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Why can't I get an image to load on my projector?

I'm having trouble getting an image up on my Optoma EP719 H projector from my computer. I have a 2013 Macbook Pro and it's connected to the Projector through the VGA1 port using a VGA cable with an adapter going into the DVI port on my Mac. My computer is recognizing the projector as a display but the projector is not recognizing the computer and no image is loading. I've made sure all the cords are properly connected and I'm using the right source, but still nothing. Any ideas what could be wrong?

Posted by Anonymous on

4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Apple Macbook pro video out to VGA port ("d-sub") on Optoma

There's no solution. it will not connect with macbook pro or any other mac. as on the phone with all technicians and they do not know what to do. I had the unit replaced and still would not connect.

Posted on May 26, 2008

  • 1 Answer

SOURCE: I recently acquired an optoma ezPro 585 LCD

did you figure this prob out? I have virtually the same prob, except mine says "invalid source"

Posted on Jul 10, 2011

  • 32 Answers

SOURCE: no display

Try a restart with the projector still connected. See if it detects it after a restart.

Posted on Aug 25, 2012

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You can download the required installation drivers from manufacturer's site by clicking this link

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1 Answer

Optoma ep719 will not power up


Try this:
There is a stuffed 10v 3300uf capacitor on the power board. You need to replace it.
Bellow you can check in the picture where the capacitor is located.
0f5b76c.jpg
Notice that in this picture I have already took the bad capacitor out and replaced with two small cords to reach the bottom and test the new capacitor.
To reach this place is not fast, several layers of plastic and metal must be removed, but is not a hard task to take the capacitor out and replace it for another.
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1 Answer

Optoma DLP EP719


Try this: There is a stuffed 10v 3300uf capacitor on the power board. You need to replace it.
Bellow you can check in the picture where the capacitor is located.
0f5b76c.jpg
Notice that in this picture I have already took the bad capacitor out and replaced with two small cords to reach the bottom and test the new capacitor.
To reach this place is not fast, several layers of plastic and metal must be removed, but is not a hard task to take the capacitor out and replace it for another.
It works just great! Now it is back on track with awesome image.

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1 Answer

Vertical white line


My EP719 had the same problem. Did it once, briefly, soon after I bought it, then not again until recently, when the line came back more frequently and wider.

 

The projector was 20 days past warranty, and the company would not honor. So much for customer satisfaction and loyalty. Last piece of Optoma equipment I will ever buy!

 

Anyway, I found a web item on another model of Optoma projector with the same problem. The solution this guy tried was -- I kid you not -- rapping on the thing. With nothing to lose, I tried this on mine. Tapped lightly on the top and noticed a change in the width of the line. Hmmm ... it was sensitive to this.

 

Tapped harder. The line got narrower. Rapped pretty hard -- thump! -- and the line disappeared.

 

Since then I have been running the projector for hours, turning it on and off, letting it cool down, starting it up again. And the line seems to be gone. It may come back, of course, so this gonzo fix may not be permament. But if it works while I'm using it at a presentation, think of the amusement it will cause!

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