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

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17 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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1answer
16 views

I have to repair my external hard drive each time I plug it?

I have a 2009 320GB Toshiba Hard Drive, and every time I plug it to my macbook pro 13inch Retina, I have to go to Disk Utility -> Repair Disk. Why is that? Whats the solution? Please help!!! Thanks
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0answers
30 views

Data partly lost or hidden on external disk

I have an external disk connected to MacBook via USB. From time to time the system alerts that the disk is unreadable, but sometimes it seems to connect and I can browse it in Finder, and even open ...
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1answer
25 views

Do I need to keep any cautions in mind when transfering an external SSD into my Macbook?

Hi I am now successfully running my MacbookPro off of a bootable external SSD (which is runnung Yosemite and onto which I cloned my whole system) and I would like to switch it out with the old HDD ...
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1answer
43 views

Hide backup drive from guest user

I have a backup drive connected to my mac mini, which I just upgraded to yosemite. I created a guest account, and unfortunately, the guest can browse the backup drive. Is there an easy way to prevent ...
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439 views

OS X Yosemite attempts to eject external drives after sleep

I have 2 external drives that I use respectively for Time Machine and for all my work. I installed OS X Yosemite today and now every time my iMac goes to sleep (I never turn my macs off) it attempts ...
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24 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 ...
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1answer
38 views

Cannot change permission of external ExFAT HDD folders

I can't change permissions of external HDD folders The file system is ExFAT and I am on OSX. Here is what is shown when I do ls: drwxrwxrwx@ I don't even understand what @ means at the end. Is it ...
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1answer
21 views

Strange background color on external drive folder names

I had folder on local Mac drive. And when I ls on terminal I see this: But when I copied on external HDD (FAT filesystem) I see this when I call the same ls command in the same directory: What ...
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2answers
87 views

Cannot read external hard drive after installing Linux?

Please help. I wanted to install linux so I follow this guide: http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-mac-osx I used my external hard drive to do this but then after I finished ...
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2answers
568 views

OS X Yosemite Improperly Ejecting External Devices [closed]

I have a WD My Passport Ultra and I had it plugged into my MacBook Pro 15" Mid 2012 Model and I had just closed the lid and it went to sleep. Then I came back hours later and when I opened it a ...
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26 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 ...
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1answer
104 views

Why is my USB drive suddenly read-only and how can I make it read-write again?

I have a 1 TB USB drive. I've been using it for months. My main iTunes library is on it. As of yesterday, for no apparent reason, it has become read only. I can't open iTunes. I also tried ...
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0answers
30 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. ...
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1answer
51 views

Trying to encrypt external HD . GPT scheme required . Do not want to erase data

Hey so i'm trying to encrypt my external hard drive (Seagate) and I right clicked on it and selected Encrypt [name] from the menu. Made my password but could not move forward because I got the error ...
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1answer
41 views

Need solution for RAID from old Mac

I have an old Hackintosh which I no longer use, except as a server to access 2 RAIDs made of 6 disks. The machine is too big, uses too much power, makes too much noise, and generates too much heat to ...
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1answer
35 views

Time machine drive used for time machine before..can it back up a new drive without erasing?

My MacBook Pro drive died a few months ago. Thankfully it was fully backed up to an external with Time Machine. I seem to grab something from the backup every week from various libraries, but I now ...
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0answers
44 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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1answer
52 views

Files gone after disk utility repair tool. however, space on disk remains

I stupidly repaired my external hard disk without backing it up via mavericks's disk utility repair option. After the repair, all my folders disappeared but at the same time I noticed that the disk ...
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0answers
157 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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1answer
174 views

External Hard-disk showing Input/Output error

I have a 1TB External Hard drive which I'm currently not able to access. When I open the External drive in Finder, It shows it's empty. When I use the option to "Get Info", I get the dialog box ...
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1answer
120 views

Can I mount an external NTFS drive as writable when running the install DVD?

I have an old Macbook Pro on which I'd like to try Mavericks. Before doing so I want to make a back-up of my current Mac OS X install (10.6.8). I will use the disk utility option (and not the time ...
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56 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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62 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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57 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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2answers
239 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 ...
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33 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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72 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 ...
2
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1answer
60 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 ...
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0answers
67 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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1answer
79 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, ...
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6answers
456 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 ...
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1answer
287 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 ...
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67 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 ...
2
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3answers
941 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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1answer
304 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. ...
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1answer
20 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
124 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. ...
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0answers
45 views

Partitioning an encrypted time machine hard drive

I recently got a 1TB external hard drive. My intention was to partition half for time machine to do backups, and half for general storage. When setting up time machine there was the option to encrypt, ...
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0answers
114 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 ...
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0answers
176 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.
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1answer
181 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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0answers
51 views

Why is my Blu ray burner ejecting blank disks?

I bought an external drive/burner that supports reading/writing of single and double layer Blu Ray disks. I'm running OS X Mavericks. I haven't had any issue burning CDs and DVDs, but when I insert a ...
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1answer
3k 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
409 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 ...
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99 views

Error -50 on a partitioned external hard drive

I bought a 4 TB Seagate Expansion external hard drive about a month ago. I intended to use 1 TB as a Time Machine partition and 3 TB for miscellaneous storage. When it arrived I went ahead and made ...
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1answer
175 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, ...
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2answers
2k 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 ...
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0answers
75 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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388 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 ...