You might try fdisk /mrb as a last resort before attempting a reformat:
http://support.microsoft.com/kb/q69013/


Jill Haldeman wrote:

> I've been having this problem for some time now, and even though i've =
>been given the ' it's time for a format' line i really can't do that =
>because no documentation was given either time for any computer my =
>father bought.
>
>One: My masterboot record was modified from a virus
>Two: My CD WRITER will NOT show up in anywhere but the device manager =
>ONLY in safe mode .
>Three: I can't start up in normal mode, only safe mode and step by step =
>without booting my CD WRITER drivers.
>Four: Compatiblity mode, how the hell to i bypass it? It won't let me do =
>virtual memory anywhere BUT my external drive , anmd then it's only my =
>external that's maxtor.
>Five: Anyone recomend a decent kernel of linux? XD
>
>                         PCBUILD's List Owners:
>                      Bob Wright<[log in to unmask]>
>                       Drew Dunn<[log in to unmask]>
>
>
>

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