No longer recognizing LaCie external drive.

I have been using a LaCie Quadra external drive to backup my files. Since the last system upgrade the external drive is no longer being recognized. I have followed the troubleshooting suggestions from the LaCie site i.e. checking with different cables. When I connect with the USB nothing is listed in system profile, however when using a firewire cable to connect both 400 and 800 system profiler lists "unknown device". When I run disk utility: repair disk it says the disc is OK. I have a tried all of the troubleshooting on my iBook which has the same system with same results. I have also tried a different LaCie Quadra drive which has not been used with same results, so have concluded there must be something in the system rather than hardware. Any suggestions about where to go from here?

I have also tried a different LaCie Quadra drive which has not been used with same results
I had a LaCie Quadra drive exhibit similar symptoms recently, and it turned out to be a bad power brick, even though the drive seemed to power up OK. When you tried replacing your LaCie drive with the other one, did you also use the other one's power adaptor?

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Macbook no longer recognizes my lacie external drive

My macbook no longer recognizes my lacie external drive.

Use a data recovery product such as the ones listed here, and then get a replacement drive.
(110354)

I'd love some help trying to figure out why my 2008 MacBook no longer recognizes my external drive and now is not downloading photos from my iphone....?

After many years of having no problems at all on my Macbook, I recently figured I should finally upgrade my OS. I did that about three weeks ago, updating to Snow Leopard (10.6.8). I used Time Machine at least once after the OS upgrade but now Time Machine no longer recognizes the external drive I have used for all these years to back up. The MacBook does not "see" it. (Disk Utility does however.) The computer then also stopped recognizing another La Cie back-up that I have and now... my iPhone cannot download photos? Yikes.
I have, of course, shut down numerous times, used different cables (that worked for some) and the two USB drives. I even used a firewire. Nothing worked. I also tried to "Repair disk" on Disk Utility. It didn't work either, giving me an error (that I didn't save, sorry).
I read many other discussions on the file format of the external drive and of course I'd be happy to reformat the external drives--however, it is obviously a tad nerve-wracking to reformat drives before having an accessible back-up. Suggestions? I do not remember what file format they have but am pretty sure it's not the Mac file system someone mentioned. The drives are a 2009 WD "My Passport Elite" and La Cie 2007 d2 Quadra,
In terms of other hardware available, we do have another MacBook Air but it has started rejecting both drives as well (without the Snow Leopard upgrade). We have an old Dell but it wouldn't have the disk space to help out much.
Any thoughts on the process involved would be welcome. Any ideas on the iPhone rejection would be helpful as well! It is a 30gig iPhone 4 that has 20 or so gigs free (not clear as iTunes says that there are abour 18 Gigs on the phone but 24 free gigs? I may be bad at math but that's 40 gigs...).
I am checking out iCloud but apparently there are only 55 gigs available?
Will be glad to hear any thoughts. Thanks!

Good afternoon Lyssa,
Phew. First of all, thanks in advance...these blogs are always comforting help!
So, to answer your questions: For the age of the hard drive.Well, I added memory a couple of years ago (RAM and hard drive). Being a mom leads me to eat up a fair amount of gigs with photos of my kids and, in fact, I think I entirely replaced the original drive, so it is a couple years younger than 2008 since I did that in March 2010. If there is some way to verify that (whether or not I replaced the entire drive), I'm all ears. I have 311 Gigs free, so it is not a space issue. I verified the startup disk on Disk Utilityand nothing showed up.
Question 1- What formats...
The La Cie is format Windows NT Filesystem 3G ....At the time that I bought it I was still using a PC as well as a Mac and was told by afriend to use this format...
The WD is Mac OS Extended (Journaled). I again tried to repair the WD last night and this is the error message: "Error: DiskUtility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files."
Also, Time Machine tried again to back-up and gave me this error: "Files can't becopied onto the backup disk because it appears to be 'read only'. You may needto repair or reformat the disk using Disk Utility. If the disk can't berepaired, you must use a different disk for backups. Open Time Machinepreferences to select a different backup disk."
Question 2. Other cables...
I used two other cables with the WD and that didn't change anything.
Question 3... Fire Wire from the La Cie
Yes, I used the Firewire cable from the La Cie and it is indeed present, though still not visible in Finder. Since it is not Mac OSExtended I know that I can't use Time Machine with it.
So, in summary...
I can plug in the La Cie and it is functional on the MacBook, visible on Disk Utility but not visible in Finder. The WD drive is not visible and not functional. So we can think it is indeed the WD that is not working.... Also, the iphone photos did, in the end, get downloaded, so it is not something more general.
Causes...
I forgot to mention that there is a "lost+found" file on the WD which apparently points to a UNIX /OS issue?
Some kind of "insurance"?....
I'm curious about how people avoid this kind of issue. You just regularly replace back-up drives and hard drives before problems come up? Time Machine is great and saves many of us from disasters, however, knowing that your Time Machine back-ups are vulnerable makes the whole system insecure. No way to have alarms ring before the drive goes out?
As for ways ahead...
It seems that I ought to be able to copy off of the WD to the MacBook then erase it and reformat it and start over again. However, I haven’t been able to see its contents except on random occasions. If you have any ideas on how to copy the Time Machineback-ups from the WD, again, I'm all ears!
Good afternoon Lyssa,
Phew. First of all, thanks in advance...
So, to answer your questions:
For the age of the hard drive. Well, I added memory a coupleof years ago (RAM and hard drive). Being a mom leads me to eat up a fair amountof gigs with photos of my kids ….and, in fact, I think I entirely replaced theoriginal drive, so it is a couple years younger than 2008 since I did that inMarch 2010. If there is some way to verify that, I'm all ears. I have 311 Gigfree, so it is not a space issue. I verified the startup disk on Disk Utilityand nothing showed up.
Question 1- What formats...
The La Cie is format Windows NT Filesystem 3G ....At thetime that I bought it I was still using a PC as well as a Mac and was told by afriend to use this format...
The WD is Mac OS Extended (Journaled). I again tried torepair the WD last night and this is the error message: "Error: DiskUtility can’t repair this disk. Back up as many of your files as possible,reformat the disk, and restore your backed-up files."
Also, Time Machine tried again to back-up and gave me thiserror: "Files can't be copied onto the backup disk because it appearsto be 'read only'. You may need to repair or reformat the disk using DiskUtility. If the disk can't be repaired, you must use a different disk forbackups. Open Time Machine preferences to select a different backup disk."
Question 2. Other cables...
I used two other cables with the WD and that didn't changeanything.
Question 3... Fire Wire from the La Cie
Yes, I used the Firewire cable from the La Cie and it isindeed accessible, though still not visible in Finder. Since it is not Mac OSExtended I know that I can't use Time Machine with it.
FYI...
So, in summary... I can plug in the La Cie and it is “functional” on theMacBook but not visible in Finder. The WD drive is not visible and notfunctional. So we can think it is indeed the WD that is not working.... ALSO,the iphone photos did, in the end get downloaded.
As for ways ahead…
It seems that I ought to be able to copy off of the WD tothe MacBook then erase it and reformat it and start over again. However, Ihaven’t been able to “see” its contents except on random occasions…
Any further thoughts are welcome!

Fix for Mavericks compatibility with Lacie external drives yet?

My last attempt to upgrade to Mavericks caused my 2 Lacie external drives to become unrecognisable to my mac. Update hung up too so I lost everything...luckily I had a third back up with CCC that saved me. Im just wondering if there is a fix for this now. I got no information or help from Lacie.

Exactly the same here. Installed Mavericks and La Cie no longer shows in Finder and Time Machine reminds me that no back up has taken place. As an iMac newbie where do I go from here. In my Win PC days I always backed up to an external HD on a scheduled basis without this sort of problem.

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Okay, second question: How does this forum software work? According to the thread list, someone named MacWizard has replied to this thread, but I can't see it.
MacWizard, if you could email your reply to spearbrave at gmail point c0m so I can read it there, I'd appreciate it.
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I'm using Time Machine and a LaCie external drive to backup. I also have a 8 GB LaCie flash drive I want to use for small jobs. If I plug the LaCie flash drive in, is my Mac going to think it is the LaCie external drive and start trying to backup?

I'm using Time Machine and a LaCie external drive to backup. I also have a 8 GB LaCie flash drive I want to use for small jobs. If I plug the LaCie flash drive in, is my Mac going to think it is the LaCie external drive and start trying to backup?

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Does the time machine volume meet the requirements?
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My 2007 Macbook pro Intel Core 2 Duo   Processor Speed 2.33 GHz has power issues with one or some of my USB powered devices. Last night I could not back up my Lacie external drives with software SuperDuper, hard drive copier. I also had a message that Tim

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routers that are plugged into a 550VA CyberPower surge protector. I often receive these insufficient USB power for devices messages a dozen times even when I do not have devices like camera, Ipad, Ipod, and Tascam digital audio recorder plugged in. Is there a way to troubleshoot these USB routers or should I consider that one of the routers may be defective and replace them?
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My 2007 Macbook pro Intel Core 2 Duo   Processor Speed 2.33 GHz has power issues with one or some of my USB powered devices. Last night I could not back up my Lacie external drives with software SuperDuper, hard drive copier. I also had a message that Time machine failed. I have two powered 12V USB
routers that are plugged into a 550VA CyberPower surge protector. I often receive these insufficient USB power for devices messages a dozen times even when I do not have devices like camera, Ipad, Ipod, and Tascam digital audio recorder plugged in. Is there a way to troubleshoot these USB routers or should I consider that one of the routers may be defective and replace them?
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I have an issue with time machine, it doesn't find the Lacie external driver it use to use. it is the same drive that I usaly use for time machine back ups. It is corectly plugged. What can I do ?

Hi,
I'm trying to back up my macbook with time machine on the Lacie external driver I usualy use for this, but today my computer doesn't find the driver. I haven't done back up in 6 month.
Today, the Lacie driver is pluged and running, but the computer just does'nt find it.
what shall I do ?

Some things to consider:
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Is the drive still selected in System Preferences, Time Machine? If not, use the "Select Disk" button.
Is Time Machine still turned on (System Preferences, Time Machine)?
Can you see the drive (and mount it) using Disk Utility (in your Utilities folder)?
charlie

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I'm using my Lacie external drive (2TB) for my time machine. And it has this problem that every time after I put my macbook to sleep, the time machine won't work, it keeps showing this message "error occurred during back up" (but it doesn't not specify what kind of error). And the time machine can't recognize the history backup from the drive.
However, it will function again if I eject the drive and replug it in.
It's not a major problem, but it's kinda annoying and I wanna know what's causing it.
Thanks yall.

Hi George,
The one way I found to get the TM back on the rail is to access my back up disk from finder, choose the sparse disk image. Hit cmmd-delete and banish it.
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(84527)

Why did my Mac stop recognizing the external drive?

My Mac suddenly stopped recognizing the external drive when I try to back up through time capsule. It is on and plugged in. What is the problem? what can I do to correct it?

See if the Mac can access the device directly; not via Time Machine. Try the (presumably) USB device on a different computer, and also try a different USB storage device on the Mac, and try different USB ports on the Mac. Also unplug all other USB devices and hubs, and connect the device directly to the Mac. If the USB device has an optional external power supply, try using that. Basically, try different combinations and see if the Mac or the USB cable or the USB device is the most likely source of the problem.

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If the backup was made using time machine, you should be able to access any files you need or want manually using the finder. It may not be pretty, but it should work. I don't know why the migration assistant would be unable to access it though.
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No longer recognizing LaCie external drive.

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