i need help guys i just got a 2232bw, and i have wierd issue with my 8800gtcard
after a while of usage, be it gaming or watching movie switching fullscreen , my screen move slightly of center, like 2-3mm off screen, once i press the menu button it centered back, its very annoying, what did i set wrong? i'm on latest driver can someone give me his default settings in service menu? i might have screw it up, how to master reset the panel?

here's what my service menu value now ( set brightness and contrast to zero,exit, enter menu and hold SOURCE button)

Monitor time : 205hr
Panel CH. NO. : 0
On time:205hr
Cycle: 531

AUTO AUTO: On
Picelshift: On
Country :English
HDCP hot plug:On
HptPlug Time: 9
Scaler-MCU: Mstar
version : M-PE22B0CDA-1002
CHECKSUM: 6DA4

thanks in advances