Perform a Clean Boot

How To Perform a Clean Boot

  • You must log on to the computer as an administrator to be able to perform a clean boot.
  • Your computer may temporarily lose some functionality when you perform a clean boot. When you start the computer normally, the functionality returns. However, you may receive the original error message, or experience the original behavior if the problem still exists.
  • If the computer is connected to a network, network policy settings may prevent you from following these steps. We strongly recommend that you do not use the System Configuration utility to change the advanced boot options on the computer unless a Microsoft support engineer directs you to do this. Doing this may make the computer unusable.

Follow the following steps to perform a clean boot:

Windows 8.1 and Windows 8:

  1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
  2. Type msconfig in the search box, and then tap or click msconfig.
  3. On the Services tab of the System Configuration dialog box, tap or click to select the Hide all Microsoft services check box, and then tap or click Disable all.
  4. On the Startup tab of the System Configuration dialog box, tap or click Open Task Manager.
  5. On the Startup tab in Task Manager, for each startup item, select the item and then click Disable.
  6. Close Task Manager.
  7. On the Startup tab of the System Configuration dialog box, tap or click OK, and then restart the computer.

Windows 7 and Windows Vista:

  1. Log on to the computer by using an account that has administrator rights.
  2. Click Start, type msconfig.exe in the Start Search box, and then press Enter to start the System Configuration utility.
    Note If you are prompted for an administrator password or for confirmation, you should type the password or provide confirmatio
  3. On the General tab, click the Selective startup option, and then click to clear the Load startup items check box. (The Use Original Boot.ini check box is unavailable.)
  4. On the Services tab, click to select the Hide all Microsoft services check box, and then click Disable all.
  5. Click OK, and then click Restart.

Note This step lets Microsoft services continue to run. These services include Networking, Plug and Play, Event Logging, Error Reporting, and other services. If you disable these services, you may permanently delete all restore points. Do not do this if you want to use the System Restore utility together with existing restore points.

After you have finished troubleshooting, follow these steps to reset the computer to start normally:

Windows 8.1 and Windows 8

  1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
  2. Type msconfig in the search box, and then tap or click msconfig.
  3. On the General tab, tap or click the Normal Startup option.
  4. Tap or click the Services tab, clear the check box beside Hide all Microsoft services, and then tap or click Enable all.
  5. ap or click the Startup tab, and then tap or click Open Task Manager.
  6. In task manager, enable all of your startup programs, and then tap or click OK.
  7. When you are prompted to restart the computer, tap or click Restart.

Windows 7 and Windows Vista

  1. Click Start, type msconfig.exe in the Start Search box, and then press Enter.
    Note If you are prompted for an administrator password or for confirmation, you should type the password or clickContinue.
  2. On the General tab, click the Normal Startup option, and then click OK.
  3. When you are prompted to restart the computer, click Restart.

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