Run System Diagnostics If you click the Run System Diagnostics button, you will see the option to Restart your computer so that the system diagnostics can be carried out by the computer.

Is your Chromebook acting up? Jack Wallen introduces you to the ChromeOS Diagnostic tool, with which you can run hardware tests on your Chromebook.

Learn how to use Perfmon to generate a System Health Report of your Windows 11/10 computer, so that it can tell you the state of your operating system.

Whether you're curious about a device you purchased or want to see how well a phone runs before you sell it, here are the best diagnostic tools for iPhone and Android.