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How to Enable Diagnostic Startup Mode in Windows PC

A common way to troubleshoot software problems is to test by running the software in safe mode. However, it fails to load all but the most basic drivers and services required for Windows to function in safe mode. The best alternative to safe mode is diagnostic startup mode.

How to Perform Windows Diagnostic Startup Mode in MSConfig

Step 1: Open the System Configuration tool.

1. Press Win + R keys to open the Run dialog box, type in msconfig.exe, and click OK.

Type msconfig.exe in Run dialog

2. On the General tab, you can see three Startup option, the normal startup option is the Windows default. This option enables Windows to start in normal mode together with all programs, services, and device drivers loaded.


Step 2: To enable Diagnostic Startup mode.

Click on the Diagnostic Startup option, then click on Apply.

Enable Diagnostic Start mode

Tip: The diagnostic startup option enables Windows to determine which basic device drivers and software to load when you start Windows. When you use this option, the system temporarily disables Microsoft services such as the following services:

  • Networking
  • Plug and Play
  • Event Logging
  • Error Reporting
  • System Restore

Step 3: Then Restart your PC to make this change take effect.

Restart your PC

Tip: If the issue does not occur after Windows restarts, use the selective startup option to try to find the issue by disabling and enabling individual services and startup programs.