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

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329 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
9 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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3answers
2k views

External USB drive connected to Airport Extreme doesn't show up in Airport Utility

I have connected an external drive to my Airport Extreme, but it doesn't show up in Finder, and it doesn't show up in the list of drives when I connect to the Airport Utility. The same drive worked ...
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0answers
113 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
28 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 ...
2
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2answers
8k views

Can I store and run applications on an external drive?

I am thinking of getting a this MacBook but the hard drive space is not sufficient. I was wondering if I bought an external hard drive for it would i be able to download apps and things onto it.
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1answer
24 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 ...
5
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5answers
9k views

How can I reliably backup an external drive to another external drive?

I have got an external hard drive (A) that contains my iTunes & Aperture libraries. It's not always plugged to my MacBook. What's the best way to make a backup of it on another external hard ...
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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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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 ...
0
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1answer
42 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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4answers
3k 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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0answers
416 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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2answers
553 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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0answers
23 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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1answer
36 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 ...
1
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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 ...
0
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2answers
86 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
2k 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 ...
1
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1answer
767 views

Recover Deleted Files on Mac OSX [External NTFS]

I have accidentally deleted some files on my Mac OS X Mavericks. Actually, I was trying to burn an .img file to my flash drive which was located at /dev/disk1 (at the same time I had connected a NTFS ...
2
votes
1answer
2k views

How do I move my iPhoto library to an external drive available through Time Capsule?

Like many others, the number of photos that we are storing these days is growing. Also, we have multiple iPhoto libraries on various computers. So it makes sense to consolidate photos into a ...
3
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9answers
30k views

disk utility can't repair this disk. backup as many of your files as possible

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 ...
24
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2answers
17k views

How do I disable this message: “the disk was not ejected properly”?

Is there any way to disable the "the disk was not ejected properly" message? I use a KVM and need to switch between two systems and have a memory stick that is in the KVM. The problem is that it's ...
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0answers
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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3answers
1k views

How to prevent Finder windows from automatically popping up when I attach a disk?

I have a removable Firewire drive. It has several partitions, many of which have Mac OS installers on them (I'm a developer/sysadmin, and need to reinstall fairly frequently). However, I also use ...
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2answers
5k 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 ...
8
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1answer
559 views

Disable File System Cache for USB Devices?

Possible Duplicate: Disable “the disk was not ejected properly” message When I have a USB Device like a SD Card, USB Drive or external hard drive, I always need to unmount it, ...
1
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1answer
100 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 ...
2
votes
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. ...
0
votes
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 ...
0
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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 ...
1
vote
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 ...
5
votes
3answers
4k views

Time Machine error creating the backup folder on a spacious hard drive

I have upgraded recently to Mavericks, and am setting up Time Machine on this system for the first time (it wasn't set up with the earlier OS, Mountain Lion.) Time Machine successfully backs up once ...
2
votes
3answers
3k views

Enabling Time Machine for a USB HDD with NTFS

When I've plugged in my USB HDD (WD Passort Elite) for the first time, the system had asked me whether I want to use this HDD as time machine drive. I've chosen smth like 'decide later' and continued ...
1
vote
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 ...
1
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1answer
171 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 ...
1
vote
1answer
51 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 ...
1
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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 ...
0
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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 ...
4
votes
1answer
6k views

Can I get S.M.A.R.T. support on external hard drives?

Disk Utility reports the S.M.A.R.T. Status as not verified for external disks, and by default Mac OS X only seems able to access S.M.A.R.T. information on internal hard drives. Is there a way to get ...
1
vote
1answer
118 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 ...
0
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0answers
55 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 ...
33
votes
6answers
16k 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, ...
0
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0answers
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 ...
1
vote
2answers
238 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 ...
0
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0answers
56 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, ...
4
votes
2answers
7k views

Is it possible to enable TRIM for an external SSD?

I have an iMac from 2011, Mac OS X 10.6.8, and an SDD in a FW800/USB3 case. Which interface can let me enable TRIM: USB2, USB3, FW800 or Thunderbolt ?
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0answers
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" ...
6
votes
6answers
453 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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0answers
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 ...