How to check the power usage of Win7 system

Step one: On the keyboard simultaneously press the combination key Win+r opens the computer company system the running window, then enters the instruction CMD carriage return to open Win7 System's command prompt in the Operation window.

Step two: At the command prompt of the Win7 system, we type this instruction: powercfg/energy, the command prompt will show the usage of the computer power supply after the carriage return, but in this process the user is about to wait about 1 minutes time, Wait for the Win7 system to do power analysis will receive all the power status information.

Step three: At the command prompt the Win7 system power situation the last line of the sound field of a Web site, this time if you feel that the command prompt looks uncomfortable, users can also copy the Web site into the browser open, so you can more clearly see the system power usage is how.