Ever fired up your favorite game only to be greeted by a DirectX error that crashes everything? As a sports data analyst who spends his downtime gaming, I’ve faced this frustration too. In this guide, I’ll break down why DirectX errors happen (yes, even with a beefy RTX 3070), how to diagnose the issue using my data-driven troubleshooting approach, and the 3 most effective fixes that actually work—no placebo updates or urban legend solutions.