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How to Enable Diagnostic Startup Mode in Windows PC

Is your PC running slowly? Performing a system diagnostic can help identify those hard-to-check hardware problems. This post will teach you how to perform a diagnostic startup in the Windows operating system in order to boot in a clean environment for troubleshooting a problem.

Steps to Enable Diagnostic Startup Mode in Windows 10

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 options, 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.

Select Normal startup

Step 2: To enable Diagnostic Startup mode.

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

Enable Diagnostic Start mode

Tips: 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: When you are done, restart your PC to make this change take effect.

Restart your PC

To put the computer back to a normal startup, open up MSCONFIG again and click "Normal startup" under the General tab, click OK and then Restart.