External hard drive from older OSX not seen on new machine

My new mac doesn't see the external hard drive when plugged in. The hard drive was formated with an earlier version of OSX. The older machine died, (and I took it apart ) - I hadn't been able to burn CDs of my images in time.
Is this some sort of compatibility issue? Any suggestions on what to do will be greatly appreciated! Thanks!

Welcome to Apple Discussions!
It sounds possible to me that the drive is inside a hard drive case that needs an updated firmware to be able to mount on a newer operating system. This started to be a problem with 10.3. Here's my FAQ regarding the issue:
http://www.macmaps.com/firewirebug2.html

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Trying to move my iTunes Music and other media from the main drive on my pc to an external hard drive but iTunes is not recognizing the new file location? Ideas?

Trying to move my iTunes Music and other media from the main drive on my pc to an external hard drive but iTunes is not recognizing the new file location? Ideas?

Hello there, Underwriter.
The following Knowledge Base article provides in-depth instructions on how to migrate your content to an external drive:
iTunes: How to move your music to a new computer
http://support.apple.com/kb/ht4527
Particularly of note for your situation:
External drive
This option requires more work than Home Sharing, but it creates a backup of your iTunes library on the external drive in addition to moving your content.
Notes before you start:
You can use most iPods as an external drive.
Windows operating systems don't recognize Mac OS-formatted disks (HFS or HFS Plus formats). Because of this, you can't use a Mac-formatted iPod or external drive to move your music to a Windows PC. See iPod: How to determine iPod's hard disk format if you're not sure how your iPod is formatted.
Mac OS X can read Windows-formatted iPods and drives. This means there are many ways to migrate your information from your old Windows-based PC to your new Mac.
Mac OS X: To be sure external drives appear on your desktop, choose Preferences from the Finder menu. Be sure the options for "External disks" and "Hard disks" are enabled.
Part 1: Locating and consolidating the iTunes Media folder
Part 2: Copy iTunes folder from the old computer:
Part 3: Get iTunes ready on your new computer
Part 4: Back up any music that's already on your new computer
Part 5: Copy music to your new computer
Part 6: Add preexisting music that was on the new computer back into the library
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

How do i delete or rename files on my external hard drive from mac OSX 10.8.3

hi
i am trying to delete some files off of my external hard drive and rename some stuff but my mac dose not let me
i have been on all the macbook pro forums and none of the explained makes any sence to me .... has any one got an idea of what i do to simply rename and delete folder through this computer
cheers A

Click on it, choose Get Info from the File menu, and check the format.
If it's formatted as NTFS, reformat it as MS-DOS, exFAT, or Mac OS Extended (Journaled) as desired.
If it's formatted as FAT32 or exFAT, use the Disk Utility's Repair Disk command on it.
If it's formatted as Mac OS Extended, click Authenticate and provide your administrator password, or change the permissions on that specific folder in its Get Info window.
(80860)

HT1751 How can I copy only music to an external hard drive from Itunes and not video?

I only have 32 GB worth of space and 54 GB worth of itunes. I only want to transfer the music on to a drive for back-up. Please help!

Drag and drop the music from your Itunes to your desktop - to the external hard drive.
- Works for me, Works for you.

How to restore machine using a TM backup on a usb hard drive from older imac to a brand new iMac?

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http://pondini.org/OSX/MigrateLion.html
Your migrated data will be in a new account, to access it log into the new account.
Also DO NOT repeat DO NOTuse Wi-Fi to migrate data, if your TM backup drive uses USB, then connect it via USB and follow the on-screen instructions as described in Pondini's guide.

I'm having some difficulty with Time Machine. It appears to be deleting backups from random dates on my external hard drive. I am not deleting them. Are they hidden and how do I prevent this from happening? Can I retrieve them?

I'm having some difficulty with Time Machine. It appears to be deleting backups from random dates on my external hard drive. I am not deleting them. Are they hidden and how do I prevent this from happening? Can I retrieve them?

... I didn't know that Time Machine was more a last resort back up instead of main back up.
Don't rely upon Time Machine to the exclusion of all else. I compliment Time Machine with a periodic "clone". TM is much better than nothing, but it's a safety net, not a hammock
Here is my understanding of Time Machine's file deletion algorithm, distilled from Pondini's FAQ, Apple's KB articles, and my own observations.
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Daily backups over 30 days old, except the first backup of the week
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at least thirty days, if they existed on your Mac for at least a day
until you run out of space, if they existed on your Mac for at least a week
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If you are using 250 GB of space on your source disk, its Time Machine backups are likely to require at least twice that much. A good estimate of the minimum required backup volume size would be about three times the size of your source disk - 1.5 TB in your case.
A more thorough explanation would require Pondini since he has plumbed Time Machine's mysteries far more than I have.
http://support.apple.com/kb/HT1427

I can not save any data to external hard drive from my mac pro. Is there anyone can help me in this regard?( note, when i first plug my ext. drive to mac i chose option to backup later)

I can not save any data to external hard drive from my mac pro. Is there anyone can help me in this regard?( note, when i first plug my ext. drive to mac i chose option to backup later)

The device may be formatted for Windows, as NTFS. The format is readable, but not natively writable on a Mac. To write to the device, you must either reformat it (erasing all the contents) or install third-party software to enable write access to NTFS.

HT3275 Time machine at home and it will not allow me to remove the listing of my external hard drive from the excluded files list.

Please help guys, I have a Time machine at home and it will not allow me to remove the listing of my external hard drive from the excluded files list.
I am trying to use time machine to back up the hard drive. For backing up from Macbooik pro and Imac, there is no problem. It seems to not want to allow the external drive to be removed from the Excluded list and as such will not back up from it.
Is there a way to be able to transfer files (music, movies etc) to time machine, format the external drive then put the files back to hard drive?
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The <Macbook and Imac are both running mountain lion.
Thanks Guys

As for the hard drive to which you have never been able to write, is it by any chance in NTFS format? OS X can read NTFS for importing files, but it does not contain code for writing on an NTFS volume. That's a choice, not a bug.
There is third-party software available to install NTFS-writing capability into OS X. An example is Paragon NTFS for Mac OS X. Another alternative would be to use a disk format that both Macs and Windows systems can use for both reading and writing; this would require either a new drive or erase the existing data.
If by "the new system software" you mean OS X 10.9 Mavericks, you may want to repost that portion of your query in the Mavericks forum at https://discussions.apple.com/community/mac_os/os_x_mavericks . I haven't made the leap yet.
I don't know what other problems you have been having, so I cannot comment on them. You don't seem to have any other recent postings on these forums.

I have an external hard drive, from Iomega. However, I cannot copy or save any file to it. On my PC it says that is possible to read and write in it, but in my Mac, it says I can only read. can somebody help me?

I have an external hard drive, from Iomega. that I can open and see my files. However, I cannot copy or save any file to it. On my PC I have it says that is possible to read and write in it, but in my Mac, it says I can only read. can somebody help me?
Also, Im a photographer, so I like to name a lot of files at the same time (used to do in on PC and it was very usefull.) cannot find out how to do it on my Mac. Really appretiate if some one can give me a solution! Thanx

Your drive is formatted with the NTFS file system. OS X can read but not write to the NTFS file system. There are third party drivers available that claim to add the ability to OS X to write to an NTFS partition. I have not tried them and don't know if they work.
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I have an external hard drive from my time capsule that stopped working on me. I am attempting to access the data with a hard drive reader on my MAC. I am able to see the drive in disk utility and under system info USB. But I am unable to access the data.

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http://pondini.org/TM/17.html
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I did the same and was able to see it in Utilities, but not mount it. I read this article and followed the steps and it fixed the problem http://osxdaily.com/2013/05/13/mount-unmount-drives-from-the-command-line-in-mac -os-x/
Utilities - Terminal
Type: diskutil list to find your drive (mine is disk2s2)
Unmount the drive: diskutil unmount /dev/disk2s2
Mount the drive: diskutil mount /dev/disk2s2
The drive immediately appeared on my desktop allowing full access with no damaged files or corrupt disk.

How can I make a backup to an external hard drive from iPhoto if it won't open?

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you could also clone the drive or volume, or just some of the user folders. look for carbon copy cloner, then enable the "use checksum to insure file integrity."
you can have multiple iPhoto Library catalogues in different locations.
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External Hard Drive says there is not enough space even though it is empty!

Hi,
I have just backed up all my data with Chronosync. I then selected all and put it in my trash, so my external hard drive would have enough space for a backup. But when I try to use Time Machine it says that the external hard drive still has all the data even when I put it in the trash. I do not want to empty the trash before I backup using Time Machine, just in case something happens. How do I get my external hard drive to show it is empty to Time Machine, so I can use it?
Thanks
Tim

moving stuff to trash doesn't remove it from a drive. It puts it in a hidden .Trash folder on that drive. you have to empty trash to reclaim space. even easier would be to reformat the drive if you have a lot of stuff to erase.

I bought an external hard drive from apple puter (I thought) should I be able to see my pictures in the time capsule? I never set up the time capsule I just plugged it in and it seemed ready to go. But can't see the pictures

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Ok if disk utility was able to verify the drive I doubt there is any problem.. are you trying to open a TM backup??
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http://pondini.org/TM/17.html
But if you have copied info to the TC that is now gone.. and the disk is ok.. I am not sure.. the TC will not have deleted the files itself.

External hard drive from older OSX not seen on new machine

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