https://www.netutil.app/en/tags/hardware/ Recent content in Hardware on NetUtil Hugo en-US Sat, 16 May 2026 00:00:00 +0000 https://www.netutil.app/en/blog/run-apple-diagnostics-mac/ Sat, 16 May 2026 00:00:00 +0000 https://www.netutil.app/en/blog/run-apple-diagnostics-mac/ <p>Your Mac is behaving strangely and you&rsquo;re not sure whether it&rsquo;s a hardware problem, a software problem, or a network problem. Running diagnostics is the right first step, and Apple gives you a built-in tool that tests your hardware without booting into macOS. Here&rsquo;s how to use it, what it tells you, and what to do next.</p> <h2 id="what-apple-diagnostics-tests">What Apple Diagnostics tests</h2> <p>Apple Diagnostics is a hardware testing tool built into every Mac. It runs independently of macOS and checks the components that software can&rsquo;t fix: memory, storage, sensors, wireless hardware, and the logic board. If any of these are failing, Apple Diagnostics will catch it.</p>