Have you done a 'detect displays' with the projector plugged in? I have the original 17" and with at least some external displays, I get different resolution options depending on whether the external is mirroring what's on the PB display or operating as an independent, second display. On Apr 18, 2005, at 8:54 AM, Robert Tillyard wrote: > I'm using a VGA cable attached to the PowerBook's DVI-VGA adaptor, I > can also use S-Video but don't have a cable with me at present. > > The problem seems to be that I have no way of outputting 1024x768 if > Display Preferences doesn't think the external screen supports it, the > Projector is an old model (Philips Hopper SV10) and so probably > doesn't support plug-n-pray options like many modern LCD's do.