The default box cooler of the Ryzen 7 2700X on the main PC felt like a weak link to me at this time, especially after upgrading the GPU, so I decided to upgrade it to a Noctua NH-D15.
I had apparently also acquired an Elgato HD60 Pro capture card at some point. I had no recollection of this.
Disassembly was a pain, and I also figured out one of the motherboard standoffs was inexplicably differently threaded than the rest, so one screw had never been sitting properly. First-time builders' mistakes, perhaps, but I swear I hadn't changed any standoffs from how they came from the factory.
However, after a mighty struggle, the motherboard was out and it was time to swap the cooler.
Then, it was just a matter of mounting the new CPU cooler and reassembling the PC. Here's how the PC looked afterwards.
The end-result was a simple and effective front-to-back airflow configuration. The second fan had to be stepped to clear the RAM modules. The monitor in the picture is one of the two DIY monitors I built with my dad.
This post was retroactively compiled on 2024-01-17 from a long since privated YouTube video. All the images are still frames from the video. In retrospect, this upgrade was probably wholly needless. I ended up selling the main PC fairly shortly hereafter.