I have an external hard drive which has my i-photo on it & some movies from i-movie that I have on disk now. But for some reason my ehd has a caution symbol on it & I can't move my event to free up space on my hd so that I can export i-movie events. Help!

Usually the caution symbol means that it's formatted as a PC compatible format like NTFS or most likely FAT32. For iMovie to use it the ehd must be formatted Mac OS Extended. Then iMovie will show it without the caution symbol and you can drag/drop open any Event/Project from that hard drive.
To find out if it's formatted as PC:
Go to the desktop, holding down the Control key click on that ehd and in the pop-menu choose 'Get Info'
Under Format: It will say whether or not it's Mac OS Extended (Journaled). The only way to undo a PC formatted ehd would be to copy everything off of it first, Erase/Format the drive using Disk Utility in the Applications>Utilities folder on your Mac, choosing the Mac OS Extended (Journaled) format in the pull-down menu there.

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I have an external hard drive which has my i-photo on it

I have an external hard drive which has my i-photo on it & some movies from i-movie that I have on disk now. But for some reason my ehd has a caution symbol on it & I can't move my event to free up space on my hd so that I can export i-movie events. Help!

Usually the caution symbol means that it's formatted as a PC compatible format like NTFS or most likely FAT32. For iMovie to use it the ehd must be formatted Mac OS Extended. Then iMovie will show it without the caution symbol and you can drag/drop open any Event/Project from that hard drive.
To find out if it's formatted as PC:
Go to the desktop, holding down the Control key click on that ehd and in the pop-menu choose 'Get Info'
Under Format: It will say whether or not it's Mac OS Extended (Journaled). The only way to undo a PC formatted ehd would be to copy everything off of it first, Erase/Format the drive using Disk Utility in the Applications>Utilities folder on your Mac, choosing the Mac OS Extended (Journaled) format in the pull-down menu there.

Whats the best way to transfer everything from my old macbook pro to a new mac mini, i have a external hard drive which i backup to regularly via time capsule

whats the best way to transfer everything from my old macbook pro to a new mac mini, i have a external hard drive which i backup to regularly via time capsule

Check out > OS X Lion: How to use Migration Assistant to transfer files from another Mac

I have an external hard drive set up as a Time Machine backup on my IMac. I want to add a second external hard drive and put my Aperture Photo Library on it. Is there a way to have the photos on this second hard drive automatically back up to the Time Mac

I have an IMac with an external hard drive set up as a Time Machine for automatic backups. I want to add a second external hard drive and load my Aperture Photo Library on to it so that the library can be shared by both me and my wife. Is there a way to automatically backup the photo library that will be on the second hard drive to the Time Machine hard drive?

Open System Preference > Time Machine
Click Options....
Ckick on external disk in list and hit the - button below the list to remove from the Exclusion list
Allan

External hard drive which used to be recognised by my new iMac is no longer being recognised?

I recently bought an iMac. I have an external hard drive which was formatted to my old MacBook Pro. Initially it worked fine on my new iMac, but all of a sudden it is not being recognised by it. Any ideas what I can do?

The drive is probably probably starved for power. As electric motors age, they can demand more power. Get a powered USB hub and I suspect your problems will go away.
If you purchase another hard drive for a desktop Mac in the future, consider one that is self-powered. Much less troublesome.
Some people have reported that, if they reformatted the external drive for Mac (most are formatted for Windows), the existing drive may work without a hub. You can refomat the drive with Disk Utility. Select Macinstosh Extended (Journaled) as the format. This is a great strategy if you do not have to share the drive with a Windows computer.

I have a external Hard drive of 1TB. I want to transfer HD movies to it from my MAC but it can only take 4 gb at a time, now i have to format it which is the best format in this situation NTFS or exFAT, as i use windows part ion as well??

I have a external Hard drive of 1TB. I want to transfer HD movies to it from my MAC but it can only take 4 gb at a time, now i have to format it which is the best format in this situation NTFS or exFAT, as i use windows part ion as well?? plzz help
Merry Christmas

Repartition and format the drive for a Mac:
Drive Preparation
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.

I am trying to get space on an external hard drive which has some old time machine back up files that I do not need but can not eliminate, even by going into the time machine, clicking on the backup file to be eliminated and using the drop down eliminate

I am trying to get space on an external hard drive which has some old time machine back up files that I do not need but can not eliminate, even by going into the time machine, clicking on the backup file to be eliminated and using the drop down menu with the gear box symbol to eliminate

I cannot find this 300GB "Backup" in the Finder, only in the Storage info when I check "About This Mac".
You are probably using Time Machine to backup your MacBook Pro, right? Then the additional 300 GB could be local Time Machine snapshots. Time Machine will write the hourly backups to the free space on your hard disk, if the backup drive is temporarily not connected. You do not see these local backups in the Finder, and MacOS will delete them, when you make a regular backup to Time Machine, or when you need the space for other data.
See Pondini's page for more explanation: What are Local Snapshots? http://pondini.org/TM/FAQ.html
I have restarted my computer, but the information remains the same. How do I reclaim the use of the 300GB? Why is it showing up as "Backups" when it used to indicate "Photos"? Are my photos safe on the external drive?
You have tested the library on the external drive, and so your photos are save there.
The local TimeMachine snapshot probably now contains a backup of the moved library. Try, if connecting your Time Machine drive will reduce the size of your local Time Machine snapshots.

How do i transfer my itunes library onto my new computer, when on the old computer I have all the songs saved onto an external hard drive, which I still wish to use?

At the moment on my old latop I have an external hard drive with all my songs on. I need to attach the hard drive before the songs will play. Any new songs are downloaded onto the external hard drive.
How can I get the same set up on my new laptop?

When I have held the shift key down & clicked on the iTunes library that was shown on the external hard drive, it has loaded most of the older albums, however there are several albums which have not appeared on iTunes on the new laptop, but if you go into explorer and look at the folders/files on the hard drive, they do appear on the external hard drive.
I have also noticed my play lists and genres have not shown as they were on the old laptop.
Is there any way of getting a complete copy of all songs, play lists, etc. so that is does not require to hold files in two difference places, I would prefer if all the files were on the external hard drive, so I do not fill the internal hard drive with songs?

I have an external hard drive that was formatted by a PC and has files and directories etc. I want to format it and use it on my IMAC for backup but I can't seem to write to it nor can I delete current content. How do I initialize it for use with the MAC?

I have an external hard drive that was formatted by a PC and has files and directories copied to it etc. I want to use it on my IMAC for backup. I see it on my my IMAC . I can open files etc. But I can't seem to write to it nor can I delete current content. I don't care if I lose current content. How do I initialize it for use with the MAC?

You can't write to it because it's formatted as NTFS which OS X will read but not write to. If you want to continue using the drive with both a PC and OS X you will need to download and install NTFS-3G so you can then write to it from your Mac. You can get NTFS-3G at:
http://www.macupdate.com/app/mac/24481/ntfs-3g
If you want to use the drive exclusively with your Mac then move the data off it and reformat it in Disk Utility (Applications - Utilities - Disk Utilities) as Mac OS Extended (Journaled.)

My external hard drive which contained all mu music has failed. How do i create a new itunes library with the music on my iphone?

I had all my music on an external hard drive which itunes referred to as the stored location. this drive has now died and I only have the music on my iphone/ipad. How do I recreate my music on another external drive using the music on my iphone/ipad?

Have you failed to maintain a backup copy?
If so, not good, you can transfer itunes purchases from the iphone: File>Devices>Transfer Purchases
You may be able to purchase a third party program to get the rest ( not supported by Apple).

I have a new MAcBook Air and my photos don't fit on the internal hard drive. I want to store my photos on an external hard drive which I will connect to my Air when using Iphoto. How do I set an external hard drive as the default drive?

I have a new MAcBook Air and my photos don't fit on the internal hard drive. I want to store my photos on an external hard drive which I will connect to my Air when using Iphoto. How do I set an external hard drive as the default drive in Iphoto?

Make sure the drive is formatted Mac OS Extended (Journaled)
1. Quit iPhoto
2. Copy the iPhoto Library from your Pictures Folder to the External Disk.
3. Hold down the option (or alt) key while launching iPhoto. From the resulting menu select 'Choose Library' and navigate to the new location. From that point on this will be the default location of your library.
4. Test the library and when you're sure all is well, trash the one on your internal HD to free up space.
Regards
TD

HT201250 I have two external hard drives. One is my Time Machine backup drive. The other I use for external storage of files (documents, photos, movies, etc). Can I set Time Machine to backup BOTH my Mac hard drive and my other external hard drive?

I have two external hard drives. One is my Time Machine backup drive. The other I use for external storage of files (documents, photos, movies, etc). Can I set Time Machine to backup BOTH my Mac hard drive and my other external hard drive?

Yes you can make multiple backups on one hard drive, for example if you’ve 1TB hard drive installed in your PC and you’ve two Mac Machines with 500GB drive each then you just make two backup images with size of 500GB each.
http://www.halfspot.com/use-your-pc-hard-drive-for-time-machine-backup/

I have an external hard drive 1 TB - it says that 559GB has been used , but I can't see any files at all. Is there a way to recover those files. I have a lot of photos on it. I have an IMac and running MAC OSX versuib 10.7.5 I am new to Mac.

I have an external hard drive 1 TB - it says that 559GB has been used , but I can't see any files at all.
Is there a way to recover those files. I have a lot of photos on it. I have an IMac and running MAC OSX versuib 10.7.5 I am new to Mac, so I hope somebody can give me some advice.
Cheers

if it's ntfs microsofts filesystem then you need a windows machine to recover them

New MacBook pro how do I add external hard drive which has my entire iTunes library on it. Do I just drag external drive icon into iTunes preference box that shows where new itunes library is now located ie. On the MacBook pro.

how do I add external hard drive which contains my entire iTunes library to new MacBook Pro. i want to keep iTunes library on external hard drive. But I want all my iTunes information: artist, songs, albums, playlists on my new MacBook Pro. I know about going to iTunes preferences- advanced-itunes media folder location. At this point I don't know what to do Do I drag external icon into iTunes media folder location box. I want to keep music files on external hard drive. I don't want to use macbook pro memory for my very large music files.

I will request that your query be relocated to the iPhoto forum where knowledgeable iPhoto users will be able to assist you.
Ciao.

Do I need to have an external hard drive that has a certain spindle speed, like 7200?

In the past, when I did audio or video editing, the specs on the software required a certain rotational speed if I were using an external hard drive. Most of the time it was 7200. Do I need to use a specific spindle rotational speed for Final Cut Pro, or will drive 5400 or above do fine?

That still applies today as well. Helps to also use faster connection ports like Firewire 400 or 800, USB 3.0, or Thunderbolt rather than USB 2.0.

I have an external hard drive which has my i-photo on it & some movies from i-movie that I have on disk now. But for some reason my ehd has a caution symbol on it & I can't move my event to free up space on my hd so that I can export i-movie events. Help!

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