Vista - starcraft problem

ok, so im 17 and dont know much about computers. I have vista on this computer and when I play starcraft it comes up fine and works fine. the only problem is is that the screen is split in half and the bottom half is on the top while the top half is on the bottom!

it does this with fallout and fallout 2 in the exact same manner
i can click and play on everything and it is all in working order, execpt for that one problem.

Ive looked all around for something related to it online but have found nothing. the only problems im seein is color issues.

all thanks to a guy named dave, i was able to fix the problem!

thanks dave!

in case anyone else has this problem

just go to the dang screen adjustment settings on your monitor and mess around, all i had to do was auto adjust, then tweak the screen a bit to get a perfect fit.