Pointless_Noise

So I come into work this morning and my graphics are pretty messed up, My desktop extends off the side of my screen at any resolution higher than 1024x768 if I move my mouse to the side/bottom of the screen it scrolls across to reveal the rest of the desktop. the graphics card is a rubbish integrated SIS 330 mirage and the monitors a Hannspree Xm-S I've tried re-installing and rolling back the drivers I just don't get why its suddenly changed I haven't done anything to it. also if you press the menu button on the front of the monitor it informs me that im running the monitor at 1024x768 whatever resolution on the windows display bit and you can't change the monitors res manually so I originally thought it was the monitor and switched it for a spare but the same problem happens on that one 2 (different make and model) so it must be the GFX right?

any help would be appreciated