I'm not sure how it happens, but over the last ten years or so, I've got a garage partially full of computers. When my company upgraded, I picked up several Dells, I've got a couple of HP's and two or three others that have no names from when I had them built by a consultant. My grandson is getting interested in computers and we have watched a few youtube presentations of computer building.
So, here's my question. If we disassemble the computers, how would one sort through the various motherboards and select the best one. Same with the CPU's etc. I have dozens of hard drives and even a spare SSD (250Gb).
I've built three computers for family using new everything, but I want him to build his own as we explore options and create something basically out of discards.
Any advice/guidance will be appreciated. Especially if someone can recommend a way to get motherboard schematics, etc. online.