Hi Kevin, Trashing my prefs seemed to help a bit. But it still drops frames. I have three monitors... 2 for PP and 1 for a 4K program monitor. After trashing the prefs, I had to re-enable Mercury Transmit for the program monitor... when I did that everything fell apart, so... I turned it off and it worked better... then I turned it back on again and it is still better. So, at least I am moving forward for now although still dropping frames. I have to leave this until tomorrow but hopefully this might help provide some info to solve my problems. I still haven't backed up to older drivers yet, so I'll give that a go. Thanks for the help, I hope we can figure this out so that it works a well as before. 🙂 Thanks, C
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