Well, heres how i think it out. In w7 the ram and cpu run pretty normal. No 100% all the time maybe for a few seconds at a time, like opening a program. It never goes 100% all the time like w10 does. It also kinda removes any issue with motherboard and psu and the video card. Other items like dvd burners don't apply here as not in use. Same for card readers. So, my thinking almost has to be a hard drive issue. Right now the only thing on that drive is the os and google chrome browser. And the cpu goes right back to 100% most of the time. If everything being equal, only thing left is hard drive. I had thought about a bigger drive and a ssd anyway so i can do that now and see if this is the issue. If it does then i am ok. If not.. i don't want to go there. If this don't do it i am at a loss as to what it could be. With nothing but os and chrome with nothing else. No other programs, it almost has to be harddrive. Thats my thinking. When i get the new drive, we will see. For the life of me i can't think of anything else that could be causing it. Will let you know when i get the drive. Wd66