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#31
In my opinion, an SSD is the most noticeable upgrade you can do to a computer. They're great. I have 8 of them and would never be without one again. I can't believe we used to use mechanical hard drives and like them.
There is a distinct possibility you damaged the motherboard when the USB was inserted wrong. Especially since that is when your problems started and have continued since. It's just that it affects the graphics card. If you have another card, or have a friend who would loan you one for a while, try that to see if the card is the problem. I would rather you do that than buy another card just to find out if that is the problem. I try to spend money only when I know what the problem is. If you have a place for one, I would install another fan or 2 to bring in cooler air, and perhaps try to arrange the wiring to not obstruct airflow in the case. If the motherboard is damaged, it could just manifest itself in the pcie lanes, and there is no reasonable way to repair it that I know of.