Thats strange. I have up graded and clean installed 3 Laptops and 4 Desktops too 10 and have had zero problems with any of them.
I made sure I had all the drivers and updates done first. That generally makes a difference
Why does Microsoft refuse to officially address the problem of deafening fan noise when you upgrade to Windows 10 ?
Why annoy consumers to upgrade their systems then duck and hide when their PC's start to sound like jet engines even when no programs are running?
I am not alone in this. I'm sure many of you are experiencing the same issue. Win 7 Ultimate worked beautifully ..then came the Win 10 Pro upgrade ...and to quote Bart Simpson it's been "craptacular" ever since.
If you are going to hound the users of your OS to upgrade ...add a freaking warning sticker that lets them know that their PC's will no longer work quietly.