Additional features as Google improves the app (it’s still a relatively new tool and more functionality is on its way).Run tests on all these features to automatically troubleshoot for apparent issues.See data on CPU usage, speed, and temperature.See information about battery health, cycles, and how much capacity it has lost since its first use.Check model and motherboard information.Chromebooks now have a Diagnostics app specifically for troubleshooting, which can provide valuable information when narrowing down your issue, monitoring a specific problem, or - if it comes down to it - knowing exactly what hardware you have for repairs or replacements.