Hi Lea, It might sound like really nasty advice, but so-called “personal computers” (which includes Apple - especially lately in my book) are being viewed as obsolete after some 3 years +. Yours is now double that age. Could that be the underlying issue? All the best, Klaus On Nov 4, 2014, at 10:28 PM, Lea Murphy <lea@xxxxxxxxxxxxx> wrote: > Perhaps someone on this list has experienced this and can help. > > I'm using an early 2008 Mac Pro tower with Mavericks installed. Up until this morning I used two Apple Cinema displays. My secondary monitor, a 20 inch Apple Cinema, gave up the ship yesterday and wouldn't give a picture at all today. > > I purchased a Dell ultra high resolution, not 4K, monitor, brought it home, hooked it up VGA to DMI and despite messing in my preferences I could never get the screen on the second monitor to look natural and not stretched. > > At the recommendation of tech-support I went with a DMI to HDMI cable, skipping VGA completely, and couldn't get a picture on the second monitor at all. > > Am I missing something?Surely there's a monitor out there of high resolution that will work on my older computer. > > I'm open to suggestions, ideas, troubleshooting workarounds. > > Thanks for any help you can offer. > > Lea > > your kids . my camera . we'll click