Hello I have Lightroom Classic CC (recently updated) running Windows 10 (also up to date) with a Nvidia GeForce GTX 1050 video card (driver recently updated) on a ridiculously capable PC -- a Dell T3610 with 32 Gbytes ram and a 6 core 3.5 Ghz processor. (Found it at a scrap sale. They really didn't know what they had.)
The Nvidia card is connected to two monitors, an NEC 1920X1200 in portrait mode, and an NEC 4K in landscape.
I'm using the midi2lr plugin to control LR with a BCF2000 midi controller (found on ebay for surprisingly cheap).
Everything works great, response from Lightroom is phenomenal.
I'm running into a problem I've never had before, having used Lightroom for a number of years on several machines. With this setup, if I have Lightroom and the midi2lr applet up, and then play a video (for instance, a Lightroom or Photoshop how-to video for something I'm trying to accomplish) in Firefox, suddenly both screens will go black, and shortly after that will go on standby, like they've lost the signal from the video card.
Sound continues to work but no video.
I haven't found a key combination that will bring it back. The only thing that fixes it so far is a hard reboot.
This has only ever happened if I am using Lightroom and have Firefox up at the same time playing video. No other combination of applications seems to do it, and with the memory I have in this machine, I may have Firefox open to my Zenfolio account, email up, this community up, a photo viewer to check the photo after export, and maybe one or two other things, with no problems. But the moment I play a video, boom, blackness. Dismissing Lightroom and *then* playing the tutorial works fine.
I've searched online but haven't found a root cause for this yet. I'm thinking that since Lightroom is using the GPU in the video card to speed up rendering, maybe there's some interaction going on between LR and the video player? Has anyone else run into this?
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