Cannot output video to an LCD projector

I own a week 11 model of the Macbook Pro, and mine cannot ouput to an LCD projector at work. Everytime I hook it up and try to detect displays, I get a signal for almost a second, then it goes out of sync and then the projector tells me the signal is lost or out of sync. Other co-workers of mine own Macbook Pro's (in particular a week 22 model) and they perform fine.
I was told earlier that the early manufactured Macbook Pro's had a defective video out, and I was wondering if anyone had anymore information regarding this.
Macbook Pro (1.54", 2.0 Ghz Intel Duo Core, 2GB RAM) Mac OS X (10.4.6) Firmware 1.0.1

Does someone know what I really need?
In the short term what you need is to post this in the right forum. You posted this in the Panther and earlier OS forum but your computer information says you're using Leopard, but that doesn't matter because this is really a hardware problem and would best be off in the forum for your computer. I'll ask it be moved there.

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When i play back video (formats including DV, DV50, HDV, PRORES422 / interlaced or progressive / frame rates of 23.98 or 29.97) in full screen using Quicktime Player (version 7.4.5) and Present (Shift CMD F) to a projector, the video plays and looks good, with the exception of during certain portions of the video (generally, with a lot of motion), i see either a flicker or what appears to be a scan line, tear, or a trace that scrolls vertically up the image. The flickering/trace is consistent with regard to a particular portion of the video, though when i adjust the refresh rate for the projector, the behavior of the flicker or scrolling trace changes (say at 60hz, it scrolls slowly up vs 85hz where i see mostly flickering/tearing of the image or multiple traces scrolling up). I've tried 3 different projectors, and every combination of screen resolution and refresh rate with no success.
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Shane

Just a fast reply... something to think about...
Use 60hz, most lcd are 60hz. Check you resolution specs for the projector. If the native resolution is 800x600 use that setting if higher use that.....
If your using the lcd as a secondary display try setting the main display to the same specs. Sometime a mismatch between the two displays can cause problems.
Go with the lcd spec settings that's the main priority and the main display isn't.

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Message was edited by: SeaBeast

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Hello all,
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http://support.apple.com/kb/HT4108
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Regards.

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Sorry Walter, but according to the Terms of Use (which you agreed to the first time you logged in to the Discussions and can be found if you click on the "Help" link to the right):
Do not post a URL unless it directly answers a user's question.
The URL you post does not answer David's original question. Also, it could potentially void his warranty because a firmware hack (and this is indeed a link to a "hack") is an unauthorized alteration to the hardware of his computer. ("Software" can only be installed on the hard drive and that hack is not installed on the hard drive, it's installed on the firmware on a chip inside the logic board.)
I don't want to take this thread off-topic, but your reply does NOT help David's situation. I would, however, value your input and anyone else's to this and any other topic in the Discussions as long as it is pertinent to the original subject.
-Doug

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Cannot output video to an LCD projector

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