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

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1answer
30 views

USB hard drive permissions

I have a JBOD with a couple of disks in that are mirrored using Disk Utility and have a single partition formatted as HFS+. The purpose of this drive is to hold an iTunes library (sharing to AppleTV) ...
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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 ...
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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 ...
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1answer
26 views

How do i get old external drive data onto new external drive (but not also on computer HD) [on hold]

EDIT:Let me try again. Sorry guys I'm fairly adept at understanding things in regards to these machines, but I'm by no means a pro. Just looking for some advice. MacBook Pro 2007 ==> Backed up to G ...
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1answer
48 views

Is it possible to tell if a Macbook hard drive was booted internally versus externally (usb, firewire, etc.)?

Is it possible to tell from system.log or other logs whether a macbook pro hard drive was booted internally or taken out and booted externally (from USB, for example) ? I'm thinking the "BSD root" or ...
1
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1answer
24 views

Software to duplicate external hard drive formatted ExFAT

I have an external hard drive with a 2.9TB ExFAT partition that I keep my photos and other media on. (ExFAT so that I can also see and edit my media on Windows computers.) I just bought a second hard ...
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4answers
27 views

Extract .zip directly to external hard drive

I have a huge .zip which extracted takes up to 100 GB, and storing that amount of data on my MBP's SSD is not an option. Is there a way to extract a zip file directly to an external hard drive, ...
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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 ...
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2answers
34 views

how to see all files on external hard drive

I have 200g of content on my 500g External Hard Drive but according to "get info" 471g of space is being used up, what am I not seeing? (To arrive at 200g I manually added all folder sizes using 'get ...
1
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1answer
23 views

Can files be exchanged between FAT32 and HFS+ partitioned drive?

I just got a LaCie 1TB external hard drive and I have a MacBook Air with OS X 10.8. I often exchange movie and music files with friends that have PCs. If I were to partition my drive to have 250 ...
3
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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 ...
5
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1answer
6k 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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1answer
38 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 ...
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2answers
10k 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
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0answers
55 views

Boot external Windows 8.1 installation on Mac Book Pro Retina 2015 with Yosemite

In the past I’ve been able to run Windows 8.1 on a Mac Book Pro Retina Mid 2012 installed on an external hard drive using WinToUsb. I had OSX Mavericks installed on the internal drive. After turning ...
6
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6answers
20k 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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2answers
62 views

Can't see a specific external hard drive

I was trying to make an NTFS hard drive writable on my macbook. I tried the way mentioned in this link: https://www.maketecheasier.com/write-ntfs-partition-os-x-yosemite/ Now I can make changes on my ...
2
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3answers
6k 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
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1answer
29 views

Can't Boot from Snow Leopard anymore after having installed mavericks on an external HDD

I have a Macbook Pro running Mac OS X 10.6. I wanted to test how mavericks works on my computer so I downloaded the OS and then I installed on a external USB HDD. Everything work as expected. I can ...
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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 ...
0
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1answer
40 views

Importing Photos from Lion to Yosemite Photo Library to External Storage Device

I recently upgraded to Yosemite. Before that, I used to have my library stored on my external hard drive. Now I am panicking because while I was able to move my Yosemite Photo library to my external ...
8
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11answers
101k 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
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1answer
33 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 ...
13
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3answers
26k 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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2answers
55 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 ...
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2answers
2k 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 ...
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0answers
10 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 ...
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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
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2answers
79 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
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1answer
362 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 ...
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0answers
16 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?
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2answers
43 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
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1answer
62 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 ...
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1answer
69 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? ...
0
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1answer
31 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
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0answers
20 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 ...
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2answers
81 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 ...
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0answers
76 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 ...
0
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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 ...
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0answers
35 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
1
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2answers
55 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 ...
2
votes
2answers
265 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
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1answer
85 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
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4answers
313 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 ...
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votes
1answer
67 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
61 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 ...
0
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1answer
52 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
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1answer
213 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
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1answer
190 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
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0answers
187 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 ...