Well, then would could it be? Like I said I was running both Premiere CS5.5 AND the latest Premiere CC trial, with the same stuttery results. So I've tried rolling back drivers, trying them on both versions of old and new Premiere. I also thought maybe I was drawing too much GPU on multiple monitors ('I'm running 3, but only 2 for Premiere) so I disabled the external monitor(s), with same bad results. I went back to my AMD Radeon card, and it all works great. I have 24 GB Ram with a Ryzen 1700 8 core, 16thread machine. Today, I just put in a WD Black 4TB drive for my camera media, upgraded from a WD green, and still ,same result. My OS and Premiere App is on a WD Black m.2 NVME SSD drive. I'm barely breaking 30% use on either, CPU, GPU or RAM when I play the timeline that drops frames. Could it be I'm drawing too much power from my PSU with the GTX 1070? It's the proprietary 450W PSU that Dell shipped. Could I be going over power limits? What would be the symtoms? It wouldn't be dropping frames, right? Wouldn't it be more like system crashing? By the way, I contacted Nvidia about possibly replacing the card, they asked me if i'm having problem playing games, since they claim Adobe Premiere is not officially approved for the GTX 1070, so I downloaded some game demos (I don't play games, so wasn't sure what else to try) and the demos played without dropping frames. I give up. Why doesn't my system like this damn GeForce GTX 1070?
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