1. Use the keyboard shortcut "Win+r" to bring up the running dialog box, enter "msconfig" and click OK button. As shown in the following illustration:
2, in the Pop-up System Configuration dialog box, click the "Boot" tab, and then click "Advanced Options." As shown in the following illustration:
3, check "processor number", and select "1" In the Pull-down menu, then click "OK" button. As shown in the following illustration:
4, at this time to restart the computer can be forced to operate in a single core mode.