gaming rig question

Hi, my friend had a system for mining bitcoin and long story short my brother bought some of the parts for cheap (around 250 US$). Motherboard is a Biostar TB360-BTC pro 2.0 (supports 9th gen CPUs and DDR4 2666 32GB RAM) I'm using my old 720p Samsung Monitor (1360*768) GPU is a RX580 8GB CPU a...