Use built-in Windows tools like the Troubleshooter to fix common problems on your computer. You can check your memory with the Windows Memory Diagnostic tool to solve lagging issues. Tools like ...

How to fix Diagnostic policy service is not running? To fix the “Diagnostic Policy Service is not running” issue, start by running the Network and Internet troubleshooter.

How to choose the right Windows 10 Wi-Fi analytics tool Unlike macOS, Windows 10 doesn’t have a built-in wireless diagnostics tool.

In the likely event that Windows Network Diagnostics is unable to determine the root of the issue, you will encounter a screen which reads: Troubleshooting couldn’t identify the problem.