grub error out of disk

[factorialpython]

grub error out of disk; so cqn boot CO?PUTER; stqrt zith live CD;
sudo fdisk -l

Disque /dev/sda: 20.4 Go, 20416757760 octets
255 têtes, 63 secteurs/piste, 2482 cylindres
Unités = cylindres de 16065 * 512 = 8225280 octets
Identifiant de disque : 0x000b15a6

Périphérique Amorce Début Fin Blocs Id Système
/dev/sda1 * 1 2373 19061091 83 Linux
/dev/sda2 2374 2482 875542+ 5 Etendue
/dev/sda5 2374 2482 875511 82 Linux swap / Solaris

what can i do to get it to work properly9i i am a super newbie got this results fro, watching videos

[oldfred]

I would try to reinstall grub.

How to restore the Ubuntu/XP/Vista/7 bootloader (Updated for Ubuntu 9.10) - talsemgeest
http://ubuntuforums.org/showthread.php?t=1014708
Reinstall grub2 - Short version & full chroot version
https://help.ubuntu.com/community/Grub2#Reinstalling%20GRUB2

Some other suggestions but the line numbers have changed with newer version of grub2.
http://sourceforge.net/apps/mediawiki/bootinfoscript/index.php?title=Boot_Problems:Out_Of_Disk