Firewire problem with DVD burner

After update to snow leopard no support anymore for external dvd burner from lacie. the systemprofiler shows it, but I can not use it anymore. I'm so frustated!-(
Everytime the same: DO NOT CHANGE A RUNING SYSTEM!

HI,
Check out the vendor site for 10.6 updates for compatibility with your Firewire drive.
Also, use Apple feedback. http://www.apple.com/feedback/macosx.html
Carolyn

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    Hello! I tried to reply, but was thrown out of the forum without passing "Go". In short:
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    Hi, alsvieira.
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    2. re: FireWire troubleshooting: Here is some general troubleshooting advice that may help if problems return with your FireWire drive:1. Review the AppleCare Knowledge Base document "What to do if your computer won't recognize a FireWire device".
    2. If this problem occurred after installing a recent Mac OS X Update, and you are also unable to mount CDs, DVDs, or disk images perform the steps in this Mac OS X Hints article. This worked under Panther and may also work in certain situations under Tiger.
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    6. Try a different FireWire port. James Wiebe, CEO of WiebeTech, has published FireWire Port Failures in Host Computers and Peripheral Devices, a white paper providing backgroud information and technical analysis concerning the causes of failure for FireWire ports. This may provide additional diagnostic information.
    7. Micromat TechTool Pro version 4 can test the FireWire bus in your computer: this tests the bus — not the ports — but if the problem is on the FireWire bus on the logic board, it should reveal it.
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    9. Hopefully, the partition map on the FireWire drive is not damaged. This can happen if the FireWire drive was not Ejected before being disconnected or powered off. If it still refuses to mount, you may need to employ data recovery tools or services: see my "Data Recovery" FAQ.Note that some of the information above is from the "FireWire Problems" chapter of my book, Troubleshooting Mac® OS X.
    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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    http://www.microsoftstore.com/store/msstore/html/p​bPage.Help_Win7_usbdvd_dwnTool
    Paul

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