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HDTV acting as iMac monitor
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Fresh-Faced Recruit
Join Date: Dec 2009
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Greetings, I am trying to use my new Toshiba HDTV as a monitor for my iMac. I have an HDMI cable going from the TV to a converter into the mini dvi port of my iMac. Problem? No image on TV. I've read the manual with the TV...no help. Are you fabulous enough to help me?
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Clinically Insane
Join Date: Dec 2000
Location: Caught in a web of deceit.
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What's the resolution of the TV? What output resolution from the iMac are you using?
Start with 720p (1280x720 @ 60 Hz) from the iMac just for testing purposes, and if that works then it may be that some of your settings may be wrong the way you tried it before.
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Fresh-Faced Recruit
Join Date: Dec 2009
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OK I have an image but it's half off the TV screen. Not centered in other words. Also no sound even though it's an HDMI cable. We're getting there I think with your help.
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Clinically Insane
Join Date: Dec 2000
Location: Caught in a web of deceit.
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What OS are you using? Snow Leopard has a standard 720p setting built-in. It should work. The 1080i setting in Snow Leopard should also work.
You won't get sound, because DVI does not support sound output.
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Moderator  Join Date: Apr 2000
Location: Gothenburg, Sweden
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TVs often have two settings for the HDMI port - they're called "PC" and "DTV" on mine. It should be set to PC. After that try running the auto-config on the TV.
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The low-end Mac Pro is the most overpriced Mac since the IIvx
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Clinically Insane
Join Date: Dec 2000
Location: Caught in a web of deceit.
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Originally Posted by P 
TVs often have two settings for the HDMI port - they're called "PC" and "DTV" on mine. It should be set to PC. After that try running the auto-config on the TV.
You shouldn't need a PC setting for the 720p and 1080i modes.
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Fresh-Faced Recruit
Join Date: Dec 2009
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I'm using OSX 10.5.8 Damn so now I have to get sound? Seems to me lots of folk are having problems with getting a TV monitor image and something different works for everyone. If only I didn't hate the cable TV company monopoly so much.
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Clinically Insane
Join Date: Dec 2000
Location: Caught in a web of deceit.
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Yeah, 10.5 doesn't have proper HDTV support. It works inconsistently.
10.6 was plug-and-play for me however.
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Moderator Join Date: Apr 2000
Location: Gothenburg, Sweden
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Originally Posted by Eug
You shouldn't need a PC setting for the 720p and 1080i modes.
No, but in my case I did. The Bluray and the receiver work either way, but the PC display was off to the side with the original DTV setting.
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The low-end Mac Pro is the most overpriced Mac since the IIvx
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Fresh-Faced Recruit
Join Date: Dec 2009
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Thanks eug.....so I can expect problems with 10.5 version
?. I have a Snow leopard which I've been afraid to install. Should I? Thanks to all you folks
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