lost cluster at io.sys file stopping boot

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From: Licensed to Quill (fountainpen_at_amexol.net)
Date: 06/26/04 

Date: Sat, 26 Jun 2004 10:12:13 -0400

(SEE OTHER THREADS, - or don't bother as this is reasonably
self-explanatory)

I think I have traced the problem I was having to what Norton Disc Doctor
told me was a lost cluster in the io.sys file which seems bad enough
(curiously it reported what it thinks is a corrupted io.sys file as a
non-critical error which is a bit mysterious?). It surely would cause the
system to not boot? (the mobo manufacturer claims that windows 2000 is
designed to work equally with all sorts of different disc controllers and
that updating some controller driver is never the cause of a non-boot
problem)

What I was wondering is whether I can merely copy an io.sys backup file to
the root or if there is some more full method of making the disc bootable
again which I need to use (such as running SFC /scannow from a Windows 98
boot disc, as suggested elsewhere, presumably checking the boot files?). Is
there a way of running setup from the i386 directory on a CD to reinstall
just the boot files and/or check all files including the boot files in
WIndows 2000?

FP

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