How to Diagnose Wi-Fi Problems in Windows

When troubleshooting wireless connection problems in Windows, it can be difficult to determine whether the issue is caused by the Wi-Fi adapter, drivers, network settings, or the router. Windows includes a built-in diagnostic tool that can generate a detailed wireless network report using the “netsh wlan show wlanreport” command.

This command creates a comprehensive HTML report containing information about your Wi-Fi activity, connection attempts, errors, and system events. It is especially useful when dealing with problems such as frequent disconnections, slow Wi-Fi speeds, inability to connect to a network, or unstable wireless performance.

What Is netsh wlan show wlanreport?

The command “netsh wlan show wlanreport” is a Windows Network Shell (Netsh) command that generates a Wireless Network Report. The report collects several days of wireless activity and presents the information in an easy-to-read HTML format. Unlike basic troubleshooting tools, this report provides a timeline of what happened with your wireless connection:

• Failed Wi-Fi connection attempts

• Authentication problems

• Driver issues

• Adapter errors

• Network changes

• Sleep/wake connection problems

• Signal strength issues

• Windows networking events

Steps to Generate a Wi-Fi Report

Step 1. Run Command Prompt

Press Windows + S on your keyboard, and search for CMD. Right-click Command Prompt from the result and select Run as administrator.

Step 2. Enter the Command

Type the following command and press Enter in CMD to let Windows analyze your wireless history and create the report automatically:

netsh wlan show wlanreport

Step 3. Open the Report

After completion, Command Prompt will display the location of the generated file. Go to the file location and open the HTML file with any web browser to view the results.

Additional Useful Netsh Wi-Fi Commands

Besides the WLAN report, Windows provides other helpful wireless commands:

• View saved Wi-Fi profiles:

netsh wlan show profiles

• View Wi-Fi adapter details:

netsh wlan show drivers

• View current Wi-Fi connection:

netsh wlan show interfaces

• Reset wireless settings:

netsh winsock reset

netsh int ip reset

Final Thoughts

The netsh wlan show wlanreport command is one of the most powerful built-in Windows tools for diagnosing wireless problems. Instead of guessing whether the issue comes from the router, driver, or Windows settings, the generated report provides a detailed history of your Wi-Fi behavior and helps narrow down the root cause.

For anyone troubleshooting Windows 10 or Windows 11 wireless issues, generating a WLAN report should be one of the first diagnostic steps before reinstalling drivers or changing network settings.