Windows7 Hidden function Power efficiency analysis, pulling out the consumption Heihu

This power efficiency analysis tool is powercfg.exe by Windows 7, which is actually a small program. When opened, it continuously monitors the computer for 60 seconds and then generates a power efficiency analysis report. Power settings, hardware, and operation are all listed within the scope of the watch, and the report will give an error message reminding and informing the computer about the power efficiency of the related hardware, as well as recommending how to use it to improve power efficiency.

The following tips will explain how to use this feature.

To open Powercfg.exe, we need to open the Command window as an administrator. Open Start-All Programs-attachments, right-click Command prompt, and select Run as Administrator.

If you jump out of the User Account Control window, press Yes to continue.

Type Powercfg/energy in the command window and enter.

To start the monitoring system:

After 60 seconds:

After the report is generated, it is stored in c:windowssystem32. (If you can't open the reading directly, you can copy and paste it to the desktop before you open it)

Examples of power efficiency analysis reports are as follows:

After the report gives you error messages and recommendations, you can take appropriate steps to fix or optimize them and use them more efficiently.

(in addition to manual operations, if you are familiar with the commands, you can also use the PowerCfg command directly.)