Thanks everybody! Yes, the internal drives are brand new with a fresh 10.5.8 and all updates and all apps newly installed (Adobe CS2). Seller cleaned the inside of the G5 very well, no dust evident, but I'll pull, clean, and reseat the video card and see if anything improves. Already tried the monitor's cable on both DVI ports on the video card with no improvement.
If cleaning and reseating the video card doesn't work I'll consider swapping out things with the other G5, though I hate to open it up, since it's in a tight place, working so well, and is in heavy use every day. Almost would rather just buy another video card and try it first (thanks for the Radeon X800 XT Mac recommendation Tina), but I guess you have to do what needs to be done sometimes. Re Ebay: I pick sellers very carefully, always making sure it's the original owner, 100% good feedback, that he/she answers all questions quickly and well, and seems like a straight guy/gal all around. Am never in a hurry to buy, either---there's always another one coming along. Nor do I buy from dealers with ten thousand sales, stock pictures, and all the other earmarks of the typical ignorant surplus/ bottom feeder sellers. Result has been no problems so far, in several years of buying (knocking on wood). Tom -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list