Please do the following:
1) Open YaST
2) Click on System->Partitioner, and click yes for the warning (do read it though)
3) Press the PrintScreen key on your keyboard and save the image you get.
It will look like this
4) Click
Cancel
5) To edit your GRUB go to System->Boot Loader
6) Press the PrintScreen key on your keyboard and save the image you get.
Post both images here. Before you mess around with GRUB please read this article, I learnt a LOT from it.
http://www.dedoimedo.com/computers/grub.html