To run diagnostics on Windows 10 and 11:
Built-in Troubleshooters – Go to Settings > Update & Security > Troubleshoot (Win 10) or Settings > System > Troubleshoot (Win 11) and select a relevant troubleshooter.
Windows Memory Diagnostic – Press Win + R, type mdsched.exe, and restart to check RAM issues.
Performance Monitor – Press Win + R, type perfmon, and analyze system performance.
Command Prompt (SFC & DISM) – Run as Admin, type sfc /scannow and DISM /Online /Cleanup-Image /RestoreHealth to fix system files.
Check Disk Utility – Run chkdsk /f /r in Command Prompt to scan and repair disk errors.
For advanced diagnostics, consider Geekway LLC’s free diagnostic services for Windows 10 & 11! ? Read more:- https://www.geek-way.com/how-to-use-windows-diagnostics-tool/