunt is on, new Mac Pro 2013 and where do you move your old MP data?

I would say, the hunt is on. If your are like me, having a old Mac Pro, with 4x HDD (8 TB total) and your preparing for the new Mac Pro (yeah!). Then the question becomes: where do you move your old ...
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2answers
177 views

Does it make sense to buy a compatible Mac external disk?

What is the advantage of buying a compatible Mac external disk? Using Tuxera NTFS I can have an external disk for both, the windows partition (or any windows machine) as well as for the Mac one. Does ...
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4answers
9k views

Macbook Pro won't mount external hard drive

I have been having this problem with a Macbook Pro late 2006 and a Macbook Pro early 2011. Macbook Pro refuses to mount an specific external hard drive or USB stick, after being able to do so with no ...
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2answers
2k views

How to let MacBook Pro recognize my external hard drive as internal hard drive?

I'd like to install Windows 7 on my MacBook Pro, but as the internal hard drive cable is not working, I'm using it with an external hard drive plugged in which OS X is installed on. When I try to ...
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2answers
184 views

iOS jailbroken: native storage on an external drive?

Since I have a faster internet connection now, and I like watching screencasts, I've started to explore YouTube downloader apps, but there's a lot of apps that I would like to use by downloading data ...
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16 views

Prevent mounting of a specific volume when connecting an external drive [duplicate]

I've got an external drive with 3 volumes on it. All of them are mounted upon connecting the external drive to my Mac. I want one of these 3 volumes to not be mounted when I connect it. Is that ...
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5answers
8k 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 ...