FDC = floppy disk controller. At the first sight of it, this is a pure hardware error, that has to be repaired by a tech.
Hits at http://www.google.nl/search?hl=nl&ie=UTF-8&oe=UTF-8&q=fdc+failure&lr= will give you a second sight.
Kees
When I turn my computer on, it starts up and then stops with a message FDC failure, press F1 to resume. When I press F1 to resume, sometimes it will continue and load windows, other times it just continues relooping back to FDC failure message. Other times I won't get the message and it will load windows. What is wrong?

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