Starting from external hard drive

Ok so I have installed the operating system on my external hard drive. Then when I turn on my computer and hold alt(option) the external hard drive icon comes up and then I select it and then my computer freezes. Does anyone know why this could be happening?

Please

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Install data from external hard drive?

Hi, we have our old macbook data saved on external hard drive (old laptop had water damage but able to retrieve data). I now have new macbook, how do I install data from external hard drive to new macbook? Is it super easy? I didn't want to set up new laptop until I could understand how to install all our old data. Thanks

Do you have the appropriate cable to connect the external drive to to new Macbook?
If you do, the rest is easy. Connect the drive and start up the new Mac. The first steps in the setup will be to enter information about yourself, etc. etc. As you proceed you will be asked if you want to bring in data from another place. Just follow the directions, and the Mac Setup Assistant will do everything for you.
The critical part is making sure the external is corectly connected to the new computer.

LR won't show images from external hard drive now.

I have LR 5. I updated in March from LR3. I just purchased a second external hard drive to start using for my images after filling up my first. I just tried to go back to external hard drive #1 to look at images from last month, and I can't pull them in to lightroom for some reason. When using external hard drive #1 after updating to lr5, I always had to go to Edit >Open Recent to open a previous catalog to access my images. I think this has something to do with it, because there aren't any other catalog options in LR5 when I switch from external hard drive #2 back to external hard drive #1. I need those images pronto to finish projects!!! Please help and thank you!

This is relevant portion of the support document with a bit of editing for clarity.
If iTunes is running, quit iTunes.
Using a Mac click the icon to open iTunes and immediately press and continue to hold down the Option key.
You should see the following screen:
If iTunes opens normally, close it and try again.
Once you've got that dialog you have two options. If your previous iTunes library database is stored on the external drive use Choose Library to browse to it and open it. If you only have the media folder on the drive then use the Create Library option to create a new iTunes library at /iTunes on the external, move the media folder to /iTunes/iTunes Media and then add it to your new empty library.
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Booting from external hard drive on intel-based MacBook Pro

Good day everyone. I know similar questions were raised in this community, but I still have some questions.
I have MacBook Pro(late 2011) with OS X 10.7.5 and external hard drive with Ubuntu 13.04, from wich i can boot succefully on my PC. But MacBook Pro will not boot from my external drive, no matter which key/combination i use during restart.
After googling I found some answers to my initial question, how to boot from external hard drive
https://discussions.apple.com/thread/1852633?start=0&tstart=0
http://www.everymac.com/systems/apple/macbook_pro/faq/macbook-pro-boot-from-exte rnal-firewire-or-usb-drive.html
http://support.apple.com/kb/ht1948
As I understand I need to format my external hard drive into GUID partition type and this will be enough to be able to boot from it on my mac?
With this new partition type, will I be able to install ubuntu again on my external drive?
Does GUID partition type supports NTFS, ext4 and FAT32, linux swap?(I use ntfs for big files, ext4 as partition for ubuntu and fat32, because i use windows, linux and osx)
Will I be able to boot from my pc from my external drive with this new partition type?
What are downsides, if any, to GPT?
here is info on my e-drive

LowLuster wrote:
The only OS that will boot from an external drive is Mac OS X or maybe Linux. For OS X to be installed on any drive it need to be formatted Mac OS Extended and have GUID partition table.
As for Linux I'm not that familiar with it but again for a Mac to boot it need an EFI partition on the drive and I don't think that is possible with NTFS or FAT32 let alone the native Linux format.
Went to wiki to learn more on efi but found artice on uefi.
Operating system loaders are a class of the UEFI applications. As such, they are stored as files on a file system that can be accessed by the firmware, called EFI System partition (ESP). Supported file systems include FAT32, FAT16 and FAT12, and supported partition table scheme is GPT only. UEFI does not rely on a boot sector, although ESP provides space for it as part of the backwards compatibility.[26]
Here is FAQ on official uefi website.
Can UEFI Secure Boot be adopted and implemented by a variety of operating systems?
UEFI specifications are platform-independent, supporting multiple platforms and architectures. In addition, UEFI specifications are designed to promote cross-functionality, as well as to support broad adoption across multiple operating systems, including Windows as well as Linux-based operating systems. The specifications are robust and can potentially complement—or even advance—other distributions, such as Linux-based distributions.
And here is wiki article on GPT expaining OS support.
It is obvious both uefi and GPT are ok with Linux and file systems such as FAT32, ext4 and NTFS.
I guess there is no much difference(or is that the same thing?) between uefi and efi used in Macs.
In your answer to Stark Industries you said that mac can boot linux from external hard drive, well this is not the info i got of official website and it is still my question, because your answer is very inconclusive and your info is partially incorrect

How can I move my project from external hard drive to my macbook pro?

How can I move my project from external hard drive to my macbook pro? every time I try to do some editing, the sequence is very slow, thanks in advance

Try here...
Setting-up a new Mac from an old one, its backups, or a PC

Restoring itunes from external hard drive

-I used WD backup program to store itunes on external hard drive
-hard drive on mac pro crashed, replaced hard drive
-trying to restore itunes songsa from external drive and when I copied songs from external hard drive to new internal hard drive which has itunes program, only song titles appear and track number for songs I ripped from CDs. All info is present for songs I purchased from itunes (why is there a difference in the way these two are restored???)
-Can I restore itunes from external drive so that artist and album are associated with each song title I ripped from CDs?
Much appreciate all assistance. Thanks.

I know MP3 and AAC save tag data, and I believe AIFF does as well (if you want to keep them in full-quality but space-greedy format). I don't think WAV supports tagging which is why they were lost. Read:
http://discussions.apple.com/thread.jspa?messageID=9558241&#9558241
This time make sure you have a complete backup of your itunes folder (which, in fact you may still have). That way you can recover your complete library and everything intact (as long as you keep your backups up to date).
Here is a related topic
http://discussions.apple.com/thread.jspa?messageID=9267109&#9267109

Importing photos from external hard drive.

I had stored my photos on a external hard drive from power book G4(which had iphoto4.0.3).
I recently purchased IMac G5. I cannot import my photos into G5(has iphoto5.4) from external hard drive. I get a message saying you have installed a new version of iphoto.
How can I get my photos back on the new machine?
Thank you in advance.

Shyman
Had another idea. Since you were not upgrading a computer to iPhoto 5 - which would upgrade your existing iPhoto Library Folder (database) and since you, I presume, already have a working iPhoto 5 Library Folder -- perhaps we have to trick iPhoto into doing the upgrade.
Quit iPhoto5. Move to the desktop or rename the existing iPhoto 5 Library Folder.
But also move or delete the existing iPhoto 5 preferences file:
You will find it in your Home directory:
(Home/your account) >Library>Preferences>com.apple.iPhoto.plist
Remove or trash the preference (.plist file) and restart iPhoto.
This will get iPhoto 5 to launch like it was the very first time. With only the backup in your Pictures Folder it will try to open with it and do the upgrade.
Peter

Importing iphoto from external hard drive

I was wondering if importing 4 gigs of photos takes longer than 30 minutes to import from external hard drive. The iphoto status after importing still shows "working" as the bar graph "charges" continuously. Does this mean it is still importing? Should it show any other info such as the number and title of photos being imported? Should I stop it after awhile and try a new method of importing? Help.

maxus2:
What method are you using, the copy files or use aliases? I imported 14,000+ files from my second HD and it took between one and two hours, I don't remember exactly as I was doing it 10-12 folders at a time. I was using the alias method thus giving me an 8G library folder on my boot drive for about 25.5G (14,100) of image files. See my reply in this thread, http://discussions.apple.com/thread.jspa?threadID=327144&tstart=0, more some more thoughts on the alias method.

Transfering Music from external hard drive

Thought I copied music files from external hard drive to new computer sucessfully, but when I try to play music on computer I get an error message telling me that the original file can't be found and do I want to locate it. Looks like everything is there, artwork, playlists, but can't play. Help. Thanks!!!

Hi,
These Links may be just what you are Looking for...
iTunes on External Drive
http://support.apple.com/kb/HT1751
Moving your iTunes Media Folder
http://support.apple.com/kb/HT1364
Cheers,

Copy Data from external hard drive to tc via usb

how do iCopy Data from external hard drive to tc via usb

you can't - unless you're willing to void your warranty by removing the TC's HD from the device, put it in an external enclosure, and connect that to your computer.

Recovering data from external hard drive

I backed up music,pictures and personal documents
It said backup was successful, I they to retrieve some documents and none of the those files were in that restored folder

Very similar with your experience
Last time when I was in Rio, I took part in the famous Carnival there with my boyfriend and we took a lot of interesting photos there. About one week ago, one of my friends asked me to show her the photos. However, it turned out to be inaccessible and the PC can not read the data on the drive. And the PC suggested me to format the external hard drive for reusing it again.
people often lose their data from External hard drive, a handy external hard drive data recovery software will be highly recommended to you, ---- EaseUS Data Recovery Wizard
Launch EaseUS Data Recovery Wizard, Then click next button
Select the disk where you lost your data and click Scan button, the software will quickly scan the selected disk to find your target files.
Watch the video below, step by step, you can recover your data.
https://youtu.be/ZA4XzL1mD1s

Hard drive replaced on imac how to restore data from external hard drive

Hard drive crashed, replaced by authorized dealer. Need to transfer all data from external hard drive to repaired computer.

http://web.me.com/pondini/Time_Machine/14.html
See especially C.

Recover data from external hard drive that was Windows format and connected on a Macbook Pro. Did I lose everything? What happened?

Hi there this is my first question here!
I connected my external hard drive originally formatted on PC on my new Macbook. The first time I connected it I could see all my files but today I connected it and after I couldn't see any file nor even on my pc appears as NO NAME with a different name and nothing on it. I think was reformatted, any help to recover all my data?
It's really important stuff for me

If the Apple Store couldn't get files off of the drive, it is unlikely that you will be able to. If you have backups, those would be the best way to go. You could also try booting up the computer and holding down T to boot into Target Disk Mode. Plug the broken computer into another one with FireWire and see if it works to recover data from external hard drive. If you can see it, try booting up the broken computer while holding down Option. Choose Recovery HD from the menu, then choose to Reinstall OS X.
It is unlikely that this will work, because I'm pretty sure that the Apple Store would have tried this. You could try using expensive software to get files off the drive, but it would be risky and the results might not be any good.
https://discussions.apple.com/docs/DOC-4273

How to full restore from external hard drive backup

I'm a new MAC user and got myself in a mess where i need to perform full backup restore from external hard drive. Last back via time machine to external drive was 2 days ago, so the data is there.
What are the MAC boot commands to get me to system restore options. And there any useful tips you can pass on.

http://www.macworld.com/article/1165784/how_to_restore_data_from_time_machine.ht ml

HT1751 My win8 pc hard drive failed. After the hard drive was replaced, I copied iTunes Media backupfiles from external hard drive (Karen's Replicator was used). ITunes does not recognize the back up files - help! (it does show cloud & recently burned m

My win8 pc hard drive failed. After the hard drive was replaced, I copied iTunes Media backupfiles from external hard drive (Karen's Replicator backup software was used). ITunes does not recognize these back up files even though the location is the same as cloud & recently burned music that does show- help! The backup files consist of 34,000+ songs; almost all burned from my own CD collection. I do have most of the songs on an ipod classic but hesitate to try to restore from that. Can someone tell me how to get these 34,000 songs to show up in iTunes? Thanks!!

This diagram shows how a typical iTunes library ought to be set out (click on it to enlarge)
The red outline highlights the media folder and its contents, the various subfolders are only created if that kind of content is in your library. The right-hand side shows the files that should be found in the iTunes library folder; sentinel is normally hidden so may not be visible. The core of your iTunes library is the file iTunes Library.itl, you need to restore this, the other library files and the Album Artwork folder, as well as the media folder, to restore your library.
tt2

Starting from external hard drive

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