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

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2answers
684 views

Western Digital Passport Drive Shows up on Old 2009 MacBook Pro, but not my new one

I just bought a new MacBook Pro to replace my old 2009 model. For some strange reason, the external Western Digital Passport Drive I've used for Time Machine on my old Mac doesn't seem to work on the ...
2
votes
1answer
562 views

Applescript question for copying files

I wrote a script to copy files from an SD Card to a Thunderbolt Hard Drive. I wanted the action to automatically do all of this in a single shelled applescript under an automator action. When I ...
1
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1answer
264 views

How to access the internal hard disk with full permissions?

My Mac does not start anymore. The hard disk is stranded :-( Macs and gravity are not good friends. When starting on a backup disk, I manage to see some contents of the internal disk Macintosh HD, ...
10
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7answers
3k views

How to Eject All External Partitions Quickly?

I have an external disk with two partitions on it that I keep plugged into my MacBook Pro when I'm at my desk. (One is for Time Machine, the other just for extra storage.) Sometimes I need to grab my ...
0
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1answer
690 views

Should I reformat a disk if Disk Utility asks me to?

I have a FAT32 external disc that was suddenly unmounted as I was using it. When I reconnected it and tried to Repair it in Disk Utility, I got the following messages: Verify and Repair volume ...
21
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8answers
62k 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 ...
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3answers
7k views

Reformat Time Machine backup drive back to an ordinary external hard drive

I have a WDC Passport external drive which I used as a time machine backup. However, I do not want to use it as Time Machine backup anymore, I just want to use it as a regular external hard drive. ...
0
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1answer
49 views

Launch iTunes and iPhoto when external USB drive is connected

Is there a code that I can just copy an paste into Terminal or Automator? If not what is the best Application to download?
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1answer
767 views

Can I remove one partition on an external drive, while keeping the other intact?

I have an external USB drive, which I've partitioned into separate FAT32 ("MOVIES") and OSX ("TIME_MACHINE") partitions: I now wish to remove the FAT32 partition and just use the OSX partition. ...
1
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0answers
201 views

Make an external DIY Fusion Drive

Last year, I created a Fusion Drive in my 13" MB (2008) by replacing the optical drive with a SSD and link it with the internal HDD by some terminal-magic from a computer magazine. It worked like a ...
1
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1answer
608 views

Can one mount a FileVault 2 encrypted drive from Windows?

I encrypted an external drive with FileVault 2. Now it would be great if I could access it from a Windows PC. Is this outright impossible? I found no definitive answer either way.
0
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1answer
262 views

NTFS External drive issue in Mac 10.9

Earlier i was able to access the NTFS formatted External hard drive in my Mac 10.9 as read only device. While trying to make the external NTFS drive writable i screwed up by unmouting it this link ...
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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 ...
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2answers
6k views

WD MyBook appears as read-only

My WD MyBook Essential with USB 2.0 appears with read-only permissions. I set the drive up on my old Vista machine, and when Vista began crashing, I switched to Ubuntu. I still have the Ubuntu ...
1
vote
1answer
856 views

Time Machine Backup accidentally unplugged, can't repair

I accidentally removed my Time Machine backup without ejecting. It didn't show up in Finder after I plugged it back in and Disk Utility cannot repair it. Disk Utility recommends reformatting the disk, ...
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 ...
1
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0answers
242 views

External USB 3.0 Seagate HDD No Longer Mounting

Out of nowhere my 1 TB Seagate FA GoFlex won't mount my Mac formatted partition (the only partition). I have run repair disk on the drive and on the partition and find no errors. I still get an ...
1
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0answers
502 views

Finder not able to view folders and files on EHD after updating to OS X 10.9.4

I can see still see 'Hitachi' in the 'Devices' Sidebar, but I am not able to view folders and files on this Hitachi XL2000 2TB FAT32 Hard Drive (EHD) that is USB connected to the iMac below. Late ...
1
vote
1answer
42 views

Run OSX as normal off external HD?

I'm continuing to hatch a plan to keep running whilst emergency repairs are carried out on my MBP. Further to a question I posted on Monday I'd like to know if anyone could shed light on whether this ...
0
votes
1answer
55 views

Move data from 1 hard drive to the other

I have a bootable partition on an external drive with some old data that I want to move to a new external hard drive. The partition on the old drive is 500GB however theres only 320GB of data. So i ...
0
votes
1answer
141 views

Possible to backup External Disk to Time Capsule regardless which machine it's connected to?

Here's the scenario: I have two MacBook Pros (Foo and Bar), and their drive's are both called Macintosh HD. I have a Time Capsule called Time Capsule, which is used to back up both Foo and Bar. I also ...
1
vote
1answer
10k views

How to daisy chain 2 Thunderbolt devices on 1 Thunderbolt port? [duplicate]

On an iMac with 1 Thunderbolt port, how to have an external monitor and an external HDD work? I can't use the USB port because it's 2.0, it will be too slow (the external HDD is a SSD). I understand ...
0
votes
2answers
679 views

Move referenced iTunes Audio files to another drive/folder

well, my iTunes library is on my main HD whereas audio files are on an external drive. I have to change the drive for these files and / or folder name, how do I point iTunes library to that ...
4
votes
1answer
1k views

External HD has disappeared from Finder

I believe I created this problem. When I plugged my External HD in last week I accidentally dragged the Ext HD onto the desktop. It then disappeared from view in finder and there is no shortcut on the ...
0
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2answers
2k views

.mov file in external HD, grayed out and won't open: “this item is already used by Mac OS X”

The file won't open, with QuickTime, with the following error message: Selecting repair disk on disk utility results in this: I'm under OSX 10.7.5.
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1answer
72 views

Connecting iPhoto to external drive

Would it be possible to create iPhoto "repository" on an external USB hard drive, so that every time I would plug the drive I launch iPhoto, I could manage my photos?
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0answers
293 views

External Hard Drive died – How do I recover those files from Time Machine?

My external hard drive, which I was backing up with Time Machine, finally died. I want to retrieve some of those files, but when I go into Time Machine I can't navigate to those files because Time ...
1
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1answer
2k views

using external hdd slows down my mac

When I use an external drive via usb, my computer really slows down giving me no choice except reboot. I watched memory usage with activity monitor. Free memory decreases by time and inactive memory ...
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0answers
1k views

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 ...
1
vote
1answer
18k 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 ...
0
votes
0answers
2k 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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0answers
407 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 ...
2
votes
1answer
7k 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 ...
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 ...
3
votes
6answers
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
1answer
51 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 ...
0
votes
2answers
451 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 ...
0
votes
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 ...
2
votes
2answers
30k 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 ...
2
votes
2answers
487 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 ...
1
vote
1answer
399 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 ...
1
vote
0answers
118 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 ...
1
vote
0answers
237 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 ...
0
votes
1answer
416 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?
0
votes
1answer
2k 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 ...
4
votes
1answer
173 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 ...
6
votes
1answer
7k 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 ...
5
votes
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 ...
2
votes
1answer
127 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 ...
1
vote
1answer
55 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?