Time Machine Won't Recognize External Hard Drive

Hi there,
My father has a 2009 iMac running Mac OS X 10.8.3. Recently, Time Machine stopped recognizing his external Maxtor OneTouch backup hard drive.
I've tried the whole litany of ideas and tips listed in this forum and other websites:
Rebooting both the desktop and the external hard drive
Changing USB ports
Checking Disk Utility (won't even display)
Can you offer any solutions? He hasn't had an issue before, so it seems to be an isolated incident. This desktop is for his business, so it's very important for the files to be backed up.
Thanks.
Update: After submitting this, I received a dialogue box that said the computer cannot read the external hard drive.

If the drive has more than one interface (USB, FireWire, Thunderbolt, eSATA), try one of the other interfaces.
Check that the data cable is securely inserted at both ends.
Try a different cable.
If you're connecting the drive through a hub, connect it directly to a built-in port on the Mac.
If you're connecting it directly, try a different port.
Disconnect all other devices on the bus, or as many as possible.
Test the drive with another Mac. Test another drive with this Mac.
If the drive is bus-powered, but has an AC adapter, connect the adapter.
Boot into Recovery and launch Disk Utility. Is the drive recognized?
Start up in Safe Mode and test.
Reset the System Management Controller
If the drive doesn't work under any of the above conditions, and if another drive does work with the same Mac, then the drive has failed. You may be able to salvage the mechanism by removing it from the enclosure and installing it in another one, or in a drive dock.

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Time machine doesn't recognize external hard drive

Recently I went to the apple store to get help to switch from Mavericks to Mountain Lion (I had some problems with Mavericks). They used time machine to bring back my applications (from my external hard drive, LaCie) on the Mountain Liion software. They said my time machine/external hard drive should work the same when I got home. Now, when I go to back up my computer, time machine doesn't recognize that I've backed up my files before. In the past, when time machine was working, every time I plugged in my hard drive the icon for it would turn blue, time machine recognized it, and it would back up my files. Now, the icon for the hard drive shows up, but time machine doesn't recognize it.
Some other things:
- when I open my external hard drive on finder, it shows all of my previous back ups
- I used disk utility to check my hard drive and macintosh HD - both are OK
How can I use time machine to continue backing up files? Or am I going to have to partition or erase the hard drive and start a new back up?
Thank you in advance

nevermind! time machine suddenly recognized the disk after half an hour. sorry, I don't know how to delete this post!

Time Capsule won't recognize External Hard Drive?

Ok so I have a 1 TB Time Capsule that I previously had a 1 TB G-Drive attached to store excess data, movies, ect. I needed more space so I purchesed a 6TB G-Drive, connected it to my Mac Book Pro and coppied all the information to it from my other two 1TB external hard drives. Then I connected it to my Time Capsule. However here is the the problem I can't locate the hard drive throught the Time Capsule. If I connect it directly to my Mac Book Pro I it works just fine but no such luck finding it when it is connected to my Time Capsule? While connected to my Mac Book Pro I checked Disk Utility and it is formated with OS Extended but not (Journaled). Does that matter and if so how can I format it without dumping the info on it as it took 10 hours to load it the first time. Please help.

Apple recommends that the drive should be formatted in Mac OS Exended (Journaled) when it is connected to the USB port on the Time Capsule, or AirPort Extreme, so that might be an issue here.
Another issue might be that the USB port on the Time Capsule is borderline as far as its ability to supply adequate power for a hard drive....even if the hard drive has its own separate power supply.
See if you can locate the drive as follows:
Click anywhere on the open Desktop to display the Finder menus at the top of the screen
Click the Go menu, then click Network
If the Time Capsule icon appears, double click on it and a folder representing your hard drive will appear if the format is being read
(You may need to click Connect As the first time that you do this and enter the Time Capsule device password)
Double click the folder representing the hard drive and it will mount on the desktop
If the folder for the hard drive does not appear, then the formatting issue or power issue may be at work here. Try a powered USB hub to see if that will allow the drive to be displayed in the Finder.
If still no luck, the only other thing that I can think of is that you will need to re-format the drive as Mac OS Extended (Journaled). That means moving all the data on the drive to another storage area, formatting the drive using Disk Utility and then transferring the data back on to the drive.
Unfortunately, there are no guarantees that this will work either, but I know of nothing else to try.
Maybe another user has another idea.

Slow iMac and Time machine won't recognize iMac hard drive

I have an older iMac (2.16GHz Intel) that is upgraded to OSX10.6.7. Recently it has been running very slow (although it did not seem to correlate with any particular install that I know of). I have looked at the Activity Monitor and cannot find anything that is consuming vast amounts of memory (although I can't say that I really know what I'm looking for exactly, just no high numbers). I did a Safe Boot and it is still really slow there (EXAMPLE of slow is taking several minutes to open a program or taking 27 hours to download my pictures (which only took 13 minutes on my MacBook)). I know my iMac could use more memory (1G), but the slow problem is there even if only running one program. I can't find a particular pattern to it, it just hangs up and then comes back most of the time. It did however start shutting itself down recently. I finally got into disk utility (I've been trying to run disk utility and it usually goes into an eternal spin that I can't even force quit - have to hard boot). So from disk utility I ran verify disk in first aid - it says "the volume Macintosh HD appears to be ok." I"m not sure what else I'm supposed to do in here either. So my first question is Does anyone have any other suggestions for the slowness? Second, in the meantime I'm desperately trying to back up my data on the time machine that I stupidly have never set up as a back up. I can manually put files one at a time over there, but if I try to use it as a time capsule (system preferences, time capsule on) my hard drive does not show up as one of the options???? My external drive and the data that is already on the time capsule show up, but not my iMac hard drive. So my second question is How do I get my time machine to see my hard drive or is there another way to get my files to move over there? I realize I'm in trouble, any help would be greatly appreciated. I've tried to provide as much info as possible. Maybe there is something obvious I'm missing.

My own response, or rather an update: I took the computer up to the Genius Bar - my hard drive is bad. They are going to try to rescue my data. For those of you reading this with a similar problem, make an appointment and go to the Apple Store if you can. Mike, my personal "genius" for this encounter, said that stressing the machine when the hard drive is going bad just risks damaging it more. If you potentially have a hardware issue, take it and let them determine what is wrong. They have tools and diagnostics most of us wouldn't know how to use if we read about them here - and they have ways of retrieving data (I hope) that most of us do not have. Please note that disk utility said my hard drive was ok, but the diagnostics they did showed that in fact my hard drive was much less than ok, but it was still "mounting" hence the disk utility reporting it was ok. It is over an hour drive for me to get to the Apple store, and I only wish I had gone sooner.

I got a macbook pro 2008 and can not back up using time machine. it eject my external hard drive everytime. does someone has a fix???

i got a macbook pro 2008 and can not back up using time machine. it eject my external hard drive everytime. does anybody has a fix???

Does your external hard drive have it's own power supply? It should.
Is your external hard drive formatted with the NTFS file system? It won't work.
It needs to be formatted either with Mac OS Extended or FAT32.
(There are drivers available to add NTFS support to OS X but their quality is unknown, especially the "free" ones.)

Will Time Machine Back up an External Hard Drive Attached to my Mac Pro?

Apple TV is GREAT, but it quickly filled up my hard drive. My thought is to take my folder that contains all of my personal files and put it on an 1TB external hard drive. I'd then "point" iTunes to where this new folder is. First, is that the right approach? Will that mess anything else up? Second, can I have Time Machine then back this external hard drive up? So, I'd like to have Time Machine back up my Mac HD and the external HD. If Time Machine won't do this, is there a good back up program for Macs that is very turnkey?
Thanks in advance!!!

GregT wrote:
Apple TV is GREAT, but it quickly filled up my hard drive. My thought is to take my folder that contains all of my personal files and put it on an 1TB external hard drive. I'd then "point" iTunes to where this new folder is. First, is that the right approach? Will that mess anything else up? Second, can I have Time Machine then back this external hard drive up?
If the drive is formatted +Mac OS Extended,+ yes. While it's connected, go to TM Preferences > Options. If it's listed in the exclusion box, just select it and click the minus sign at the bottom.
If it's listed in gray, however, it's either formatted wrong or corrupted, and you can't remove the exclusion.

Hallo ,why is it that when I delete a photo ,which is backed up by time machine and western digital external hard drive , that I am able to restore the photo okay but not the titles and descriptions . I have a Macbook 4.1, mac osx 10.5.8 . Iphoto 7.1.5 ,

QUESTION.
Hallo , my question is ;whenever I delete a photo and restore it through Time machine and Western digital external hard drive , I am able to restore the photo but not the titles and descriptions . Western Digital inform me that it isn't their external hard drive problem and suggest that it is an Apple software problem ?
I am using a Macbook 4.1 , with Mac OSX 10.5.8 . I photo 7.1.5 , last modifie4d 01/05/2010 -universal . Should I be upgrading Iphoto ?
I hope that someone is able to help in this matter , as i have to restore 12000 photos !
Thanking you in anticipation.
Alan from Wigton

Hallo Kieth ,
I am not quite ready to restore the full iphoto library , as I have days of work re - imputting titles,descriptions and enhancement . I hope that your suggestion works , as I use my Macbook basically to work with digital photography. Through time , I will need to delete my library to recover more disc space and I would hate to have to spend more time re - imputting titles and descriptions all over again .
Thanks for your interest and advice.
regards - Alan

HT201250 How can I migrate a Time Machine backup from an external hard drive to a new TimeCapsuls?

I just got a 2TB Time Capsule. I want to migrate my time machine backups on an external hard drive to the new Time Capsule. I have about 430Gb of files to back up; I don't want to wait 7-8 days for the backup, unless I have to. I am using OS 10.7.5 (forget which cat that is). I have mounted the TC drive as 10.0.1.1; I tried to drag and drop from old to "data" on TC, but I get the error "The volume is the wrong format for a backup." Any ideas how I can move my old files to the new, and bypass creating a brand new backup file?
Thanks.

Rather than do that, which means starting over from scratch, losing all your edits, organisation and so on, why not simply use iPhoto Library Manager to revert the Library to the older version? Easier, less destructive.
The instructions on that are here
If you really want to start over: you can access the Originals folder simply by going to your Pictures Folder and finding the iPhoto Library there. Right (or Control-) Click on the icon and select 'Show Package Contents'. A finder window will open with the Library exposed.

Re Time Machine I have an external hard drive with files I backed up manually over the past 2 years 1TB of memory. I am finally taking the leap to use Time machine to back everything. will I have to reformat that drive, thus wiping my previous bac

Re Time Machine
I have an external hard drive with files I backed up manually over the past 2 years 1TB of memory.
I am finally taking the leap to use Time machine to back everything.
will I have to reformat that drive, thus wiping my previous back ups?
can I split it the drive in two partitions?
Also
as I have two separate Macbook Pro's- one older than the other.
OSX 10.68
the other is
OSX 10.75
can I back them up separately?
or even synch and merge files and folders etc? between the two?

You CAN use a drive with files already on it to store Time Machine backups. But long term, that is not recommended. You do not need to reformat or re-partition the drive to do this. Once Time Machine Backups are established, you could remove the old files.
But do not delete Time Machines files with the Finder -- that can cause it to lose its place and lose everything.
With the cost of backup drives under US$100, it might be a better idea in the long run to get another drive. Best results from Time Machine is a drive about 3 times larger than the drive(s) you are backing up.

I am running my first backup on Time Machine using a Seagate external hard drive with a thunderbolt adapter and cable. I have a MacBook Pro 2011. It is backing up 11GB, and is telling me it will take approx two days. Is this normal?

I am running my first backup on Time Machine using a Seagate external hard drive with a thunderbolt adapter and cable. I have a MacBook Pro 2011. It is backing up 11GB, and is telling me it will take approx two days. Is this normal?

Download the supplemental fix to 10.7.5
http://support.apple.com/kb/DL1599

I had to reformat my OSX 10.5.8 and i can't restore my emails from my time machine backup from an external hard drive - only the latest (post backup) time machine back ups are available to restore. Please can any help

I had to reformat my OSX 10.5.8 and I can't restore my emails from my time machine backup from an external hard drive - only the latest (post backup) time machine back ups are available to restore. Please can any help? I can find the mail folder in my libraries, but the Restore Button is grayed out

OSX treats the reformatted drive as a different one; it's the same as replacing it, and the old one is no longer connected.
See #E3 in Time Machine - Troubleshooting to see and restore from the "old" drive.
And, you may not want to restore via the Finder; see the blue box in #15 of Time Machine - Frequently Asked Questions.

Is there any way to create a time machine backup to an external hard drive with content already on it? I have a hard drive that i have used for pictures but when i try to run a backup it says i need to start from a blank drive. Can i get around it?

Is there any way to create a time machine backup to an external hard drive with content already on it? I have a hard drive that i have used for pictures but when i try to run a backup it says i need to start from a blank drive. Can i get around it?

It would be much better if you had separate drives for the pictures and Time Machine backups.....but, if you want to use the same drive for both purposes, temporarily move the folder with the pictures to another location for safe storage.
Run the Time Machine backup on the hard drive and verify that everything is working correctly. Time Machine will format the disk for you in Mac OS Extended (Journaled) as part of the backup process.
Then move the folder with the pictures back to the hard drive with the Time Machine backups.
When you have tested to make sure that everything is working again, then and only then should you delete the folder with pictures from the temporary storage area.
Again....it would be much better to keep Time Machine backups on a drive just for that purpose, and other data on another drive for that purpose. This is clearly one of those times when the fact that you can do something does not mean to imply that you should do it.

Time Machine and backing up external hard drives

Time machine will not back external hard drives I have connected to my Mac Pro. It works fine with the 3 hard drives mounted in the computer. Is this the way Time Machine is intended to work or am I doing something wrong? Thanks in advance for your assistance.

According to Disk Utility, GUID and AFP are both ok for a non-bootable drive with either CPU. The difference is when you want to make a volume bootable.
Since TM volumes are not bootable, it shouldn't matter UNLESS you have some other bootable system installed on the drive.
Right now, the drive on my Intel iMac is partitioned AFP and the one on the PPC powerbook is GUID. They both appear to be behaving themselves. The iMac has had one instance (since the last partition job) of a massive backup which occurred right after I changed the exclude list and the PPC has had no massive backups (other than the initial one). On that one, I built the exclude list BEFORE the initial backup.
- gws

I threw out 24 time machine backups from an external hard drive into my desktop trash and now I can't empty my trash.

I threw out 24 time machine backups from an external hard drive into my IMac desktop trash and now I can't empty my trash.

Since you didn't mention what type of error message you were seeing, I'm going to guess on what is happening.
I'm guessing that since you threw away Time Machine backups, that Time Machine is probably active on your Mac. There is a chance then that the files you tossed are marked as in use. You can't delete files that are in use.
Try turning Time Machine off, then restart your Mac. Then try deleting them again.
Once done, turn Time Machine back on.
Tom

Is there a way to get my photos off an old time machine backup from an external hard drive?

Is there a way to get my photos off an old time machine backup from an external hard drive?

You will have to connect the Time Machine HDD and click on the Icon. You will see one folder called Backups.backupdb. Click on that and you will have to continue until you find the home folder. The iPhoto library (where the pictures are, not the application) will probably be in your pictures folder. You will have to drag that to your desk top. Then you will have access to individual images.
Ciao.

Time Machine Won't Recognize External Hard Drive

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