Can't find pre-installed USB hardware driver in XP

>I have Windows XP Media Center Edition on a Dell E521. Just recently,
>within
> this past week, I have connected my USB SanDisk ImageMate SDDR-05
> Flashcard
> reader to my computer in order to transfer picture files from my camera to
> the computer via a flashcard. While doing the initial setup the Wizard
> Install box instructs me through all the necessary steps, but it finally
> states that: "the hardware was not installed because the wizard cannot
> find
> the necessary software." I've attempted this procedure several times but
> always with the same result...I still can't find the device anywhere on my
> computer, not even within the My Computer icon. On the device manager the
> SanDisk hardware appears (identified as USB CFII), but as a yellow
> question
> mark upon which I always end up uninstalling/removing it. I called SanDisk
> tech help and they said that their Flashcard Reader already has its driver
> pre-installed within every XP system...and that is why their website does
> not
> offer any ImageMate SDDR-05 driver downloads for XP. I have even tried
> changing to the other computer USB ports including one which my printer
> already works without any problems...but I still get the same none result.
> This hardware did work, without any issues, with my older Dell which had a
> Windows 98 OS. The SanDisk tech suggested I contact Microsoft... Any
> suggestions on what I could/should do to remedy this? Please help!!!!
> Thanks
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