Lacie USB not mounting

I have both a 500gb and a 250gb Lacie USB external drives. Recently the 250gb wont mount on my desktop. i've tried unplugging and re plugging, switched the cables between the two but nothing works. it did eventually mount yesterday but again today it refuses to mount. the 500gb harddrive is fine.
the 250 also appears in my system profiler and in my disk utilities. i've repaird disk and permissions, but nothing will make it appear on my desktop.
any help would be greatly appreciated as the drive contains all my music and photos that i dont want to loose.

This is to assure you your photos are fine (I think). My LaCie drive is a DVD, but it has the same problem. LaCie (or someone) claimed it first occurred after MacOSX 10.4.8 was updated, and appears a problem between LaCie's software & Mac's. Various kludges have been suggested, and they all work at times: plugging the cables in carefully (Mac's astute advice), plugging in a different USB (or Firewire) device first (to 'stabilize' the bus), switching between USB & Firewire, & I've found a cold reboot with the drive plugged in occasionally works. I've found that even when an icon doesn't appear on my desktop, some Cocoa applications can access the drive. So if you're really worried about your photos, or frustrated, I might suggest seeing whether Darwin has mounted your drive: just type 'mount' on the 'Terminal' and look for it. If so, why not try a free X11 application until LaCie (or Apple) fixes the problem?

Similar Messages

  • Lacie drive not mounting after updating to 10.4.8

    Hi,
    I have a 160gb Lacie d2 external hd, and after updating my OS to 10.4.8 in October, it will not mount. It's recognized in Disk Utility, but will not mount. I've tried repairing disk permissions from both my current OS and from the installer DVD, but it isn't helping and I keep getting the same message.
    When I first updated to 10.4.8 in October, my computer had problems re-starting (it would get stuck at the blue boot-up screen), so I had to turn it off by holding the power button. Ever since then, the lacie drive won't mount.
    Is there anything else I can do? I've thought about trying Disk Warrior, but if possible I'd like to save the $100 to buy it!
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    What I think.
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    Photoshop CS and, an extremely resource greedy, 3D Modeling/database application running in Rosetta works fine. Animating 3D graphics on the fly without so much as a stutter everything calm and quiet. Open Safari and the comp gets too hot to handle the fans are screaming just displaying basic window graphics here at the Apple Discussion boards. Most times this is a text only forum for me as the MPB can't even process the window graphics, often the original posts push-pin graphic is the only one that will display.
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    I would do all my external back ups and device communication (cameras, HD's MIDI's etc) booting in 10.3 only. For me the G4 booted in Target disk mode seems to be the safest way to access an "external HD" via FW with the MBP. I have had zero problems with this method. A two step process for files that don't reside on the G4 but I'd rather be safe than sorry and I have already lost one HD that was completely unrecoverable (a mechanical rebuild lead to the discovery of overwritten files with driver type data and damaged disk surface from arcing). Small files I just access on the external HD's through G4 over the airport network. I have not used Bonjour in depth yet though will most likely incorporate that into everyday use as I was able to quickly transfer a few very large files to a friends MacBook with it. Used this Just after realizing the MBP lacks IRDA and neither of us had any cables with us.
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    HTH

  • System Profiler Crashes Lacie ext not mounting

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  • LION-ext.HDD-usb-not mounting!!!!

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  • USB not mounting - Used on a windows, then a Mac, then not working anymore

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  • USB not mounting anymore

    Hi all,
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    Last edited by Chowchilla (2012-09-13 04:45:49)

    [ 135.585917] usb 1-1.2: new high-speed USB device number 5 using ehci_hcd
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    [ 135.784920] Initializing USB Mass Storage driver...
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    [ 136.791095] sd 6:0:0:0: [sdb] Write Protect is off
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    Last edited by Chowchilla (2012-09-13 05:05:51)

  • Internal Lacie drive not mounting

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  • My USB-Stick is marked busy even though not mounted (?)

    Also Subject lines are too short.
    Hello there, my name is Ayutac, I use Arch for some while now and I probably screwed up.
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    Welcome to Arch Linux.
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    Last edited by ewaller (2014-09-27 16:18:25)

  • EXTERNAL DRIVE IS NOT MOUNTING--help!!

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    Message was edited by: Angelo J. Guglielmo, Jr.
    Message was edited by: Angelo J. Guglielmo, Jr.

    "Invalid node structure" is a serious directory error.
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    -mj
    [email protected]

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    There are some posts around 10.5.7 update issues, but I've tried everything listed and no dice.
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    I had a Western Digital My Passport Studio model like that. It has nothing to do with cables or your laptop. It has to do with manufacturers who fail to adhere to the proper power standards for the interface. Basically, if the drive demands more power then the port will give, it is never going to work.
    I returned my WD to Apple for a refund, and instead tried a SeaGate FreeAgent Go firewire 800 drive. It has worked flawlessly over Firewire on my MacBook Pro, and it even came with both a Fire 800 cable, a firewire 800-to-400 cable, a USB cable, and a special USB power cable so you could draw additional power off the USB ports if a firewire 800 port wasn't putting out sufficient power. That's why I bought it - figured one way or another it had to be able to work on bus power (even if it had taken both the firewire and USB bus in combo to do it).
    Another option I've had good luck with in the past is OWC Mercury on the Go drives (eshop.macsales.com). These have always worked fine on bus power for me, but they also have an optional external power supply too, just in case.

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