Performace drawback

(*3*)(*1*)(*2*)I am having a efficiency factor with a pc that are supposed to now not be having this drawback after all. The pc is very sluggish as well up and close down. Get the spinning wheel so much. Methods are extraordinarily sluggish to reply. Activity Supervisor is appearing the the exhausting power is at 100% more often than not. From time to time it drops down to suitable ranges however it is most commonly at 100%. I see no processes which may be inflicting this. I checked for malware and virus’s, lovely blank. Disabled virtually all startup pieces. Laptop firmware and tool is up-to-the-minute. The Lenovo Vantage app does now not point out any issues of the {hardware}. The RAID set has 1.5Tb loose. I put in Machine Mechanic Professional and wiped clean up some issues. I am virtually at some extent to backup, wipe blank and reinstall the whole lot . So what will also be inflicting this? What can I test? Ideas?

Lenovo Thinkstation P330 Tower
Home windows 10 64 bit
Xeon 3.6Ghz
2 2TB drives in a Raid 1 set
32 Gb ram