We have started experiencing a strange problem after connecting an external projector when we run PowerPoint the frame, menus etc work ok but the "main" window in PowerPoint displays the slide @ 400% zoom - if i try to set it to anything else it goes back to 400%. The slide also flickers (as if the refresh rate is wrong) but the rest of the screen is fine. Word does the same. IE (version 7) does the opposite in that it shrinks the main window to 10% magnification - the rest of the screen (address bar, tool bars, sliders etc remain fine (100%) - if i try to zoom it just goes back to 10%.
I click "Identify" in the Display Settings and the projector screen and the laptop screen both identify as 1. This is on a Dell d610 laptop. I have tried updated video driver (ATI Raedeon 3000) and no luck. Any help would be appreciated.