Hi-
Could you check your system profiler for graphics, and post the model of the card that you have? The stock card is the Rage 128 with the following specs:
-ATI RAGE 128 Pro graphics card with 16MB of SDRAM graphics memory installed in a dedicated AGP 2X graphics slot
-Support for up to 1920– by 1200–pixel resolution at 32 bits per pixel (millions of colors)
-Apple Display Connector (ADC); carries analog and digital video, USB, and power
-15–pin mini D–Sub VGA connector
You say you have a DVI port (along with ADC) so, I want to clarify the card model.
You also state that the display worked once- in what configuration? Connected alone? Through the Dr. Bott's DVIator? That means from the DVI port to an ADC connector on the screen (but the 22" is a DVI connection)?
I found the following quote on the Dr. Bott's page:
However, the ATI Rage 128 card will not work with the 20", the 22" and the 23" Cinema Displays
To clear up confusion (mine), please carefully check your profiler, compare the ports of your card to the Display compatibility link (in above post), and let me know the results (what you have), along with a description of what connects to what. A model number for the display would also help.
Generally speaking, when a display goes black after the gray screen, the graphics card isn't compatible, or the necessary software/drivers are not installed.
G4AGP(450)Sawtooth, 2ghz PowerLogix, 2gbRAM, 300gbSATA+160gbATA, ATI Radeon 9800 Mac OS X (10.4.8) Pioneer DVR-109, ExtHD 160gb x2, 23"Cinema Display, Ratoc USB2.0, Nikon Coolscan
