Question Problems after upgrading old PC

Deer186girl

Reputable
Jul 14, 2019
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I was looking for a budget PC that could run games with decent graphics. I ended up purchasing a Dell Optiplex 3020 MT to upgrade for gaming. I have since then put a new power supply and graphics card in it. After installing the graphics card, I could play games I couldn’t before it for about 10 minutes, then I would get the BSOD with either a critical process died error code or a unexpected store exception error code, I was hoping for some help in what is causing these and how to fix them.