Question about Apple MacBook Pro Laptop Computer with Intel Duo Core 15.4 Inch PC Notebook

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Optoma ep721 macbook

Im able to see the projector on my laptop under displays, but the projector keeps searching and just a blue screen. I have the mini to dvi output. any suggestions? thanks

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  • Contributor
  • 25 Answers

Use the menu on the projector to disable auto detect on the input (source).

Posted on Jun 24, 2014

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Posted on Jan 02, 2017

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Clearercape
  • 38 Answers

SOURCE: Macbook & Projectors

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

damien729
  • 221 Answers

SOURCE: macbook recognizes dell projector, but not vice versa

Hello,
Your Macbook should automaticaly find the best resolution, if everything was OK. Is there any HDMI input on the dell projector? What projector is it? Is there is an HDMI input, you can use a HDMI to mini DVI cable: better picture and sound than VGA, and will probably solve your problem

Posted on Jun 27, 2009

kklare
  • 85 Answers

SOURCE: I have connected my macbook to my tv using mini

Later MacBook (Pro) use a mini-DVI connector that does not pass analog needed for composite or S-video. Was yours ever working? And most DVI connectors do not pass sound as seen by your cabling. You cannot detect display through RCA. You just set it in Sys Prefs :: Displays, try some other settings, although your seem right.
I have a white early-2009 MacBook and mini-DVI to HDMI adapter (monoprice <$10) and HDMI cable and have not connected the TOS-link for sound, yet--just slideshows at 1920x1080. You will get a much better picture digitally. -Ken

Posted on Jul 13, 2009

Macs R We
  • 481 Answers

SOURCE: Dell 3400mp not getting signal from Macbook

If you were using the Apple S-video adapter to connect to your Dell projector, please realize that MacBook models with NVIDIA graphics cards do not support this adapter. Otherwise, please be more specific about what model Mac you have and what adapter cable you are using.

Posted on Nov 28, 2009

  • 2 Answers

SOURCE: How can I hook up MacBook Pro with Optoma 1690

You may need a certain connection (MiniDisplay Port to DVI, or MiniDisplay Port to VGA). If you're connecting to an HDMI-compatible projector, you'll need an adapter. You'll also need an adapter if connecting your MDP (MiniDisplay Port) to a DVI or VGA port. Here are some helpful links:
#1 MDP Adapter Video (YouTube)
#2 MDP to HDMI Adapter (RadioShack)
#3 MDP to VGA Adapter (Apple Store)
#4 MDP to DVI Adapter (Apple Store)

http://www.radioshack.com/product/index.jsp?productId=3898890&CAWELAID=447271885

http://store.apple.com/us/product/MB572Z/A

http://store.apple.com/us/product/MB570Z/A







Posted on Mar 23, 2010

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