"Frustrated Dad!!" Frustrated wrote in
message ...

I have a PC that runs Windows 98. My son has deleted some files (he
doesn't
know which ones) and consequently now when the PC starts up it has an
error
message on screen "Invalid system disk - Replace the disk and then press
any
key".

This DOS message says system code cannot be found
on whichever disk(s) BIOS has searched -- easily cured
by booting DOS from a floppy then
A\SYS C:

I've tried to reinstall Windows 98 but with no success. Would be grateful
for any advice as to how to resolve this.

To reinstal Win98 do homework first at
http://home.satx.rr.com/badour/html/w98_restore.html

--
Don Phillipson
Carlsbad Springs
(Ottawa, Canada)