I have been trying to use my lab top to project a presentation and for some reason it will only work with Vista & not XP. My lab top has duel partition with 2 operating systems. I know how to use projectors very well and can not understand why the projector will not work with XP. Please help.
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this is a common problem with projection systems this is the reason that most screens are lined with black felt its non-reflective and works great to hide uneven edges also try balancing out the difference with the keystone adjustment
I believe the problem is that your PowerBook does not have the proper drivers for this projector. The maximum resolution on it should be 1600 x 1200, however Dell only certifies this with (and provides drivers for) Windows XP and Vista. I have been unable to find Macintosh drivers for it, and think it unlikely they exist.
Without the exact drivers, your computer will find the best match. That usually means you cannot use advanced features, such as higher resolutions, with the projector.
Sorry I don't have better news for you. If you perhaps copied your presentation over to a Windows laptop and connected it, it might work. I'm honestly rather disappointed in Dell for not providing Mac drivers for this.
Based on my own experimentation, I have found out that if I click on the “Connect Display” button from the Windows Mobility Centre, it will auto-detect whether a monitor or projector is connected via the external display port. If it does find a display, it presents you with a new screen with an option to “Duplicate my desktop".