I just bought a 19" flat panel display, and spent a little extra to get a model that has VGA and DVI inputs (a Princeton LCD1950). It works fine on any machine I try if I connect it using a DVI-VGA adapter and a VGA cable, but if I connect it using the DVI cable that came with the monitor I get nothing. I've tried it using both a newer PowerBook and a mini, and neither recognize that a display is even there.
I stopped at a local Apple shop with the PowerBook and hooked it up to an Apple Cinema Display, and it worked fine, so I know the output from the DVI port is ok.
One thing I have noticed is that the Apple-supplied adapter and the connector on the Cinema display have four pins -- above and below the wide flat pin -- that the DVI cable from Princeton does not have. The PowerBook's DVI port has a matching set of sockets there as well. Is that the reason it doesn't work on the third-party display? Is there any way I can use the digital input on this monitor, or should I have saved a few bucks and got a VGA-only display?
Anybody else using DVI on Apple machines?
I asked this same question on one of the Apple discussion forums and have heard nothing but deafening silence.
This isn't necessarily a hack, mainly a "does it work?" and "how can I get it to work?" question, but none of the other forum categories seemed to fit.