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

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Backup Failed - Time Machine couldn't back up to “disk name”

I have a 2013 MacBook Air running Mavericks. I bought a Nifty drive and a top of the line micro sd. When I shutdown my computer, turn it back on and go to backup no problem, but if the lid is shut and ...
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34 views

Boot OS X (Native) in a VM

I have an exernal USB disk with 10.8.x installed. I want to boot it up in a VM on my Mac Mini running 10.9.3. Can I do this in vmware fusion? I know it's possible to boot a windows bootcsmp install ...
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1answer
5k views

External Seagate Hard drive for Mac - Compatibility

I am looking to purchase a Seagate External Hard Drive for my MacBook Air. The products claims it works only with PC (windows), however, I have read multiple places that I can just format the drive ...
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36 views

How to efficiently move data from Time Capsule to attached USB drive?

Is there a way to tell the Time Capsule to copy some of my data from the internal HDD to an external USB HDD attached to the Capsule, without having to go through my Mac for copying? Having to beam ...
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995 views

How do I create a new playlist when all the options are greyed out?

I'm running iTunes 11.1.5 under Mavericks 10.9.2. Because I have a very large music collection I keep it on an external drive. I have six recorded lectures I'd like to sync with my iPad. How do I ...
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238 views

Can't format USB Key

I've got an issue with my USB key, I can't write on it, nor format it... Here's what the erase option of Disk Utility outputs: Here's the Verify/Repair output: Verifying volume “NO NAME”Checking ...
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1answer
5k views

OS 10.9.3 Seagate External Drive Won't Mount

Updated to Mavericks and now my external 1TB Seagate drive won't mount. Its icon ("Blorp") is greyed out in Disk Utility and all it says about the volume is that it is a "locked logical volume." This ...
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369 views

How to auto-mount an external ext4 USB partition on OSX 10.9?

I installed osxfuse and fuse-ext2 under OSX 10.9.2 to enable access to an ext4 partition on an external USB hard-drive. After creating a mount point for the partition in the Volumes folder, I can ...
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10answers
63k 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 ...
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4answers
6k 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 ...
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1answer
40 views

Apple to Windows External Hard disk file system error

I have a Toshiba 1tb hdd. I bought an apple laptop few weeks ago and the hdd has been working properly. Today I wanted to move some files from my old windows pc to the mac. When I connected the hdd ...
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2answers
211 views

itunes media from external drive

I have a mac, I've never used one before it's only a 128 GB SSD. I have 10 - 15GB of music on my PC. But iTunes is broken, even Apple couldn't fix it. So I can't update my ipod. Is there / what's the ...
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2answers
2k views

Time Machine cannot find external toshiba hard drive after OS X 10.9.2 update

I used my Toshiba Canvio USB 3.0 external hard drive without any problems for the past year. Today, I received a system alert: Backup failed. The backup disk "Time Machine Backups" is not ...
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0answers
84 views

Macbook often won't shutdown if external not manually unmounted first

If I don't have my external hard drive plugged in, or if I eject it first, the computer shuts down very fast thanks to my SSD. But if I don't eject it first, it either takes much longer to shut down ...
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2answers
12k views

How to disable Time Machine for an external hard drive

My wife has a MacBook Pro and two external hard drives; both of which currently contain a Time Machine backup of her MacBook Pro hard drive. Now she wants to "turn off" Time Machine for one of her ...
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1answer
191 views

Hard Drive Formatting Error in Terminal

I have tried formatting and partitioning this brand new hard drive and it has failed on multiple computers using multiple methods. It is a LaCie Porsche Design 4TB hard drive. Here is the commands I ...
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1answer
130 views

Where is the temp file created by Disk Utility during erasure of free space kept on a non-boot volume?

I used Disk Utility to perform a secure erase of free space on an external non-boot drive, and ran into a problem and the process was aborted. I see that the file is still there because the drive ...
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0answers
91 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 ...
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0answers
155 views

Raid two external hard-drives with read/write support on Windows & OS X

I have a USB 3 HDD enclosure that currently has two 1TB drives in it. I am looking at buying another external USB 3 HDD drive (not an enclosure). I am currently running the external enclosure with the ...
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1answer
133 views

Reconnect an external HDD after proper ejection [duplicate]

After I "properly eject" an external HDD or USB stick, can I "reconnect" it without physically unplugging it?
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1answer
730 views

Disk Utility reports “missing thread record” on my external HDD

I have an external 500 GB HDD that's about five years old. I just turned it on and it made a bunch of clicking noises and failed to spin up immediately, though it did so after a few seconds. To be ...
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58 views

Time Machine, Drive not available

My friend has a MacBook Pro. I've wanted to do some backup on an external drive (Lacie 1TB) with Time Machine. Now, since the backup is in the external HDD, I can not use the internal drive of the ...
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1answer
122 views

Why do external drives spin up for webpage rendering?

I recently went to some webpage in Chrome and noticed that my external harddrive had to spin up before the page would render. Does anybody know why OSX does this? I've noticed it in a few other ...
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1answer
4k views

Can I have two Time Machine partitions on one hard disk drive?

I know that someone can use a partition on a hard disk drive for Time Machine, but is it possible to specify more than one partition on a single drive for this purpose? The scenario: My partner and ...
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1answer
1k views

External Hard disk 500 GB free but can't copy 8 GB data

I have WD external hard disk, which was working fine. Its MS-DOS formatted. I have downloaded a file in .mkv, which works fine, and isn't corrupted. Upon copying the 8 gb file, it says "The file is ...
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1answer
97 views

Install 10.8 on an external drive from 10.9 [duplicate]

I have OS X v10.9. I downloaded v10.8 installer from the AppStore in order to install it on an external drive. However, when launching the installer it says that it can't be installed on this computer ...
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1answer
54 views

Upgrade to Mavericks from an external HDD

I have Snow Leopard on and external HDD. Is it possible to boot form the external drive, and install Mavericks on the internal drive via the Mac App Store?
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3answers
645 views

External drive performance for iMovie

I love iMovie and used it to create several projects on my wife's iMac. I'd like to move all my iMovie resources (from an HD camcorder and my iPhone) to my Macbook Air but I don't feel there is ...
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1answer
213 views

How do I stop my external hard drive from using all my RAM?

I'm running OSX Mavericks, and have an external 500Gb HD connected via firewire. I have 24GB's of RAM, and fairly often my RAM usage will spike to 23.95 GBs in use and literally leave me with only 50 ...
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4answers
333 views

Is It Possible to Install OS X on an External Drive for Use with Any Mac?

My dad would like to encourage me to learn how to program in C++, but he doesn't want anything that could possibly go wrong with any of the computers that we own while I am doing so to affect any of ...
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1answer
80 views

Time Machine: Mobile incremental Backup

Imagine I do backups using Time Machine at home just like everybody else. But as I travel often and of course also work on the road I also need to have a mobile backup solution. I thought about the ...
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1answer
168 views

External Drive doesn't want to live in sidebar

I have a remote hard drive (afp/smb) that won't live in the finder sidebar. Actually I have two, and one simply will not live in the finder sidebar. Everything else seems to function normally, ...
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9k 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/ ...
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2answers
1k 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
143 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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148 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
460 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
674 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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95 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
414 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
1k 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
1k 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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1answer
132 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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1answer
205 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
2k 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
6k 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
186 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 ...
3
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3answers
16k 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
284 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
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 ...