Lacie D2 External Hard Drive suddenly won't appear on desktop or profiler??

I started my Mac today- and my external firewire 500 gig LacieD2 did not appear on my desktop. I went to Disk Utilities, and it is not showing up. In the profiler- it is listed as Unknown Device? The blue light is continually flashing. I unplugged it- turned off my computer, waited, and reconnected it. Still nothing. Is this hard drive dead? I have essential information on it that I cannot loose.

I hear it spinning- I think?
That may not be so good because it suggests the power is getting to it and it is something else more critical to the functioning of the drive that is wrong. If it is the enclosure you could try moving it out of the enclosure into a different one, or into the computer.
I just used Disk Warrior to rebuild the directory- no luck.
Ah, so did Diskwarrior see the drive? I didn't think you could see the drive in Disk Utility.
I also replaced the firewire Cable- no luck.
Good try but the flashing blue light suggested something else to me.
I'm now doing to bring it to a local Computer Store to try to retrieve the information.
Try using an application such as [Data Rescue II|http://www.prosofteng.com/products/data_rescue.php] or [FileSalvage|http://subrosasoft.com/OSXSoftware/index.php?mainpage=product_info&productsid=1]. Both have free trial versions that let you see if the software will help before you decide to buy. You will also need a second hard drive equal to or larger in size than your first drive.
I wrote to Lacie- but they are so slow in responding- it will be days.
Ummmm....

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External hard drive icon won't appear on desktop

Apparently spontaneously (has worked fine in the past!) I cannot get a desktop icon for my La Cie external hard drive to appear. I can see the hard drive in Desktop Utility and can eject it through there but the verify and repair options aren't highlighted.

I hear it spinning- I think?
That may not be so good because it suggests the power is getting to it and it is something else more critical to the functioning of the drive that is wrong. If it is the enclosure you could try moving it out of the enclosure into a different one, or into the computer.
I just used Disk Warrior to rebuild the directory- no luck.
Ah, so did Diskwarrior see the drive? I didn't think you could see the drive in Disk Utility.
I also replaced the firewire Cable- no luck.
Good try but the flashing blue light suggested something else to me.
I'm now doing to bring it to a local Computer Store to try to retrieve the information.
Try using an application such as [Data Rescue II|http://www.prosofteng.com/products/data_rescue.php] or [FileSalvage|http://subrosasoft.com/OSXSoftware/index.php?mainpage=product_info&productsid=1]. Both have free trial versions that let you see if the software will help before you decide to buy. You will also need a second hard drive equal to or larger in size than your first drive.
I wrote to Lacie- but they are so slow in responding- it will be days.
Ummmm....

My external hard drive suddenly won't mount.

I have a mac 0sx version 10.5.8. My WD hard drive suddenly won't mount. Tried running a repair with disc utility-no luck.

Your best bet is DiskWarrior...
http://www.alsoft.com/DiskWarrior/

HELP. External hard drive suddenly won't show up on Mac.

So, I left for a few minutes and when I got back, there was that warning on my screen that said the disc wasn't ejected properly, etc. Which was weird because the drive was still plugged in fine. Anyway, when this happens, I usually just pull the hard drive out then plug it back in and it works fine but now it won't show up on the desktop or on the disk utility I got it to show up on disk utility once, but the subheading under the hard drive was greyed out. I could click it but when I tried to run Verify or Repair, nothing would happen. It would show up on the history as "repaired disc" but NOTHING. And I am honestly freaking out Please help, anyone

I'd have to agree with WZZZ. That sounds like either a bad connection, bad cable, or faulty supply. The port could be bad as well but the cable either being bad or not properly plugged in or maybe even worn out. When the "disk ejected" message shows up it's usually because somehow the cable was yanked out of the system while it was plugged in. Intermittenet connections in the cable, particularly in supply lines between the drive and the unit can cause this to happen as well...it's as if you unplugged the external hard drive from the system for a very short time, but the system still picks it up and sees it as bad.
If worse comes to worse, download the hard drive troubleshooting book in the downloads section at:
http://scsc-online.com

Lacie external hard drive suddenly won't mount on iMac 27"

Help! My back up Lacie suddenly won't mount. It shows up on my disk utility (but faded) and I tried to repair it with no benefit. I thought it might be a Lion problem, but my other Lacie is working fine. I tried using a different USB cable and unplugging everything, rebooting etc. Any help would be much appreciated.

There may be hardware problem with the drive. However you can try resetting the SMC. Don't be afraid to reset it 2-3x if the first time doesn't work.
SMC RESET
Shut down the computer.
Unplug the computer's power cord and all peripherals.
Press and hold the power button for 5 seconds.
Release the power button.
Attach the computers power cable.
Press the power button to turn on the computer.
PRAM RESET
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

External hard drive suddenly won't mount

Although I've not had a problem with this drive in the past, it all of a sudden won't mount. It has all my music on and stalled while I was using iTunes, the timer wheel came up and was still the same after 20 minutes so I closed down. Now the drive won't mount at all so I can't even try repairing the disk. I've tried swapping from firewire to USB cables and also going through a hub, neither have worked.
It's a Lacie and the power light stays continuously orange on it and it feels like it's working overtime.
PLEASE HELP!

A little bit more on this... I looked at the instructions for the Lacie and it said that some smaller laptops may require a power cable via a USB port and back into the Lacie, which now works but I'm wondering why this has happened all of a sudden and can I rectify it??
I've deleted a load of stuff off my ibook hard drive, like photos etc, thinking that would help but it hasn't. Plus, I've recently installed an extra 1gb power card.
What can I do to avoid having to plug all these peripherals in to access my music?

External Hard Drive Suddenly won't mount except if connected via keyboard

Hi there guys. I have a generic USB 2.0 Hard drive enclosure that I've been using successfully with my Macs. Today it doesn't work, on any of them.
I connect it via USB to the back of my iMac, and it will not mount. I checked system information, and it finds: (under USB)
- USB 2.0 Storage Device
And it knows this:
USB 2.0 Storage Device:
Version: 1.03
Bus Power (mA): 500
Speed: Up to 480 Mb/sec
Product ID: 0x5621
Serial Number: 00042222200000157768
Vendor ID: 0x0402
If I plug the hard drive in through my Apple keyboard, it mounts fine, but is SUPER slow, like completely unusable. However in this case, system information says:
USB 2.0 Storage Device:
Capacity: 189.92 GB
Removable Media: Yes
Detachable Drive: Yes
BSD Name: disk1
Version: 1.03
Bus Power (mA): 100
Speed: Up to 12 Mb/sec
OS9 Drivers: No
Product ID: 0x5621
Serial Number: 00042222200000157768
S.M.A.R.T. status: Not Supported
Vendor ID: 0x0402
Volumes:
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Available: 44.78 GB
Writable: Yes
File System: Journaled HFS+
BSD Name: disk1s3
Mount Point: /Volumes/Backup Disk
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What should I try?
-Brian

One last question have you tried theMac OS X 10.4.10 Combo Update v1.1 (Intel)
Note: What’s New in this Version
The 10.4.10 Update is recommended for PowerPC and Intel-based Mac computers currently running Mac OS X Tiger. This update includes general operating system fixes, as well as specific fixes or compatibility updates for the following applications and technologies:
- RAW camera support
- Mounting and unmounting external USB devices
- Support for 3rd party software applications
- Security updates
17" iMac Intel Core Duo - 2GB Ram - Mac OS X (10.4.10) - Maxtor 300GB FireWire - Creative Inspire 2.1 - 2G Nano

External hard drive suddenly won't mount, but shows in Disk Utility.

Running OS 10.6.8... Disk Utility sees it and there's no issues when verified or repaired. The partition is grayed out and won't mount through Disk Utility. I've also tried mounting via Terminal, but same result. I've connected other drives, so I know it's not the wires or ports. When I turn the power on, it spins up and seems to be working properly. I don't have another mac to test it on. Any ideas would be greatly appreciated.
Here's the info from Disk Utility:
Name :     BACKUP
    Type :     Volume
    Disk Identifier :     disk1s10
    Mount Point :     Not mounted
    File System :     Mac OS Extended (Journaled)
    Connection Bus :     FireWire
    Device Tree :     IODeviceTree:/PCI0@0/RP05@1C,4/FWBR@0/FRWR@0/node@30e0f4e010a9d6/sbp-2@c000
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You don't have a PowerMac if you have a Mac Pro. You don't have a PowerMac if you have Mac OS X 10.6. PowerMac is the name for the desktop professional Macs prior to mid-2006.   Two possibilities, the drive is dead, or the drive has a bad directory.   For a fee you can isolate either on my FAQ*:
http://www.macmaps.com/directoryfaq.html
* Links to some of my pages may give me compensation.

LaCie FireWire External Hard Drive NOT working ...

I have a 250GB LaCie External Hard Drive plugged via FireWire into my Desktop and it is NOT working properly for the last 12-14 months. I have tried several things, including taking it to the store, and nothing seems to fix the problem. I even upgraded the RAM to 1.25 GB, but that did not solve this problem (I never thought this was the problem, but the guy at the Genius Bar suggested so). The most frustrating of all is that sometimes it works (20% of the time) and most of the time it is just not working. Also, when I use it with my MacBook, it works just fine, so this gives me a little bit of a clue that the problem is the desktop, not the Hard Drive, this is why I did not buy a new HDrive, and this is why I am asking help here. (By the way, when I try to eject the LaCie from my Desktop, it says it can't be done because the disk is in use -which I know is not)
Here is the thing as today. Last week I was able to drag some music from my iTunes to my HD using my MacBook. I connected my LaCie back to my desktop (which is where I need it to be) and I can NOT copy any file from my desktop to my LaCie Hardrive. It gives an error message like "The name is too long for the destination". Really weird! If I change the name it still says the same. So when I want to save a CD to my LaCie (which is the main purpose of me having an External Hard Drive, I just can't do it).
When I try to open files from the LaCie, it is fine as long as it is a jpeg or a .doc file. MP3 files won't open, and an error will show like this: Disk could not be read from or written to. I can drag files from LaCie to my dektop, but again, only .doc or .jpeg files.
In regards to the Time Machine, I completely gave that up. It would not back up, it would freeze the computer ... I really don't care about that, really. All I want is my External Hard Drive to be able to save my mp3 files safely, since I have thousands of files in mp3 format.
I tried to use Disk Utility to verify and/or repair de disk, but I was not successful with that either. When repairing, after not even a minute it says "Disk could not be unmounted". When trying to verify, it would say "Filesystem verify or repair failed".
I am DESPERATELY asking for help. I am just a regular guy with few computer knowledge. I just want my Apple to work, that is why I use Apple and not PC. But I need someone who could give me advice on how to fix this problem.
Thank YOU very much!

{quote}
My desktop has two FireWire ports. In the first one I had my webcam plugged in. In the second one, the External Hard Drive. I unplugged the camera and used the first port for my External HDrive and now it works! So it seems the problem is a hardware problem with the port.
I'd check to see if the problem returns when you plug the camera back into the second port, or if the drive works in the original port when the camera is not connected.
Edit: Maybe you unplugged the problem, when you unplugged the camera?
Message was edited by: dechamp

My Western Digital external hard drive suddenly stopped showing up on my Macbook Pro and disappeared from Disk Utility. It works on a PC.

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LaCie 120Gb external hard drive no longer recognized

I've had a LaCie 120Gb external hard drive working independently off a firewire cable for a couple of months now. This morning it stopped being picked up as an external drive. It connects because you can feel it whirring, and stops when the computer is turned off (so the cables are working), but it no longer shows up in the finder or disk utility. I tried resetting the PRAM to no effect. Any ideas anyone???
Dave Nicholls, Auckland.

it spins because it has power. maybe your firewire port is damaged? does the drive have a usb port that you can try? if not, you can remove the hard drive from it's enclosure and install it in a tower mac or pc if you have one and see if it shows up then.

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connected lacie d2 external hard drive triple extreme to mini. Does not show on desktop. Does not show name in system profiler but recognizes a firewire attachment. Do not know what to do next.

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My external hard drive will not mount on the desktop?

My external hard drive no longer mounts on my desktop, the hard drive has been checked & is working-has anyone ideas?

Hello cuckoo55,
Thanks for using Apple Support Communities.
For more information on this, take a look at:
Mac OS X v10.6: How to show your hard drive icon on the desktop
http://support.apple.com/kb/HT3746
In the Finder, choose Preferences from the Finder menu.
Click the General icon on the toolbar.
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Close the Finder Preferences window.
Best of luck,
Mario

Lacie D2 External Hard Drive suddenly won't appear on desktop or profiler??

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