DVI to Mini Display not working

hi,
i just bought an adapter to go from my DVI 24" VG2030 monitor into my macbook pro's minidisplay port.
i've got everything connected and powered but nothing happens with the display. "detect display" seems to do nothing when i click it and merely restarting the computer doesn't yield detection of the monitor.
i called tech support and established that the monitor is fine. the only thing they said was that it could be the adapter (because i couldn't test it on another computer... i don't know anyone else with a minidisplay port).
is this a bug with 10.5.5 as i have read about many people with this problem ?
if so, is a software update coming soon ? i'm a Visual Effects major at SCAD and have a film to edit and some Houdini work to do, and this 15" screen is killing me.

I've got a similar situation. Mini DisplayPort -> VGA adapter works fine. DisplayPort -> DVI fails to see ViewSonic monitor completely.
On the assumption that it was a fault with the adapter, Apple sent a replacement mini displayport to DVI adapter -- which also fails.
The monitor and monitor's DVI cable work fine with an older PowerBook 17 using the previous generation of adapter.
The monitor clearly sees no input on the DVI cable, and the monitor does not show up in the displays system pref pane regardless of how many times you "detect displays".

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How can I unlock my iPad if I forgot the passcode?
http://www.everymac.com/systems/apple/ipad/ipad-troubleshooting-repair-faq/ipad- how-to-unlock-open-forgot-code-passcode-password-login.html
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http://tinyurl.com/7ndy8tb
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http://ipod.about.com/od/iphonetroubleshooting/a/Iphone-Recovery-Mode.htm
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~~~~~~~~~~~~~
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~~~~~~~~~~~~~
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Hey phil staton, highland,
Thanks for using Apple Support Communities.
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Have a nice day,
Mario

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