How to connect Macbook to LG 42PQ30 using Mini DVi to HDMI??

Hi,
I have a unibody macbook. I am using a mini dvi to hdmi(1.3b) connector to connect to my new LG 42PQ30 plasma tv. It gives me a black screen with the message "No Signal" hovering around the screen. Please let me know about any solutions that you have. Thanks.

Go into Displays preferences on the Mac and make sure a compatible timing is being sent to the TV.

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I went through the posts, so I'm sure this is a stupid question, but:
I have a mini-dvi to video adapter for my powerbook, which I want to connect to my TV. What's the extra cable I need to connect the adapter to the TV?

"I'm hoping that simply connecting the two via a firewire cable will create some sort of mini-network?... but that sounds to easy..."
But it is that easy. Network the iBook and PowerBook via IP over FireWire:
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The best option is an appointment at an Apple store genius bar. The evaluation will be for FREE!
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I have a late 2008 white macbook. I have a mini dvi to hdmi adapter, and a hdmi cord. My cannot get my MB to detect an external monitor. Nothing happens when plugged in. Also, my display settings does not have an option for mirroring or arrangment tab

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Yeah, I'm having the same exact problem - It seems that the thunderbolt minidisplay port is only able to output the analog VGA signal, not the digital signal to support DVI and HDMI. This is a bug that came up after installing 10.7.1. I bought my macbook air with 10.7 on it, upgraded it to 10.7.1 as soon as I got it, so I have never been able to use hdmi or dvi with my macbook air. This is an extremely frustrating problem for me, I used HDMI on a daily basis with my PC. I have spent many hours at the genius bar running diagnostic tests so Apple can get as much information as possible to create a fix for this problem. I have been emailing tech support for 3 or so weeks now, they keep saying that they are working on a fix and it should be out soon, but 10.7.2 has come and gone and I still have no HDMI functionality with my MacBook Air!

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Hello clamb1993,
Thank you for using Apple Support Communities.
You can use the following article to troubleshoot your HDMI out connection:
Apple computers: Troubleshooting issues with video on internal or external displays
Regards,
Jeff D.

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IF your white MB has a miniDVI output, one of these should do the trick...
http://store.apple.com/us/product/M9320G/A?fnode=MTY1NDA3Ng&mco=MjE0ODQzNQ
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It depends which MPB you have and the inputs on the TV. The following assumes your TV has an HDMI input which will work with a computer.
This is if your MBP is from April 2010 or newer:
http://support.apple.com/kb/HT4241
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You can now use your MacBook in Clamshell Mode with a wired or Bluetooth keyboard and mouse. http://support.apple.com/kb/HT3131 When you disconnect from the TV your Menu Bar will automatically change back to the MacBook.
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How to connect Macbook to LG 42PQ30 using Mini DVi to HDMI??

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