For Windows 7 system, there is actually a simpler way to click on the power icon of taskbar, select more power options (Figure 2), then click change plan settings, then click change advanced power settings (Figure 3).Expand the processor power management project, change the minimum processor state to 0%, while the maximum processor state is changed to 99%. (如图所示,单击应用程序按钮,CPU将被锁定在标准频率上。