I got a new monitor to replace one of the three I had. The old number three was connected via VGA, but the new one only has DP and HDMI, so I moved the VGA plug to the old number two and took the DP to HDMI cable that it had been using and moved it to the new monitor, making it number two. The old number one is still number one, connected via DP. This changed the numbering, so I went into the DF monitor config and changed everything and recreated the splits I wanted and moved the taskbar shortcuts etc.

The problem is that the settings change if I turn off the new monitor. The applications that were on it move to the primary, and the ones on number three end up in weird sizes and sometimes the splits disappear. Also the pinned taskbar shortcuts from number two move to number three and the number three taskbar shortcuts disappear.

I exported the settings after getting things the way I wanted and imported them after everything moved and that restored the taskbar shortcuts, but the splits are gone and I'm getting tired of recreating them.

Is there any way to stop things from changing like this? I tried turning off DDCI in the settings of the new monitor but that didn't help. I disabled everything in DF that looks like it has anything to do with monitor changes but that didn't help. It's a Dell monitor and I installed their Display Manager so I could adjust color and brightness and select different inputs (it's also connected to a game console and a Roku) from the pc instead of having to get up and use the controls on the monitor, and I thought that might be causing the trouble but uninstalling it didn't seem to help. I guess it could be a Windows problem, but I'm pretty sure DF is involved because of the splits disappearing.

Debug info with minimal logging attached.

Yes to both questions.

I've found a workaround that keeps it from doing this sometimes. Instead of turning off the number 2 display port connected monitor I use the Dell display manager software to switch it to an unused hdmi input. It then goes into standy instead of turning off, so the numbers don't get changed, usually. The software can't get it to switch back to the dp input while it's in standby, so I have to use the control on the monitor when I wan't it to come back on.

Thank you for your response.

ps Just noticed something that seems odd to me, when I turn off the number 1 monitor, which is also connected by dp, the numbers stay the same! Windows setup shows it still being there. It's a different brand, perhaps its power switch doesn't really turn it off? It has a usb hub built in, and the power to those ports definitely goes off when the monitor is powered off using the power button.