Error diagnostics are crucial for maintaining the health and performance of your Windows system. Whether you are troubleshooting network issues, application errors, or system crashes, Windows provides a variety of tools and commands to help you identify and resolve problems. In this article, we will explore how to perform error diagnostics using CMD (Command Prompt) and PowerShell.

Examples:

1. Checking System Logs with Event Viewer

Event Viewer is a built-in utility that logs system, security, and application events. You can access it via CMD or PowerShell.

Using CMD:

eventvwr

Using PowerShell:

Get-EventLog -LogName Application -Newest 10

2. Diagnosing Network Issues

Network issues can be diagnosed using a variety of commands.

Using CMD:

ipconfig /all
ping google.com
tracert google.com

Using PowerShell:

Test-NetConnection -ComputerName google.com
Get-NetIPAddress

3. Checking Disk Health

Disk health can be checked using the CHKDSK utility.

Using CMD:

chkdsk C: /f /r

Using PowerShell:

Repair-Volume -DriveLetter C -Scan

4. Monitoring System Performance

You can monitor system performance using Performance Monitor.

Using CMD:

perfmon

Using PowerShell:

Get-Counter -Counter "\Processor(_Total)\% Processor Time" -SampleInterval 2 -MaxSamples 5

5. Checking System File Integrity

System File Checker (SFC) can scan and repair corrupted system files.

Using CMD:

sfc /scannow

Using PowerShell:

sfc /scannow

6. Viewing Blue Screen of Death (BSOD) Logs

BSOD logs can be viewed using the Windows Debugger (WinDbg).

Using CMD:

windbg -y SymbolPath -i ImagePath -z DumpFilePath

Using PowerShell:

# PowerShell does not have a direct equivalent, but you can use WinDbg commands within PowerShell.

7. Checking for Windows Updates

Keeping your system updated can resolve many issues.

Using CMD:

wuauclt /detectnow

Using PowerShell:

Get-WindowsUpdate
Install-WindowsUpdate

Conclusion

By using these commands and utilities, you can effectively diagnose and troubleshoot various issues on your Windows system. Whether you prefer CMD or PowerShell, both offer powerful tools for maintaining system health and performance.