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I have 2 Windows 10 units:
- Dell XPS 8900 with Dell 24" Monitor. Win 10 Home
- Dell Latitude 7490. Win 10 Pro LTS
Units both are set to have monitors sleep after 10mins. Both will do that, but both seem wake up after ~5-10 mins or so, then go back to sleep, and repeat.
It's not a system sleep - that works as expected. There isn't any logging or utilities to see why these monitors sleep/wake. Thinking its possibly very small mouse movements - but I live on a busy road near rail and even when something big goes by, it doesn't wake. Further the laptop only has the trackpad attached so probably not mouse related.
Anyone solve something similar, having a 24" monitor light up your home randomly all night is troublesome.
Thanks.
I solved (mitigated) on my desktop more or less accidentally by getting a new mouse w/pad. It looks like the Dell 4-level sensitively mouse was causing the wake ups (even on “dull” setting). Got a new mouse and pad and the issue stopped. The Latitude still does it so looks like different causes. – zolonman – 2019-08-25T22:51:59.397