Hi,
You can't without third-party help, and Partition Magic is the only program
I know of that can do this non-destructively. However, I doubt that the file
system is the problem here, but it's hard to judge without a more complete
description of the problem.
--
Best of Luck,
Rick Rogers, aka "Nutcase" - Microsoft MVP
Associate Expert - WindowsXP Expert Zone
Windows help -
www.rickrogers.org