Question about Apple MacBook 13"White /2.0Ghz Intel Core2 Duo White/2GB (2x1gb)/80GB/SuperDrive (Z0DT) Mac Notebook

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Macbook & Projectors

Hi: I'm having problems using multiple projectors with my MacBook. When it's connected to a new projector (other than my usual) it often won't display what's on my MacBook's screen. I have the video mirroring turned on and the screen resolutions match, but what seems to happen is that it's treating the projector like an extended desktop, even WITH the video mirroring on. For example - I was doing a powerpoint presentation, then wanted to launch a short video in my VLC player, in order to do that I had to drag the player to my right and drop it on the extended desktop. The cursor disappeared and it was all too embarrassing. Any suggestions on how to fix this. It doesn't happen with every projector - but two out of the last three were truly confounding. Thanks for any help you can provide.

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Hi there
Yep, sounds like the machine thinks it is an additional monitor. So you can run it as that but the mirroring does not work. So the mirroring works with your own projector?

There are a couple of things you can do. Try connecting the projector and power it up when you machine is off and then boot your machine up. If the mirroring still does not work open up your display panel look under arrangement. You should then see two displays. One will have a red line around it. That is your laptop. In the display panel you can then drag the second display over your display and that should have the same effect as mirroring.

That's the low tech first try.

Posted on Sep 23, 2008

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