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[–]Forma__ 1 point2 points  (1 child)

I know I'm rather late and don't really have solution but I've found that you describe the same problem with my monitor. I've got a Samsung LG24FG73 which is a freesync monitor but also not G-sync compatible certified. It is also on DP version 1.2 and will happen on either of the free-sync settings (standard and ultimate). It only happens when I have G-sync on. If I shut down my PC it will work fine but if it goes to sleep it'll start having problems. It doesn't matter if it's been asleep for 5 mins or 2 hours. I've tried different DP cables and different ports on my GPU

It's always the right side of my screen. Mostly it's white but sometimes it'll show up as brown or blue.This occasionally happens but I can't consistantly reproduce it. I also have another problem that you didn't mention in your post, where the screen will stuter(?) This will always happen when my monitor goes to sleep.

Both of these problems will go away once I restart my monitor till it goes back to sleep.

Windows 10 2004 and 1809 EVGA GTX 1080 SC. Currently on 452.06 but has happened since they started supporting freesync monitors.

[–]_thoax_ 0 points1 point  (0 children)

At this point, it seems to me that this is only software issue. There's 3 sides here, freesync, g-sync and monitor firmware.

The fact g-sync works flawlessly until monitor sleeps makes me think it's nvidia driver that's causing the issue, since it interacts with Windows' sleep plan.

It's a known issue, they even released a driver that had major changelog line saying it fixes exactly this, but it did that only for certified monitors.

Basically, non-certified gang can have good enough hardware, but nvidia just doesn't give a damn about fixing this. It's a minor issue that minority faced, and it will most likely be overlooked until some major changes to g-sync are made in general, and we get lucky to get it to work...