@TSMikeW I was able to play Rocket League on max settings for 45 minutes with no issue. That's not the most demanding but its more modern than most games I have. Do you think that was demanding enough to really test your hypothesis or should I try another? The only others I have that I think of as demanding are Rainbow 6 Siege and Apex Legends. I may have Destiny 2 as well, though I don't know how much of the game I still have access to since it's changed so much over the years. @TSMichaelB Thanks for the additional input! I will re-seat and visually inspect my CPU this weekend as you have described and report back. I do not expect to find any issues since I hadn't so much as opened the case in 2 years prior to having these issues. In regard to the PCIe slots, my MOBO only has one x16 slot and it is the one currently in use. I could try the x8 slot if you think that's worth doing. For peripherals, I have tried this already. The only thing I use besides the monitor and KBM is my wireless headset but the CTD occurs with or without that headset being plugged in. I have tried also disabling the audio drivers for that device as well as unplugging it to no avail.
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