Cannot access my sea gate external hard drive that i have pictures and files on

Finally starting using my imac that I purchased back in summer 2010 about 6 months ago. Plugged in my sea gate external desk top hard drive and cannot figure out were it is or how to access it. Found it under utilities and disk utilities, but cannot open its content. I am new to mac and this was used on a PC before. I cannot erase it, I have all my kids photos on it from birth. Any suggestions.

When you open the finder do you see it in the Sidebar, if not then try this, make sure you are in the finder then click the finder menu then select preferences then click on the sidebar tab, make sure the external disk is checkbox is checked. Also you can click on the general tab and make sure your had the external disks checkbox checked as well. If you are still unable to read the drive if could be the format the drive is formatted as. You can try downloading Paragon NTFS for Mac this program is designed to enable the Mac to write to NTFS, most Mac can read a NTFS formatted drive.

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Hi,
Check Finder>Preferences>Sidebar, is it checked there to show external drives?

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Okay, I've sussed it. I saw a link to another discussion that hadn't turned up in any of my searches before I posted the question above.
My Tosh HDD was formatted to FAT 32 and therefore would not be backed up by Time Machine. I removed all data from it - nightmare as I hadn't enough space to put it on the macbook HDD, but, after trawling through numerous photos and deleting rubbish for hours, I finally made enough space and copied all data across. Then, after clearing the data from the Tosh HDD, I used disk utilitity to reformat it to Mackintosh OS Extended. Chose the option without kournalling because I'm not baking up onto this disk and so don't need it - according to some other discussions I found.
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How do I back up my entire iphoto library to an external hard drive that I have dedicated for photos only? Can I simply drag the iphoto library onto my seagate (hard drive) icon?

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WHile you can do it that way, the next time you back up you'll end up copying the entire library again, and,as you'l see, once a library gets bigger that can take a considerable amount of time.
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OK… firstly try the USB port on the other side and see if it makes any difference. Otherwise, do you have any better luck using the drive when it's connected through an AC powered USB hub.
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For instructions on how to do things in Windows, search http://search.microsoft.com/search.aspx?mkt=en-US&setlang=en-US
I don't know the exact search words you should use... maybe something like
removeable drive letter
or
set drive letter
or
set usb drive letter
Set it to a letter that you are sure is otherwise NOT used... ie, something other than a camera and/or memory stick you connect via USB

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Please try to sign in at https://appleid.apple.com
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If this works, delete your account on your iPhone (Settings > iCloud)
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If you downloaded the installer it will be in your applications folder. Failing that use spotlight start typing Install and it should show up.
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OS X: Installing OS X on an external volume - Apple Support
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Hi there this is my first question here!
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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

I have an external hard drive that is both Mac and Windows compatible and can no longer delete any files. I recently reformatted my Mac, does this have anything to do with it?

I've clicked on the 'get info' tab, but it says read only for all files.

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
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HT4718 I have an external hard drive that I used as Time Machine Backup. I have not used it for a while and now, when I plug it in computer says: This disc is not readable. I want to recover the backups and not erase and reformat the disc. Thank you in

I have an external hard drive that I have used as Time Machine backup, but not for a while. Now when I plug it in, computer says this disc is not readable.
I want to keep the backups on it and not erase and start over.
Thank you in advance.
Gregor

It sounds like something went wrong with the drive. Did you drop it? How long has it been sitting around unused?

Accessing iphoto on my external hard drive

I just backed up my computer to a WD My Book for Mac. I am trying to verify specifcally that all of my iPhoto library has been successfully backed up before deleting anything but when i try and open it, its says I can't because it's in time machine. When I open time machine and try to access iPhoto, it won't let me open it either. My computers HD is almost full so I must remove photos from my computer. I am a photographer and occasionally need to access old clients photo sessions. Please let me know how I am able to access the photos on my external HD. Any help is appreciated! Thanks!

See my answer in your other thread:
Re: accessing iPhoto on an external hard drive
It would be easier to relocate the complete iPhoto library to an external drive with a fast connection - Thunderbolt or USB3, and then work with iPhoto from that drive. Simply drag the library to that drive. This way you do not need to split up your iPhoto library and keep partial libraries in a different location. This can get messy, if you have duplicates in the partial libraries. And it is more difficult to search for photos, if you have several libraries, because you only can have one open at a time.
Any drive you are using with iPhoto needs to be formatted MacOS Extended (Journaled), see: Format external drives to Mac OS Extended before using with Aperture (this document applies to iPhoto as well)
The problem is - you want to do two in one; archive older photos and backup your library, using a backup.
You have to separate these two tasks and use separate drives for the backup and the archive, because a backup cannot double as an archive. The easiest way to achieve this would be to move the complete iPhoto library to an external drive and back this drive up to your regular backup drive.

On imac 10.6.8 using current version of Aperture. How can I access the Aperture Library on my external hard drive that I use with time machine for backup? I can only access the application but not the library..

On imac 10.6.8 using current version of Aperture. How can I access the Aperture Library on my external hard drive that I use with time machine for backup? I can only access the application but not the library..

Go into Time Machine (the program not the bundle on the extrnal disk) and using Time Machine's browser go to the Folder where the library lives. You could look in the library bundle in Time Machine but that won't really tell you much,
If you want to make sure it truely has backed up your library you will need to restore it and open the restored library with Aperture.
If all this still has you confused you need to read up on Time Machine in order to get a feel for how it works, for what it is doing and for how to restore files from it.

Cannot access my sea gate external hard drive that i have pictures and files on

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