Please try to use --gpu-platform directive to resolve the igpu/discreet gpu issue in sgminer
Benchmark doesn't really give much details about error feedback, to see those, you need to mine directly to a working pool and right click on miner -> diagnostics, there you can see more detailed error captured in the output dialogue window
How would I go about doing that? I tried adding it to the user defined command line option in the Managed Software section, but it only flashes and will not load when running a benchmark using sgminer.