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MacMini to HDTV problem

 
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AcoustiPlaya
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PostPosted: Sun Nov 27, 2005 11:33 pm    Post subject: MacMini to HDTV problem Reply with quote

Hey there...
So i have a 42" lcd projection sony hdtv and just recently purchased and hooked up a mac mini to it. Im using a dvi to hdmi cord and the picture looks amazing, but there is one problem. The macmini output is centered on the tv screnn, but there is about a 1 inch margin of black around the screen that is not being used, how can i change the resolution of the output to fill up the entire screen?
thanks for your help

patrick
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OGN
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PostPosted: Mon Nov 28, 2005 12:16 am    Post subject: Reply with quote

That sounds like an overscan/underscan issue. Have you tried going into Displays, Options, and selecting Overscan?
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AcoustiPlaya
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PostPosted: Mon Nov 28, 2005 12:53 am    Post subject: Reply with quote

im new to the whole mac thing, but i do not see an 'options' tab or button in displays
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OGN
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PostPosted: Mon Nov 28, 2005 1:20 am    Post subject: Reply with quote

It looks like your TV doesn't support overscanning.

http://docs.info.apple.com/article.html?artnum=151827


I guess you could try DisplayConfigX.

http://www.3dexpress.de/#Overscan
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maxmundi
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PostPosted: Sun Dec 11, 2005 6:14 pm    Post subject: Reply with quote

Finally, someone with the exact same problems as me.

I have about and inch of black space when running at 1280x720, via DVI, which is the resolution I want. All other resolutions available on the Mini produce excessive overscan.

I've trid DisplayConfigX and SwitchRes but cannot for the life of it figure it out. I guess my TV (Philips 32'' LCD) supports overscan 'cause the option is there.

Does anyone have any suggestion on how to troubleshoot this?

(it's driving me nuts Laughing )
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AcoustiPlaya
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PostPosted: Sun Dec 11, 2005 6:19 pm    Post subject: Reply with quote

i am unfortuantely growing used to that stupid black border... someone please help us
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picaman
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PostPosted: Sun Dec 11, 2005 6:27 pm    Post subject: Reply with quote

I hate to send you off to another forum, but it looks like it might be necessary:

http://discussions.apple.com/forum.jspa?forumID=761

There's a poster named Tom Fussy there that seems to be a genius at all this...you might start by searching for his posts. Please post back here if you get a good answer.

Smile

Jamie
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phatbhuda
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PostPosted: Thu Dec 22, 2005 2:57 pm    Post subject: Reply with quote

I have a Viewsonic 2750w TV, and I'm using it with my mac mini through DVI.

I originally had the TV set up for 16:9 image ratio and the Mac Mini set to the native resolution of the screen with overscan off. I was getting black borders on all 4 sides of the picture.

I finally figured out the combination of the same resolution, overscan on, and the TV ratio set to 1:1 works perfectly!
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Scarpad
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PostPosted: Mon Jan 09, 2006 1:49 pm    Post subject: Reply with quote

phatbhuda wrote:
I have a Viewsonic 2750w TV, and I'm using it with my mac mini through DVI.

I originally had the TV set up for 16:9 image ratio and the Mac Mini set to the native resolution of the screen with overscan off. I was getting black borders on all 4 sides of the picture.

I finally figured out the combination of the same resolution, overscan on, and the TV ratio set to 1:1 works perfectly!


The Viewsonic is a rare LCD whose native res is 1280x720p most do 1368x768
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