What is System Configuration?

System Configuration is a tool that can help identify problems that might prevent Windows from starting correctly. Using System Configuration, you can start Windows with common services and startup apps turned off and then turn them back on, one at a time. If a problem doesn't occur when an app or service is turned off, but does occur when the service is turned on, then that service could be the cause of the problem.

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To start Windows in Diagnostic startup mode

  1. Tap or click to open System Configuration. Administrator permission required You might be asked for an admin password or to confirm your choice.

  2. Tap or click the General tab, tap or click Diagnostic startup, tap or click OK, and then tap or click Restart.

    If the problem occurs, then basic Windows files or drivers might be damaged. To learn more about troubleshooting this problem, see How to restore, refresh, or reset your PC.

    If the problem doesn't occur, then use Selective startup mode to try to find the problem by turning individual services and startup apps on or off.

To start Windows in Selective startup mode

  1. Tap or click to open System Configuration. Administrator permission required You might be asked for an admin password or to confirm your choice.

  2. Tap or click the General tab, tap or click Selective startup, and then clear the Load system services and Load startup items check boxes.

  3. Select the Load system services check box, tap or click OK, and then tap or click Restart.

  4. If the problem occurs after restarting, do one or both (if necessary) of the following tasks:

    Identify the system service that's causing the problem.

    • Tap or click the Services tab, tap or click Disable all, select the check box for the first service that's listed, and then restart your PC. If the problem doesn't occur, then you can eliminate the first service as the cause of the problem.

    • With the first service selected, select the second service check box, and then restart the PC.

    • Repeat this process until you reproduce the problem. If you can't reproduce the problem, then you can eliminate system services as the cause of the problem.

    Identify the startup item that's causing the problem.

    • Tap or click the Startup tab, and tap or click Open Task Manager.

    • Turn off all startup items except the first one by tapping or clicking each startup item, and then tapping or clicking Disable. Restart your PC. If the problem doesn't occur, then you can eliminate the first startup item as the cause of the problem.

    • With the first startup item selected, tap or click the second startup item, and then tap or click Enable. Restart your PC. Repeat this process until you reproduce the problem.

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