LaCie firewire HD no longer recognized by my mac

I have a LaCie external hard drive that has worked flawlessly since I introduced them to one another.
I recently installed BootCamp to install Windows XP on a partition of my mac but when I came back to the Macintosh HD, the Mac no longer recognized my firewire drive as a valid disk.
The message says:
"Disk Insertion
The disk you inserted was not readable by this computer."
Then it asks me to "Initialize..." "Ignore" or "Eject"
Since this drive has a lot of very important files on it (films that I have done), I do not want to end up erasing any of the data.
I tried what the apple site said and I connected it with a different firewire cable, but I still get the same message. I turned off the mac and reconnected it to no avail.
I was wondering if 1)Maybe the firmware update I installed to use BootCamp created a problem for the Firewire port, 2) maybe there is a driver issue that came about after installing BootCamp.
Is there a way to restore my iMac to before I installed BootCamp or the FirmWare update?
Is there an easy answer?
I just need to get my external firewire hard drive working like old times without erasing anything.
I appreciate any help.

Okay, I figured out how to run Disk Utility from the OS X CD.
It still doesn't give me the option to mount it:
Does that mean it is not a problem with the firmware update? Both of my external HDs are giving me this message too.
imac (intel) Mac OS X (10.4.6)

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Certain USB and firewire devices no longer recognized

I am going to make a solid attempt to communicate the problem, I'm led to believe that there are some configuration settings that need to be corrected to solve this, though I am not able to find it.
The problem:
(what led up to it) My SSD was knocked out of commission do to plugging in a 'newer technology' 7-port USB hub that had its power supply disconnected. The computer froze, then would not boot. Applecare originally suspected the logic board but found the ssd was knocked out. They reported everything else was fine and the laptop was back in my possesion. I sent in the SSD for warranty replacement and put the original hard drive in. This is when the problem I am having now started.
For some some, a Lacie Rugged FW/USB drive shows up as an unknown device. The USB logitect c910 webcam will not register at all, and the Saffire 6 USB sound card is receiving power with the amp inputs/outputs working...but does not show up in the system preferences for sound. -- There is a second 2TB USB drive (also a rugged lacie) that mounts to the desktop occasionally, but on most reboots it doesn't show up, even in disk utility. When it does show up it appears to be working fine.
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What I have already tried (several times):
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-- updating to the latest software, and installing the correct drivers for the sound card and webcam. The lacie external hard disks have no drivers for Mac
-- reseting the PRAM
-- reseting the SMC
-- plugging them in one at a time, in all ports, and ensuring they all have the correct power supply and working USB cable
-- upgrading from snow leapord to lion to mountain lion on the disk had no effect
-- by luck, I managed to boot up from the 2TB drive which contains a recent clone backup of the SSD. The same problem exists.
Before I ever submit a question, I make a solid effort to research past threads. So far, I have found no additional troubleshooting advice beyond the 7 steps I have tried as covered above. I am still awaiting the replacement SSD drive from owc. Again, the problem devices are:
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- Logitech C910 webcam
- Saffire 6 USB sound card
- Lacie Rugged 2TB USB external drive (sometimes it shows up)
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I apologize for the length of this post, but my intention is to minimize misunderstanding and rule out the options I've already tried. Any insight on this is appreciated as my music productions depend on both hard drives and the soundcard. Thanks for your time and attention. If any more info is needed I will be more than happy to try to provide it.
-Matt

Hi,
Thanks for your post! I took my ibook to an apple shop on monday to which I was told that the panic kernal that occured interrupted my software update and that the best thing to do would be to reinstall tiger. I did that, erasing and installing, and the problem seems to have dissapeared. I just wish I had read your post first! What was interesting was my mouse worked in the USB port but stuff like my memory stick didn't appear in disk utility. I also tried to replace the interrupted software updates with the Power PC combo one but that would not mount. I am not sure what all these means but if anyone has a similar problem to what I had, I suggest reinstalling the OS. Seems like a pretty weird and rare problem to have tho!

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I had the power go out in my apartment for a couple of seconds today and now one of my Lacie FW external hard drives won't be recognized or mounted by my Mac. In System Profiler, it recognizes it as "Unknown Device", but the Disk Utility won't "see" it at all. I also have Data Rescue II, but it won't recognize the drive either. I have 2 other Lacie externals that didn't seem to be affected by the outage.
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I've had my 3G iPod for 4 years and have been
successfully connecting via firewire dock to my Mac
about once a week ... until 2 days ago. Now when I
doc my iPod, not only is it not seen by my Mac, but
my other firewire devices (iSight, external
harddrive) lose there connection to my Mac until I
remove the iPod from it's doc. I have 2 different
Macs (Intel and G4) 2 different docs and 2 different
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the iPod. I went under settings and reset the iPod,
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charges.
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Mac Pro Mac OS X
(10.4.8) 3G iPod
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Connect to firewire in the back of your G4 or other computer and upgrade your version of Itunes.

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emanwine wrote:
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Good News.
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So i updatedt to iTunes 9 yesterday - only to find out that my iPod 3G is no longer recognized by iTunes. Also my 2G are not recognized any longer on this machine
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see heer http://0711.diy-punk.net/WOW/ipodfu.jpg
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Microsoft Windows Vista Ultimate Edition Service Pack 1 (Build 6001)
System manufacturer System Product Name
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Apple Application Support 1.0
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CD Driver DLL 2.1.1.1
Apple Mobile Device 2.6.0.32
Apple Mobile Device Driver 1.45.0.0
Bonjour 1.0.6.2 (118.5)
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Info zu Video-Anzeige
NVIDIA, NVIDIA GeForce GTX 275
** Info für externe Plug-Ins **
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Plug-In geladen: Ja
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Plug-In-Dateiversion: 0.5.0.0
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Yeah... I hope apple solves this problem soon. =\
I use Windows XP instead of Vista...
This happened to me:
I plugged my iPod
Oppened the iTunes, iTunes recognized the iPod with all the songs, album covers, playlists, etc.
It asked for update. (Download & Instal, ok)
Finished the update, oppened the iTunes 9.0. Added a new songs but then I realized it didn't recognize the iPod (wich was plugged.)
I checked on "My computer" and I saw "iPod". Ok.
When I ejected the iPod it was clean. No musics, no Videos, no playlists. Started on the screen "Select your language".
I Tried reinstaling the iTunes but whenever I got an older version it said something like "The iTunes can't be started because the iTunes library has been generated by a new version."
Restarted my PC several times.
Rebooted the iPod.
Tried switching USBs.
NOTHING works.
Nothing at all.
even tryed the manage thing on "My Computer".
If they don't find a way of fixing this bug my iPod Nano is not better than a f**kin' Pendrive... ~.~"
Hope apple do something...

LaCie firewire HD no longer recognized by my mac

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