This is to be expected if you use non-accelerated effects or third party effects. Hardware MPE is only useful if you use accelerated effects.
The easiest way to make sure your video card is working, is by downloading the PPBM5 Benchmark file and opening the H.264 timeline. By far the most parts of the timeline are yellow and only small parts are red if everything is OK.
Also, you have to turn MPE hardware acceleration ON for projects that were started before you had MPE hardware acceleration. Use the project pull down menu Project > Project settings. That will bring up a dialog where you can turn MPE hardware acceleration on.
I have the acceleration enabled.
so he has already done what you suggested. Nevertheless, a valid remark.
Harm mine was the other way round, i.e. small parts were yellow but the majority was red.
In the meantime until I can figure this out, I've had to re-install my old video card which is far quicker at rendering the red parts. I have 6 projects I have to get out for clients before Christmas.
The other thing I don't understand is how to watch a preview on a standard TV (HDMI) at the same time as the preview monitor. Most of the nVidia cards recommended by Adobe only support 2 monitors, not 3.
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If you want a third monitor you have to install a second graphics card which runs under the same driver as the 570.
Thanks Ann, I thought that might be the case,