MacPro & 30" Cinema Display - Display stays Black at Boot/Will not light up
I just rec'd a MacPro 3.0GHz/8GB/4-500GB and a 30" Cinema Display.
After connecting all of the cables, when I start the Mac, the display remains black. I have also tried another video card and a 23" Cinema Display as well.
The indicator light on the display blink 3 times, and then a short pause. I have reset motherboard, pulled all ram and re-inserted, and swapped video cards and locations.
I have a wireless keyboard and mouse, so resetting PRAM is out because I can't even get to the Register Bluetooth Device screen!
Any ideas on getting things started?
MacPro 3.0GHz/8GB/4-500GB Mac OS X (10.4.7) MacBookPro 2.0GHz/2GB/160GB
The primary card is the std 7300. The other card is an NVIDIA Quadro FX 4500 (PCI Express) from a recently purchased Quad 2.5 G5, that Apple said is compatible.
I have tried the cards in all onfigurations and in all possible slot configs as well, utilizing both DVI ports for each trial.
I have pulled/re-inserted the RAM, and all cable and drive connections.
Still get two short and one slightly longer blinking indicator light on the display, whether the Mac is powered on or not.
Both displays work with other computers attached.
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