Hello Hotlava.. I'm Greg, 10 years awarded Windows MVP, here to help you.
To close lid while keeping external monitor on in Windows 11:
https://allthings.how/how-to-close-laptop-and-u...
https://gearupwindows.com/how-to-keep-laptop-on...
https://www.youtube.com/watch?v=ASnmgwM1dpo
https://www.youtube.com/watch?v=hAZL_gSAq-Q
To find the High Performance Power Plan if it's not listed see here:
https://thegeekpage.com/restore-missing-high-pe...
https://www.majorgeeks.com/content/page/how_to_...
https://www.youtube.com/watch?v=AFPMsq2YwKA
Feel free to ask back any questions. Based on the results you post back I may have other suggestions if necessary.
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