do you have enough vram? i have a geforce2 and with it the 20" works. i friend of mine has the stock video card, and tried the 20' monitor with the same results. g On Apr 6, 2005, at 9:29 AM, witkowsk at cshl.edu wrote: > I have just tried to link a 20" Cinema Display to a Cube, using the > Belkin DVI-ADC adaptor, but the monitor remains blank. However, on > restarting the Cube, the monitor shows the startup screen (grey, dark > grey apple, progress circle), all looking fine. So the monitor is > working and the adaptor is working. But then the screen goes black as > the Cube goes to display the next screen in the startup process. Any > suggestions? > -- > Jan A. Witkowski, Ph.D.