Edit the file /boot/grub/grub.conf
On the kernel line append this to the end of it rhgb
Like so...
title Fedora Core (2.4.22-1.2135.nptl)
root (hd0,0)
kernel /vmlinuz-2.4.22-1.2135.nptl ro root=LABEL=/ hdc=ide-scsi
rhgb
initrd /initrd-2.4.22-1.2135.nptl.img
"Please note that the lines may wrap, the kernel line is ONE line"
Mark