Hopefully your HW issue gets figured out
RE: an anecdote to Windows resiliency.
Believe it or not, my 5900X box has been running the same Windows 7* install and just going with the in place Windows upgrades since Windows 8.
Started it on i7 920 -> i5 2500K -> i7 2700K -> i7 4790K -> Ryzen 9 3900X -> Ryzen 9 5900X
* because, looking back, Win7 to 8.1 Pro, which I did, did remove *most* programs, so I suppose it was more a semi-fresh install than an upgrade?
If you have a DVD with Windows 8.1 you can use it to upgrade your Windows 7 PC, if it meets the necessary requirements. Before you go ahead with the process, there's lots of preparation work you should take into consideration. That's why I recommend that you read this guide and make make sure...
www.digitalcitizen.life
This wikiHow teaches you how to upgrade your Windows 7 PC to Windows 8 using a DVD or by downloading the Microsoft Upgrade Assistant Tool. Insert the Windows 8 DVD into your Windows 7 PC. After a few moments, you should see a blue "Windows...
www.wikihow.com
The switch to AMD from Intel was a matter of booting into safe mode and uninstalling all drivers, then booting with new board NOT connected to internet, installing chipset and all other drivers from fresh downloads off a USB drive.
I have migrated the primary SSD a few times using Macrium.
When bench-marking / stress testing the new stuff, have never had anomalies or performance regressions; the biggest annoyances were related to switching to a 2560x1440 monitor and higher end video card, and having to switch all game resolutions / settings from 1920x1080
Attached is my oldest installed software, yes, it may not prove much, but I have winged it like this (but making backups first!) for the past 10+ years