Ok, this is a problem that has me boggled. I'm running XP Pro. Basically, when I boot the computer the screen looks fine, and everything is centered correctly. It gets to the Windows XP starting screen with the little taskbar going back and forth, and everything is fine. Then, when XP starts up and goes to the user login screen, the screen shifts dramatically to the left and is off-center by well over 50%. One way I am able to fix this problem is by going to the Display menu and adjusting the screen resolution to something like 1600X1200 and then saying no to "keep current settings". Sometimes, when it "flashes" back to the previous resolution setting it goes into the correct position. However, this is very rare. I usually have to "flash" it like this well over 50 times before I finally get it to come into sync. Originally, I thought it was a video card problem. I was using a Voodoo 5500 card, and I had problems updating the drivers. I also had alot of problems running several games on that card. So, I got a PNY Verto GEForce 3 Ti500 card in hopes that it would solve the problem. Unfortunately, that didn't do anything. I also tried going into Safe Mode in hopes that re-installing the video card might solve the problem. However, even in Safe Mode, the screen was again shifted WAY left by over 50%. Lastly, I tried entirely re-installing XP. This didn't solve the problem either. I'm really at a loss here. I'm running a 1.0 Gig Hz AMD processor on a ASUS motherboard. Any help on this matter would be greatly appreciated. I'm about to dump XP thinking it's a problem with it, or I thought I may have a motherboard issue. Thanks for your help on the matter.