Drive Dell 3008 WFP From ThunderBolt/Mini-Display Port to Display Port

I am trying to find the reason why my new MBP Retina Display can not drive my 30 inch Dell 3008 WFP Monitor. When I connect them the MBP flickers as if it is detecting the display, but I never get a picture. Does any one know if this is possible, and if not the reasons why ? Should I have chosen a Mini-displayport to DVI or VGA connection instead? Thanks.

Sorry I did not make that clear. Instead of the Thunderbolt/Mini-DisplayPort to Displayport. which is the connection I am trying now with the results described...basically nothing. Monitor knows there is a connection it just says no signal from computer. MPB does not even show the monitor in display prefences. I tried holding option and pressing "Detect Displays" and nothing shows up.

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Simultanious audio output from both mini Displayport and Audio Output port?

Hey guys,
I was wondering if someone who already has audio+video output through the mini displayport set up can be so kind and answer the following questions for me:
Can audio be output simultaniously from 3.5mm audio port as well as the mini displayport? That is, if I output both video and audio to my reciever through the 2010 iMac's mini Diplayport, can i use the standard audio output port to provide line input for a further set of (active) speakers (analog would be fine)?
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Just in case you are wondering why the heck i would wanna do that, here's some background:
I am planning on setting up my new 27' iMac on a 'work' desk in my bedroom, where i can comfortably sit and work on the computer as well as use the beautiful screen as my bedroom TV. Since i also wanna use my mac for all my living room multimedia needs (movies, tv shows, music, etc), i plan on running a long (15m) audio+video HDMI cable all the way up to my reciever in my living room. Furthermore, i am also planning on running a USB cable to the living room (through something of this sort: http://www.coolgear.com/images/171632pro.jpg) plugged in to a usb hub mainly for mouse/keyboard availability in the living room, but also for other things such as external hard drives and so on. The problem is that, apart from having my audio play in the living room, i also want to provide line input to my reference monitors that will be located at the iMac desk and i obviously much prefer i get the line input directly from the mac rather than running a third cable from reciever back to the speakers.
Message was edited by: Leeon

Anyone?
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So re-reading this thread, I now realize you did exactly what I wanted to do but your issue was having a cloned vs. extended desktop. Oops!
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just update my progress...
I had made calls to Apple technical support center in HONG KONG for help...
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Hi
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Drive Dell 3008 WFP From ThunderBolt/Mini-Display Port to Display Port

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