Not able to use boot camp to install windows 10. Diskutil doesn't find any bootcamp related volumes.
I am trying to install windows 10 on my iMac after successfully reviving it from nearly dead situation from past 3 years. Now it is running MacOS High Sierra (that's the latest OD this can run). While trying to install windows through bootcamp, I get an error stating "the startup disk cannot be partitioned or restored to a single partition". Placing screenshot of diskutil list command. Command "diskutil cs list" returns "No CoreStorage logical volume groups found".
Any help to resolve would be highly appreciated.
Note: To revive the iMac I have tried in several ways. One was to make 3 hard drive partitions and install different versions of MacOS. I am not sure if that's the reason for this trouble.
iMac 27", macOS 10.13