Retina to Samsung Syncmaster monitor: NO DISPLAY

I have recently bought a Macbook 15" retina. I already had the Samsung monitor display. (syncmaster 2333HD).
But when I'm connecting them with the thunderbolt to HDMI converter, I get no display on my Samsung display, nothing.
The only thing I note, is that my macbooc's screen gives a blue flash when I pull out the cable (thunderbolt).
Can somebody please help me?
Thanks

I'm having the same problem.
Here's what's happening on my end:
Macbook Pro Retina 15" is suppose to 'Plug & Play' easily to Samsung 23" Monitor (syncmaster 2333) using thunderbolt to DVI cable.
This monitor only offers a DVI and VGA ports.
Also, tried using the rMBP's HDMI cable to HDMI-DVI adapter in the Samsung monitor. (same symptoms as with other cable)
rMBP's screen shows blue for a moment when the cable is removed or connected from computer port then goes back to normal screen.
Samsung Moniter's blue power light on the bottom edge of the screen blinks at 1 sec intervals (so power isn't an issue)
After pressing the "Menu" button on the side of the monitor a "test good" message displays in the top left corner for a moment then goes blank. (actual monitor menu does not show)
After pressing the 4th button from the top (looks like a back arrow or return arrow icon) it seems to switch from digital to analog (I think) and a floating message displays "Check Signal Cable" with a red, green, and blue box and "Analog" in the floating box. During this the monitor's blue power light on the edge of the screen is a steady solid blue not blinking anymore.
System Preferences Display doesn't show any indication of sensing another monitor is connected.
I have tried to connect to a Samsung 46" HDTV via HDMI to HDMI port and that works wonderfully yet isn't practical for my desk set up. Just glad to know that something actually worked and I'm not cursed.
Not sure what I'm doing wrong here. Would really like to use this 2nd monitor. Any and all help would be greatly appreciated. I hope I gave enough details.
Thank you in advance!
Cathy

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