I have a strange problem. When I play some games, such as Diablo II - Lord of Destruction, the screen shifts to the right so that two inches can't be seen when I try to use 800x600 mode.

My system specs (concerning video):
ASUS K7M motherboard w/ 128MB RAM
Rage Fury MAXX 64MB AGP video card
Decaview G387 Monitor
DirectX 8.0
Latest VIA 4in1
Screen: 1024x768 85Hz


Any ideas ??

TIA