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

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13
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3answers
25k 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 ...
-5
votes
2answers
30 views

Installing Windows on External HD. Other guides to difficult for me

I have a Macbook Pro Retina 13" mid 2014 model. I have 256 GB Disk Space and want to install Windows mainly for gaming but other programs as well but I do not have enough space for my needs. My ...
1
vote
2answers
1k views

My NTFS formatted external Toshiba drive is unreadable since update to Yosemite OS X 10.10.1

My portable external Toshiba hard drive is now unreadable on my MacBook Pro early 2008 aluminum computer. Since updating to Yosemite OS X 10.10.1, I cannot recover my files stored as Time Machine ...
0
votes
0answers
6 views

External FW800/USB 3.0 drive slows down many system operations on my MBPs

I have experienced this issue for a long time on my old 17" MacBookPro8,3 and now seeing it on a new 15" MacBookPro11,5. Often the drive connected now through USB 3.0 will spin-down to rest state when ...
0
votes
0answers
13 views

Connect to external drive wirelessly, securely and easily

I'm moving from using a laptop as my sole computer (MBP, early 2011) to having two active computers (the MBP and an iMac). Instead of keeping all my data on my MBP, I'd like it all on an external ...
0
votes
2answers
37 views

USB Flash drive not mounting OS X

Some months ago I bought a USB flash drive 16 GB, and I have used it on my Windows machine with no errors or bugs, whatsoever. Since that I need to move some files from my Mac, the flash drive does ...
0
votes
1answer
348 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 ...
1
vote
1answer
7k 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 ...
1
vote
2answers
4k 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 ...
0
votes
0answers
11 views

wd passport external drive is suddenly absent from desk top

HI have been backing up my data for 4 years with a WD Passport. Suddenly the icon is missing from desk top. I have checked the appropriate box in Finder preferences. How can i get it back on line?
1
vote
2answers
39 views

Will upgranding my MBP to an internal SSD, improve also speed of reading external non SSD HDrives?

So, I'm thinking of upgrading my MBP (13' late 2011) with an internal SSD drive. I'm wondering if the increase in speed of read and write on the SSD internal drive, will increase peroformance and ...
1
vote
1answer
32 views

Why there is a large lost+found folder on external disk

I brought my MacBook Pro 1 year ago, at that time it runs OS X 10.9 . At that time I connected an external 2TB HDD (HFS+ single partition, not connected all the time) to it via USB as a Time Machine ...
5
votes
3answers
3k 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 ...
-1
votes
1answer
46 views

How much faster is an external SSD than external HDD if internal drive is SSD?

I'm running intensive animation software and am having speed issues. At the moment I'm just working from an internal SSD. How much faster should it run if I put the project files on an external HDD? ...
1
vote
1answer
25 views

How can i get itunes to backup my iphone with limited disk. I linked the backup dir to an ext drive with space yet still won't backup?

On OSX yosemite, a machine with limited disk space free. In order to backup my iphone, I've linked the ~/Library/Application Support/MobileSync/Backup dir to an external drive. iTunes, correctly ...
0
votes
1answer
29 views

The disk “Vol” couldn’t be ejected because “Terminal” is using it

I have connected an External hard disk to Mac and just issued command df -h in terminal. When I tried to eject drive it shows the error. After closing terminal, I could eject it. But is that really ...
2
votes
0answers
17 views

Time Machine backup to run my MacBook on another

My MacBook is in the shop for repair. I have my Mom's MacBook, but the hard drive has failed. I'm wondering if I can use the time machine backup of my computer via USB to basically run my hard drive ...
1
vote
2answers
48 views

Can I keep 1 specific backup on an external hard drive as it fills up and deletes older backups? [duplicate]

I've just moved 262GB of photos to a new external hard drive (1 TB), freeing up my MacBook Pro, 1 year old, which was dangerously low on space. I first backed them up on an existing external hard ...
0
votes
0answers
37 views

Unable to use G-Drive 4TB external drive for TimeMachine backups

I want to use my G-Drive 4TB external drive for my TimeMachine backups. I have a iMac 27" and a MacBook Pro, both are running OS X Yosemite. I have tried almost everything (I think...) but the drive ...
3
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 ...
0
votes
0answers
8 views

Files damaged when transferred from external HD

I have backed up my zipped , docs , excels and text files on my external HD , this external HD formatted with mac journaled and encrypted. Some time I work with these files yesterday I transferred ...
0
votes
0answers
20 views

How can I use my SanDisk Connect Wireless Flash Drive with my 12" MacBook

I can access the drive on my iPhone, iPad and Android. I am having trouble figuring out how to get it to work with my Mac I am using Yosemite and I've done the latest firmware update on the drive
0
votes
2answers
9k 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
vote
2answers
46 views

Install application on external SSD and load from external SSD to RAM?

I want to install some applications on an external SSD attached via a USB 3.0 interface. As I know from the apple site, I can move my iTunes and photo library to an external drive. (support apple ...
1
vote
1answer
1k 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
2answers
245 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
69 views

USB 3 HDD on Apple Thunderbolt Display

I have an Apple Thunderbolt display and really love it - only that the USB ports are only USB 2! I have read this question, but is there any new development on connecting a USB 3 drive to a ...
3
votes
4answers
301 views

How do I temporarily relocate my Time Machine backup files

I have a 1TB WD My Passport external hard drive that I've been using for Time Machine backups. I recently had an issue with it where I can't save to it anymore because it was corrupted. The way to fix ...
5
votes
1answer
5k 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 ...
0
votes
1answer
20 views

Unable to change volume size on WD My Passport Wireless

I have been trying to partion my WD My Passport External harddrive that has already got data on it. All of the guides I see on the internet tell you to resize the current volume to do so. I don't have ...
-2
votes
1answer
53 views

Run OSX on external drive

I use a Surface Pro 3 (will upgrade to the 4 in a few months hopefully) and want to develop iOS applications but I don't want to buy a Mac. I've heard about Hackintosh, but I was wondering: can I ...
1
vote
1answer
39 views

Can I backup a Time Capsule to a HDD drive connected to its USB port?

I have a 2TB Time Capsule and multiple external HDDs. I recently bought a 4TB external drive, now I'd like all my files, in all my HDDs to go to the 4TB drive that is connected through USB to the ...
1
vote
3answers
5k views

“Couldn’t create temporary file.” error when erasing free space on external disk

I was trying to wipe the free space of an external USB 3.0 disk in OS X (Yosemite) disk utility. However, I receive the following error: EDIT: The disk is formatted as GUID / Mac OS Extended ...
0
votes
1answer
46 views

Transfer external hard drive Time Machine data to a replacement

My Western Digital external hard drive is full. How do I transfer data to its replacement? I want all the data to be saved to the new external hard drive so Time Machine will continue where it left ...
0
votes
1answer
161 views

NTFS support for Mac

I am long time windows user with who just started using Mac. All my external drives(1 & 2tb 2.5 portable drive ) are formatted in NTFS. But I found that my mac cannot read or write on that. So, ...
1
vote
1answer
95 views

My MacBook won't recognize my external hard drive (Passport - that I use to back up the Mac!)

I'm not techie at all. But I manage the basics. I've always backed up my MacBook (2009) on a Passport. I just plug it in while the Mac is connected to power source & click the icon & it ...
0
votes
0answers
112 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 ...
6
votes
6answers
17k 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 ...
0
votes
0answers
21 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. ...
1
vote
3answers
3k 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. ...
1
vote
2answers
17k 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 ...
7
votes
11answers
93k 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 ...
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 ...
0
votes
2answers
928 views

Implications of using a USB SSD drive to run VM images off

I'm running VMware Fusion on my Apple Macbook Pro (15 inch, Mid 2012, OSX 10.10.2), and have several VM images that are stored on an external USB3 disk (WD Passport). The external disk is fine for ...
0
votes
0answers
51 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
votes
0answers
40 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, ...
1
vote
2answers
125 views

External HDD cannot be mounted

I really have a problem with my HDD. I was working on it, it was my local HDD installed on a MacBook 2009 but some day my Mac turned off suddenly and it didn't work again. I installed OS X on a new ...
0
votes
1answer
139 views

Backup Disk 'doesn’t contain an EFI system partition'

I have a 750GB Western Digital external HDD which I use for Time Machine backups (MBP, OS 10.10.3). Today I had the need to boot to recovery, which I did from said backup. But I was unsuccessful in ...
0
votes
1answer
251 views

Apple Time Machine doesn't see my WD My Passport 2 TB using USB 3.0

I have Yosemite 10.10.2 on my Early 2008 24". Time Machine has been backing up to my WD external hard drives for years. I just purchased a new 2TB My Passport using USB 3.0. It's formatted in Mac ...
0
votes
1answer
76 views

How do I repair a hard drive that was being written to while my MacBook Air crashed? (Drive will not mount)

My external backup drive will not mount. I have tried to mount it in Disk Utility via the app and the command prompt but the attempt times out. Any suggestions? I backed up my HD the day before ...