Update 2 I decided to remove all the Dell Support software as I was seeing it show up in the event log and seemed to be waking my machine up at inappropriate times. So far so good. Only been a week but system is performing well (still on windows 10).
Have had this machine for months and immediately upgraded to windows 11. However, I constantly run into power on and walkup issues. At home, I use this connected to an older TB16 (Dell doesn't seem to have anything better).  Summary of consistent (probably half the time I get one of these): I'm up to date with all the latest updates so it's possible that some of the issues above are now fixed. Dell agent replaced my Nvidia driver last week but still not seeing any improvement. Found a thread today to turn off Network Connected in Standby (S0 Low Power Idle).  Read about "modern standby" and wondered if that's why the fans won't turn off. But overall, I'm frustrated that I have had to do so much to deal with this.  By contrast, I also have a macbook pro and it has zero startup/battery problems. Battery life of the Mac is much better and I never question if I'll be able  to use it when I open the lid. I feel like I had some of these same problems early in the windows 10 days and that these problems got resolved. That's why I'm wondering if I should downgrade to windows 10 and wait until Dell and Microsoft get around to finding/fixing all these issues. I'm pretty technical but finding I don't enjoy troubleshooting my computer. I just want to use it.
XPS 17 9170 downgrade to windows 10?