Win7 use system tools to view power usage efficiency

The power management features that come with the Win7 system are believed to be known to use power plans to maximize computer performance or save performance. You simply customize the plan by selecting the plan and activating it, or by selecting a plan and by changing its power settings. But little is known about the power efficiency detection function of win7. With it, you can understand the current improper use of the power supply and view some power consumption applications in the computer. In order to maximize the efficiency of power supply, this method is especially suitable for notebooks with a slightly weaker endurance. Method: 1. Execute Start — Run — CMD Command Operation

Note: If you are not running the computer as an administrator, you can open it in the Start menu: All Programs - Accessories, Find Commands Prompt, right click, select [Run as administrator]

2, execute the command: powercfg /energy and press Enter to confirm

3. After seeing the prompt, wait for approximately One minute. Will be prompted to find energy efficiency problems, because the problem of each computer is different, the number of errors, warnings, and information here is also different.
4, the test is completed, and generate a web page record. Copy the address in the box above. 5. Open your browser and paste the address you just copied. You can see the efficiency of your current computer.