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

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Time Capsule external hard drive (usb)

I've added an external (Freecom XS 1TB) hard disk to my Time Capsule. However, this one's Mac Journaled (HFS+) formatted and does not display in Finder until I add a hub between the TC and external ...
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2answers
186 views

Use time machine for backing up a different computer

I've been over many faq's and troubelshooting but can't seem to find an answer to this. I'm currently running my mac from an external HD. My internal got corrupted, I can't repair it with disc ...
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1answer
487 views

External Thunderbolt drive and Monitor from same port?

I have a MacMini 2011 booting from a GoFlex drive connected to its Thunderbolt cable. Recently I am considering adding a second monitor. The HDMI port is already taken by my current monitor. It seems ...
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2answers
881 views

How to fix mounting problem with external drive?

I have a USB external hard drive with AC adapter that works fine with an Ubuntu machine. But when I plug it into my MacBook Air it lists one partition on the finder, and does not mount the other. ...
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0answers
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 ...
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2answers
153 views

OS X installation on external HDD

I am planning to install a second OS X on an external HDD, I was wondering when I boot in external HDD will it in any ways affect my first OS X installation? Will it have the permissions to write or ...
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1answer
2k views

How to remove the use of master boot record from an external hard drive?

I have a 1TB external hard drive and I want to slice it into different partitions. When I try to do so, I get this error: can not modify external drive because it uses master boot record Is ...
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1answer
3k views

Error copying large file to usb 16GB Thumbdrive

Trying to copy a file (Win7_IE8.vhd) to a USB drive. The file is 9.07GB in size according to my Mac file info. The USB drive is 16GB. I bought it new 10 minutes ago. This is its first use. I get: ...
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1answer
128 views

External hard drive problems

I've two external hard drives attached to my MBP Retina OSX Mountain Lion. Whenever I open the Finder or switch to a Finder window, if either of the hard drives are asleep, there's a several second ...
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1answer
347 views

MBR-partitioned HDD: How to encrypt Time Machine backup?

I'm giving my external HDD to a friend tomorrow for a few days. It's partitioned via Master Boot Record and there are two partitions: a NTFS partition and my Time Machine partition. I don't want him ...
2
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1answer
49 views

What is the effect of permissions on external drives?

I've set the permissions on files on my removable external drives in ways that seem to make sense to preserve some degree of security. For example, for files that only I should have access to, I've ...
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0answers
1k views

The disk you inserted was not readable by this computer

I am getting a system message from Mac OS x 10.8.2 every time I power on my ICY DOCK RAID enclosure. I have followed the procedure in the manual to the letter. Installed two new 2TB HDDs > Changed ...
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1answer
1k views

Installing & running OS X 10.8 Mountain Lion from an external hard drive onto my Snow Leopard Macbook Pro?

I am currently running Mac OS X 10.6.8 Snow Leopard on my late 2010 Macbook Pro. I am perfectly fine with running Snow Leopard at present, but I feel I may be missing out on features or indeed updates ...
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2answers
179 views

Weird behaviour with external USB3 enclosure

I am having issues where an external USB3 drive(#1) is not showing up after reboot. It also doesnt not show up when holding option during boot. This external drive is a clone made with Carbon Copy ...
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2answers
257 views

OS on external SSD for performance?

I have a 2011 iMac 27", and back then opted for a HDD. Back then (and now still) I fear for the lifespan of SSDs, and hauling an iMac 27" to the store is cumbersome, so it looked the right choice. ...
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1answer
135 views

Move file from HDD to SSD

I've recently added an SSD drive to my Macbook, and I'm using my HDD to store my files. Sometimes I want to move a file from my HDD to my SSD though. Whenever I try to drag it, Finder only allows me ...
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2answers
1k views

Weird issues ejecting external hard drive

I have a 1TB Western Digital external hard drive that I use for Time Machine backups (and storage of a few other large files). Recently (since Mountain Lion, I think) I've been getting the following ...
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0answers
611 views

Recover partition from NTFS drive with folder structure

I ran disk utility and looked for errors on a NTFS drive that was working fine but had been ejected abruptly after the computer was forced to shut down. After that a bunch of errors just appeared in ...
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1answer
385 views

Can I fix this problem backing up Time Machine to an external HD via Airport Extreme?

I'm using a MacBook Pro and I decided to try using my WD Passport external HD wirelessly by connecting it to my Airport Extreme. I had previously used this external HD for storing things as well as ...
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3answers
9k views

External drive mounts but doesn't appear in Finder anymore

I have an external hard drive (Drobo 2nd gen) connected to my Mac via Firewire. It used to appear on my desktop and in my Finder sidebar, but now it won't show up in either place (I do have "Hard ...
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1answer
163 views

External harddrive changes name sometimes

I have bought a new external harddrive to use with my Macbook Air running OSX 10.8.2. I renamed the device to "750GB External" and started using it, for example to store some photos which I edit with ...
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2answers
5k views

MacBook Air and external USB 3.0 hard drive

I have EEB-40S-U3 with 500GB Seagate Momentus inside and 2012 MacBook Air 13". When I connect HDD case to laptop nothing happens: I don't hear any sound from HDD itself, volumes does not appear in ...
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1answer
957 views

Time machine error backup failed with error 11

I have a western digital 2TB hard disk (wd caviar green) connected through a unitek sata hdd docking station with my macbook air (10.8.2). When I try to backup with time machine, the backup fails ...
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1answer
348 views

can I point my Pictures folder to a folder in an external hard drive?

I would like to save some space on my laptop and to do so I was thinking of moving my Pictures folder on an external hard drive. As OSX doesn't want me to mess around with the main folders in my home, ...
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3answers
14k views

Is it possible to install and boot Windows on a Thunderbolt drive?

I know the BIOS emulation of the EFI firmware in Macs does not support booting from FireWire or USB drives, and the EFI version of Windows doesn't seem to be compatible with Apple's EFI ...
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0answers
316 views

External Harddrive is showing in System Information but not Disk Utility

My harddrive crashed last night and since then I have not been able to access it on my Macbook Pro. I've restarted both my computer and hardrive multiple times and I've experienced the same result. It ...
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2answers
514 views

Why do apps which are not installed run from an external bootable drive?

After a disk crash in my MacBook Pro running Lion, I replaced the drive, installed Mountain Lion, and am rebuilding my system. I used Migration Assistant to transfer from an external bootable clone ...
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0answers
2k views

Why can't I search files and folders on my external NTFS drive on Mountain Lion?

I have tried to re-index my external drive by removing it from Spotlight's privacy settings and putting it back there. I tried with mdutil in the terminal and I've got the following log: bb:~ bb$ ...
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1answer
2k views

Macbook Pro Retina external HDD

First of all, I haven't used any Mac computers before. And now I'm considering buying a Mac book pro retina 15 with 256 or 512 Gb SDD as my travel laptop. I need to run both MacOS and Windows 7. The ...
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3answers
9k 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 ...
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2answers
1k views

USB 2.0 hard disk does not show up

I have a 15-inch Macbook Pro with Retina Display that doesn't work with my USB 2 hard disk. It doesn't mount, doesn't show up in Disk Utility, and doesn't even show up in System Information in the ...
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2answers
7k views

Why does time machine backup take “3 days” over USB 3?

I have an external hard drive connected using USB3 to my macbook pro retina and I am running time machine for the first time. It is going very slow and estimate says "3 days". I don't understand why ...
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1answer
114 views

iTunes archive on non permanent external drive?

Is it possible or recommended to have the iTunes library on a non-permanent external drive? What will happen if I e.g. sync my iPhone while the drive is not attached? Or what will happen when iTunes ...
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0answers
265 views

Why do external hard drives stop working under very specific conditions?

I have a mid 2011 MacBook Pro 15" running Lion. I have seen this behavior across 3 different external hardrives, with varying manufacturers (2x Seagate, 1 Western Digital), different file system ...
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2answers
895 views

external disk formated with NTFS not working on Mac [duplicate]

Possible Duplicate: Hard drive read only access with Mac I bought new 1 TB WD My Passport and format it with NTFS on windows XP. and now when I connect it on mac, I see the drive but I cant ...
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votes
3answers
980 views

Can the contents of a partition be recovered after partition table is overwritten?

I ran a command to make my external hdd bootable knowing that it was risky considering the command itself did not allow me to specify a partition to which to write. (In hindsight, I would now call ...
0
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1answer
777 views

SSD in external usb 3.0 case not recognized

Mac mini 2009 Intel SSD 330 60 Gb IcyBox IB-AC603a USB 3.0 I can't see the SSD in Desktop nor in Disk Utility. I don't know what to do as it is said to be USB 2.0 friendly in case's documentation.
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1answer
655 views

Time Machine External Backup Disk Icon

I bought a new external hard drive to use with Time Machine: The Western Digital "My Passport for Mac" 1TB USB 3.0 Hard Disk Drive. This is the second hard drive Time Machine uses, the first one being ...
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2answers
1k views

Why are files moving to 'backup' in storage when I delete them off my macbook pro?

Back in the summer I bought an external hard drive for my MacBook Pro because I make videos on YouTube and they obviously take up a lot of space on my computer. The first couple of times I plugged the ...
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3answers
2k views

Copying to external USB drive in Mac OS X 10.8.2 yields “Device not configured” and hard lock

I am copying using cp or mv on the command line a large amount (>500gb) of files each sized between 600MB and 2.6GB to an external drive (a Thermaltake BlacX Duet), but after a significant but ...
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1answer
73 views

How can I know external HDD used time?

I want to know how long I used my external HDD. The HDD is WD My Book model. How can I know that?
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1answer
4k views

Can I make my external HD sleep automatically?

I have an external WD USB hard disk attached to my MBP which I use for backups etc. I've noticed that even when it's completely inactive, but the drive is mounted, that the disk is spinning constantly ...
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votes
6answers
11k views

How can I skip the Trash when deleting a file?

I frequently connect different external USB hard drives and flash drives to my computer and I would like to facilitate deleting files and regaining disk space from them. If I simply delete the file, ...
4
votes
2answers
3k views

Why does OS X now think I have two partitions on my external USB drive (plus random connection issue)?

I have an external USB drive that I have plugged into a USB hub, which gets unplugged from my computer about once a day. Most of the time I remember to unmount the drive before disconnecting so that ...
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1answer
135 views

Can Spotlight show results for disconnected drives?

I have several external hard drives which I would like to search for files with Spotlight. They cannot be all connected at the same time. How can I get Spotlight results for offline external hard ...
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0answers
556 views

Trouble backing up my Mac (with Time Machine) to my WD passport

I just bought a 1 TB WD passport (external hard drive) to backup my Mac. I'm currently operating on a Mac OS x 10.5.8 (Leopard) with a 2GHz Intel Core 2 Duo processor. To format the drive I erased ...
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2answers
116 views

external drive for ios products

I just purchased a cloud ftp usb adapter for my ipad so i can access my data. What these companies dont tell you is that the ipad must sync or download the files from hdd to ipad to access the data, ...
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1answer
132 views

Dual FireWire External HDD and second port performance

Backstory: There is a drive that comes to mind out there that has two FireWire 800 ports. My question is related to performance of the second port. In my case, I would like to hook up an external ...
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3answers
700 views

External hard drive frequently ejects itself when using Aperture

I have a brand new external hard drive which frequently ejects itself on a regular basis (every ~20 minutes or so), seemingly only when I have Aperture open (my Aperture library is located on the ...
4
votes
1answer
2k views

Sharing Mac hard drive over the Internet to a PC

Similar question to this, but my other computer is a PC. (PC seeing external hard drive from the Mac over the Internet.) My external is formatted exFAT. Neither the Mac nor the PC have issues using ...