It seems more like the power failure caused the partition troubles.
See if something here can help:
http://www3.telus.net/dandemar/datrec.htm
--
Jupiter Jones [MVP]
http://www3.telus.net/dandemar/
<> wrote in message
news:304401c4a7e1$05824480$...
>I was installing Windows XP SP2 when my computer lost
> power. When I turned it back on, it said an error had
> occurred and to remove SP2. I click OK and my next
> message was "The disk in drive D is not formatted. Do you
> want to format it now?"
>
>
> 1) All of my data, and most of my windows settings are
> stored on that partition. Is there anything I can do to
> restore the lost partition to working order AND recover
> the lost data?
>
> 2) When I tried to remove SP2, it did its thing for a
> while, then I get an error "The system cannot find the
> file specified." Clicked OK. "The Service Pack 2 was not
> uninstalled."
>
> Any thoughts out there?
>
> Thanks