LG external dvd writer stopped working

Hi, I have an LG GSA-E40N external dvd writer connected to my eMac via usb2.
It was working fine from new at the beginning of June until the other day when I upgraded from 10.4.3 to 10.4.10. Now, my eMac won't recognise the LG drive at all in either the powered usb2 hub it was connected to originally or when connected direct to the computer - shows nothing connected to that port when it's plugged into the computer.
I took it back to the shop where, unsurprisingly, it worked straight away with a Windows system so it's not a leads problem.
So the obvious answer seems to be the upgrade to 10.4.10 broke support for the writer somehow but the question is, is there a way to get my eMac to work with this LG writer again under 10.4.10?

thewiccaman,
Welcome to the Apple Discussions!
There have been a number of reports of people having problems with USB or Firewire access to external drives after updating to 10.4.10 (balanced against reports of previously unusable drives that now work, not that that's of any consolation to you). It appears that some of the 'minor' tweaks Apple included in 10.4.10 to more closely match the published USB and Firewire standards cause problems with manufacturer's devices that are themselves slightly off the standards.
Although external DVDs should be recognized in 10.4 without any additional software, you can try checking the LG website for any mention of firmware or driver updates for your particular model drive.
You may want to resort to dropping down to 10.4.9 (while waiting to see if Apple releases a 10.4.11). Kappy describes how to downgrade the OS in this post. Ypu'll want this link as well: OS X Update Combo 10.4.9 (PPC)

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