External LaCie Problems

Hi,
I have a 160GB LaCie external hardrive which I accidentally unplugged during a data-transfer. Since doing that it will not appear on my desk top no matter what connection method i use (firewire or USB). I've tried connecting it to other computers with no luck. I don't even no where to begin with this so any suggestions would be greatly appreciated.
Thanks.

Hi, OldhamCorp. Welcome to the Discussions.
You wrote: "I have a 160GB LaCie external hardrive which I accidentally unplugged during a data-transfer. Since doing that it will not appear on my desk top no matter what connection method i use..."I suspect the Repair Disk function of Disk Utility will not correct this problem.
What has likely happened is that the drive's partition map has been corrupted. This can happen if you disconnect or power-off an external storage device — particularly hard drives — without first ejecting the drive, such as you described. Power failures can have the same effect, which is why desktop FireWire/USB hard drives that use mains power should be run off an Uninterruptible Power Supply (UPS), like desktop computers.
If Disk Utility > Repair Disk does not fix the drive, then you'll need to employ data recovery techniques to recover the data from the drive, then reformat the drive. See my "Data Recovery" FAQ for comprehensive advice that may help you with this problem.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

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Hi Rick
That's worked!
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Phew!

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What happened all those times I was backing up?
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Hi -
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Shelly

Thanks for your reply. The drive is actually being used on a G4 tower that's about 6 years old. I partitioned the drive into two sections: about 7GB for the operating system and the remainder of the 250GB for backup purposes. Neither volume shows up on the Tiger insdtall disk as a source for the installation (by the way, I also tried it on my G3 iBook, with the same results).

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My internal SuperDrive has this profile:
PIONEER DVD-RW DVR-104:
Firmware Revision: A227
Interconnect: ATAPI
Burn Support: Yes (Apple Shipped/Supported)
Cache: 2000 KB
Reads DVD: Yes
CD-Write: -R, -RW
DVD-Write: -R, -RW
Burn Underrun Protection CD: Yes
Burn Underrun Protection DVD: Yes
Write Strategies: CD-TAO, CD-SAO, DVD-DAO
Media: No
=======================
My external LaCie drive has this profile:
TSSTcorp CD/DVDW SH-W162L:
Firmware Revision: LC00
Interconnect: FireWire
Burn Support: Yes (Vendor Supported)
Profile Path: /Library/DiscRecording/DeviceProfiles/LaCie.drprofile
Cache: 2048 KB
Reads DVD: Yes
CD-Write: -R, -RW
DVD-Write: -R, -RW, +R, +RW, +R DL
Burn Underrun Protection CD: Yes
Burn Underrun Protection DVD: Yes
Write Strategies: CD-TAO, CD-SAO, CD-Raw, DVD-DAO
Media: No
It identified write restrictions, but my goal was to write a playable DVD and it fails in both my SuperDrive and off-the-shelf DVD players.
Thanks for the idea, but I'm not sure that this is the issue in this case. Is there some basic compatibility issue with using DVD+R media as a playable DVD for most off-the-shelf players?

EMac External LACIE DVD Drive not reading.

eMac External LACIE DVD Drive not reading.
eMac 700 MHz running OS X 4.4
Came without DVD or modem internal
Has 256mb memory
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Was able to burn DVD’s and CD’s with Toast 6 Light.
Cannot find the “DVD Player” on the hard drive.
It will read data DVD.
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I was told I probably need more memory?
Thought running IDVD would fix the problem.
No Soap.
This machine was giving external modem problems before Tiger was installed.
Before we spend more money or just get ride of the eMac.
What is the DVD problem?
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Hi
Just thinking.
• Your internal boot hard disk has > 25GB free space ? Important
• Your external LaCie - formatted as Mac OS Extended - UNIX/DOS/FAT32/Mac OS Exchange do not work !
• FireWire - USB/USB2 performs badly
• Energy Save - Turned OFF ! and so not to set hard disk to rest - not good when working with video.
• So goes for ScreenSavers too.
Yours Bengt W

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PC formatted partition does not appear at all.
(My Mac displays any other external PC formatted drives without any problems)
How to make this external LaCie HD to display both its Mac and PC partitions on my Mac?
Thank you all who help me!

The PC partition is FAT32.
The program you suggested is commercial but I just can't afford to spend on software that may or may not be suitable...
Any other options to see this PC partition on my Mac, fellow Mac users?

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Did you reformat both drives to MacOS Extended?
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x

External LaCie Drives

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I have four La Cie TB externals connected without issues over the past 1.5 years. Here's my Energy pane screen shot.

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