Editera grub.conf

Default värdet styr vilken kernel/partition systemet bootar från, första raden är 0, andra 1 osv...

http://wiki.linuxquestions.org/wiki/Grub.conf

***** exempel *****

default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu

** alt 0 ***

title Fedora (2.6.23.12-52.fc7PAE)root (hd0,0)
kernel /vmlinuz-2.6.23.12-52.fc7PAE ro root=/dev/VolGroup00/LogVol00rhgb quiet
initrd /initrd-2.6.23.12-52.fc7PAE.img

*** alt 1 ***

title Fedora (2.6.23.12-52.fc7)
root (hd0,0)
kernel /vmlinuz-2.6.23.12-52.fc7 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
initrd /initrd-2.6.23.12-52.fc7.img

*** alt 2 ***

title Fedora (2.6.21-1.3194.fc7)
root (hd0,0)
kernel /vmlinuz-2.6.21-1.3194.fc7 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
initrd /initrd-2.6.21-1.3194.fc7.img