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DVI to Video Adapter doesn't work with projector?

 
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mycombs
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PostPosted: Sun Nov 06, 2005 10:31 pm    Post subject: DVI to Video Adapter doesn't work with projector? Reply with quote
I just bought the Apple DVI to Video Adapter, and tried using it to send a video signal to my projector, via the yellow video cable. When I plug it in, the projector quickly flashes the text "video input" then goes right back to "no signal" and that's as far as it goes. It seems that the signal coming from my mini doesn't work with my projector, any ideas? I dropped the resolution on the computer to 800x600, and it didn't make a difference.
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curt
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PostPosted: Mon Nov 07, 2005 9:24 pm    Post subject: Reply with quote
Do you have Overscan checked in Systems Preferences > Displays > Options???
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mycombs
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PostPosted: Sun Nov 13, 2005 2:42 pm    Post subject: Still not working Reply with quote
Well, I looked at my system pref>displays and I don't have an "options" (OSx 10.4.3) So I searched the Mac Help files for "overscanning" and found a page about hooking up a TV to my computer. The only useful info was to turn off the computer, hook up the projector via the adapter and turn it all on. It almost worked; the projector displayed "S-Video connected" twice, but it never actually worked and reverted to "no signal" in the end. So I still have no output to the projector from my mac mini. And no overscan options in my display prefs. Any more ideas out there?
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KF4WM
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PostPosted: Tue Nov 15, 2005 12:07 am    Post subject: Re: Still not working Reply with quote
mycombs wrote:
Well, I looked at my system pref>displays and I don't have an "options" (OSx 10.4.3) So I searched the Mac Help files for "overscanning" and found a page about hooking up a TV to my computer. The only useful info was to turn off the computer, hook up the projector via the adapter and turn it all on. It almost worked; the projector displayed "S-Video connected" twice, but it never actually worked and reverted to "no signal" in the end. So I still have no output to the projector from my mac mini. And no overscan options in my display prefs. Any more ideas out there?


I am also having a problem outputing from DVI to my video projector. Maybe some can help.
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OGN
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PostPosted: Tue Nov 15, 2005 1:11 am    Post subject: Reply with quote
Are you guys turning your projector on before the Mac mini? That might help things out. Make sure the resolution and refresh rates in System Preferences > Displays match the projectors native settings. You should try lowering the resolution to 640 X 480 or 800 X 600 if it still doesn't work.
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KF4WM
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PostPosted: Tue Nov 15, 2005 3:07 pm    Post subject: Reply with quote
OGN wrote:
Are you guys turning your projector on before the Mac mini? That might help things out. Make sure the resolution and refresh rates in System Preferences > Displays match the projectors native settings. You should try lowering the resolution to 640 X 480 or 800 X 600 if it still doesn't work.


Thanks for the info. You are right on.
Attach VGA cable from Mini-Mac to projector. Turn the projector on first, select "Computer". Then turn Mini-Mac on. Works like a charm. I can now turn off the prjector and then turn it on and the connection is still there.

Thanks again for the help
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OGN
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PostPosted: Tue Nov 15, 2005 6:27 pm    Post subject: Reply with quote
KF4WM wrote:
OGN wrote:
Are you guys turning your projector on before the Mac mini? That might help things out. Make sure the resolution and refresh rates in System Preferences > Displays match the projectors native settings. You should try lowering the resolution to 640 X 480 or 800 X 600 if it still doesn't work.


Thanks for the info. You are right on.
Attach VGA cable from Mini-Mac to projector. Turn the projector on first, select "Computer". Then turn Mini-Mac on. Works like a charm. I can now turn off the prjector and then turn it on and the connection is still there.

Thanks again for the help


Glad it worked out! Very Happy
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nightstriker424
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PostPosted: Tue Nov 15, 2005 6:38 pm    Post subject: Reply with quote
when i hook up my projector to my mini it looks purpleish and onl part of the screen shows up like the upper left corner
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Ranter
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PostPosted: Tue Nov 15, 2005 6:49 pm    Post subject: Reply with quote
nightstriker424 wrote:
when i hook up my projector to my mini it looks purpleish and onl part of the screen shows up like the upper left corner

this sounds like your Mini is set for a higher screen resolution than your projector supports.

Preferences > Displays
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OGN
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PostPosted: Tue Nov 15, 2005 6:51 pm    Post subject: Reply with quote
Ranter wrote:
nightstriker424 wrote:
when i hook up my projector to my mini it looks purpleish and onl part of the screen shows up like the upper left corner

this sounds like your Mini is set for a higher screen resolution than your projector supports.

Preferences > Displays


I bet you're right. Try lowering it to 800 X 600 or 1024 X 768.
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