Trouble connecting 23" Cinema Display HD to MacBook Pro

Hello All!
As stated, I am trying to connect my 23" Cinema HD display (Model A1082) to a MacBook Pro 5,2. I purchased and am using a DVI to miniport adapter, have the USB plugged in. The third connector - the firewire - is different (when did THAT happen?), and so is not plugged in.
When I start up the laptop, both screens intermittently flash, blue. I can also intermittently see the startup/login screen on the laptop.
The cinema did seem to do the three equal, short LED flickers, so I have zapped the PRAM. No go.
I also read somewhere, in trying to figure this out, that the power adapter (mine is the issued 90W) on the moniter might be bad, and to consider replacing, going up to the 150W. The test for failure included sniffing it. It does smell bad, but I have no idea what it is supposed to smell like! (The things we do...!)
I should ALSO mention, that two earlier MacBook Pro Models lost video (Logic board?) while connected to this monior, but this may or may not be related.
So my monitor is unusable at this moment, and I don’t want to fry another logic board!
Any help would be appreciated.

The third connector - the firewire - is different (when did THAT happen?), and so is not plugged in.
You probably have a FireWire 800 on your MacBook and a FireWire 400 on the display. The conversion can be effected with a converter cable, but for permanent installation ONLY I recommend this adapter:
http://www.sonnettech.com/product/fw_adapter.html
Sometimes can be found for as little as US$10.
The reason I say this is for permanent installation ONLY is that this adapter appears to grow legs and walk away if not installed permanently. For occasional use, buy a cable adapter.

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