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

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3
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196 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 ...
2
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0answers
114 views

Can't erase unmountable external HD

My external HD isn't mounted and can't be repaired by Disk Utility. However, I'm also unable erase the disk: $ diskutil list disk2 /dev/disk2 #: TYPE NAME ...
2
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0answers
262 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 ...
2
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0answers
701 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, ...
2
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0answers
66 views

Difference between back-up computer vs. complete copy of everything?

What is meant by backing up computer vs. creating a copy of entire hard-drive? Are the meanings the same? How to create entire bootable copy of my computer using time machine? I have a time capsule. ...
2
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433 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 ...
2
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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$ ...
1
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0answers
28 views

Data spread on two disk, but only one Time Machine backup

I have an MBA with 500GB SSD; However I have 850GB of data; I would like to split the data to something like 300GB in the SSD and 550GB in an external drive; And I would like to have one Time Machine ...
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66 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 ...
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43 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 ...
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88 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. ...
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105 views

Can't copy folders to NTFS drive with NTFS-3G OSXFuse

I just installed ntfs-3g and osxfuse using brew. I have no problem copying individual files to the external hdd. But every time, I try to copy a folder, I get the following error : The operation ...
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160 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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0answers
149 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 ...
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0answers
447 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 ...
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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 ...
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0answers
271 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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95 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
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166 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 ...
1
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10k 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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33 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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190 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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467 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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699 views

RAID 1 array degraded, now not being recognized by OSX

I've got a pair of Seagate 3TB HDDs in a mirrored RAID 1 array using a Vantec NexStar MX two-drive enclosure. The setup has generally worked fine for the last four months, but lately I've noticed that ...
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140 views

Thermaltake External HDD USB 3.0 docking station gets unmounted

I'm using a Thermaltake External HDD USB 3.0 dual drive docking station on a Mac Air. I can see the files and seem to be able to copy small files fine. When I try to move a lot of files it gets ...
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313 views

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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919 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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293 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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744 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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0answers
56 views

Are “ejected” drives still unlocked?

If I eject an encrypted (with FileVault) drive in Mountain Lion, has it been locked, or is there more I need to do (like physically unplugging it)?
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427 views

Airport Extreme sharing 1TB disk

I just bought an Airport Extreme thinking it was easy to share a USB disk. I'm very disappointed that this is taking so much time and still not working. The disk is 1TB NTFS formatted. It works well ...
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54 views

Errors copying files to external drive

I back up my data on NTFS Windows formatted external hard drives (different brand names), cloning each drive to protect against hardware failure. I copy from Mac, Windows, Linux, or Android machines ...
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16 views

Backing up data to an NTFS drive

I have a 2TB external hard drive that is about half full of various photos and other things that I use it to hold. Now, I'd like to backup my MacBook Air to it, as I have no more room on my computer. ...
0
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31 views

Pixelmator: I cannot open the image from Photos library that is on the external drive

My Photos Library is Inactive when I try to open an image from external drive, as it is on the image below. What should I do to be able work with images from my Photos Library? My photos Library is ...
0
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0answers
24 views

Trying to zero out an external drive that shows “unable to write to last block”, keep on getting an I/O error

I'm trying to zero out a drive to use it as a Time Machine backup, firstly tried to format and "unable to write to last block" showed up. I tried to zero it out, but it took a large amount of time, ...
0
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0answers
37 views

how to mount internal hd after booting with external drive?

I am running macosx 10.6.3 and trying to mount/access the internal hd through diskutility: it does not show up here. I tried this: ...
0
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0answers
31 views

USB drive causes “OS X Can't Repair The Disk” error repeatedly

I've got a 2.5" 1 TB external that I've used for a couple years now. Initially it was in an OWC enclosure, and then more recently its in a Sabrent enclosure that I bought off of Amazon to get USB 3.0 ...
0
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0answers
25 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 ...
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330 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 ...
0
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0answers
152 views

WD external hard disk is not readable on Macbook

My WD My Passport was readable(not editable) on my Macbook..After going through some forums I installed NTFS free software to make my disk editable but on installing this my Hard disk is not even ...
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44 views

Can I Time Machine An External Hard Drive?

I have an external hard drive that I have time machined before but its not current. However, my old iMac has broken down but the hard disk is still ok. So I took out the old hard disk & start up ...
0
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65 views

External disk boots installation system, but not installed OS

I have an external NewerTech Voyager Q, connected with Firewire. In it I have my old internal HD. I used to have OS X Snow Leopard on it, so it's correctly formatted and bootable but it would never ...
0
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0answers
188 views

Install Windows 8.1 and OS X 10.9 on external SSD USB3.0 (iMac Late 2012)

Good morning, Currently I have my iMac running OS X 10.9 on an external USB3.0 SSD drive, and it has been running flawlessly. My question is: - Is it possible to dual-boot Windows 8.1 in the SAME ...
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0answers
90 views

External Hard Drive Locks Finder

Last week there was a short 10 second power outage and my external hard drive was attached to my laptop (Western Digital 750 MB drive). Message came up telling me the drive was improperly removed, I ...
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157 views

An external hard drive isn't recognized

Once I ejected an external hard drive incorrectly for some reason and from that time on it doesn't get recognized by my Mac so I can't see it plugged in at all (there's no sign in Finder that it's ...
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163 views

Invalid Argument when trying to write to external disk

I have an external USB 3 box on my mini (OSXS 10.9.4) that holds 4 drives (not a RAID). When I try to access either of two drives and write data to them, I get "Invalid argument" (the 3rd drive works, ...
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0answers
43 views

Portable hard drive free space partition

I have a Toshiba 1TB portable hard drive that had 2 partitions. I erased one of them (previously used for time machine backups) and it changed into a non-erasable or -changeable "free space" ...
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0answers
99 views

Cannot eject external hard drive connected to MacBook Pro — always in use

For some reason my mac book pro NEVER wants to eject either of my portable hard drives after they have been connected. I continue to get the message that it is still in use, even after I have quit ...
0
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0answers
112 views

Cannot encrypt external ssd drive

I have a new Thunderbolt SSD drive, which I cannot encrypt. I managed to (a) erase the partition, (b) create a new one: => diskutil partitionDisk /dev/disk3 GPT JHFS+ test 0b Started partitioning ...
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0answers
131 views

WD My Passbook for Mac plugged into Time Capsule via USB. Does it sleep? OK to leave in?

I have a WD My Passbook for Mac plugged into my Time Capsule via USB. I can access the drive just fine and really like it as additional storage in my network. Only problem is, I can't tell if it ...