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At school there is an HP laptop dedicated to doing presentations on the classroom projector once a week. Recently I changed the display layout from Cloned to Extended, with the projector as a secondary monitor.
That way I could have my notes on the laptop monitor while presenting on the projector. Afterwards I changed the layout back to Cloned using Intel's desktop context submenu.

Since I did that, the projector is not detected automatically anymore; even though in the Intel graphics dialog auto-detection is still enabled. Although I'm under no obligation to fix this, I'd hate to leave my not so technically inclined teacher with a quirky laptop.

The laptop runs XP. I'm at home right now, so I'm unable to check the exact model of the laptop or video card, but I'll post back with that information as soon as I can. Pretty sure it's 82865G based in any case.

Ideas?

EDIT: Between my asking this question and attempting the suggested solutions, the IT guys at school who explained to my teacher how to use the Fn key combos to enable/disable display cloning. She is content with that, so the point is moot now.
Thanks regardless!

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up vote 1 down vote accepted

Try installing/reinstalling the newest version of the graphics driver. also see if theres a "reset defaults" button anywhere.. thats what fixed my thinkpad

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Thank you. Although I will be unable to reinstall any drivers–the school doesn't grant me administrative privileges–I will certainly try the last option if needed. –  oKtosiTe Nov 29 '10 at 23:40
    
haha yea i know how that was.. become friends with the admins.. then you may even get taken out of class when they need an extra hand ;) –  madmaze Nov 30 '10 at 17:21
    
In my case getting taken out of class would be undesirable; I'm purely there to learn a new language and already fairly free to walk in and out as I please. :-) –  oKtosiTe Dec 4 '10 at 18:11
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