Windows 7 can analyze the power consumption of your laptop and increase its battery life. First close all programs except which that start when Windows starts.
- Pull down the Start menu. Right-click Command Prompt in the Accessories folder, choose Run as administrator from the menu that appears.
- The Command Prompt window appears.
- Enter powercfg –ENERGY and press Enter. The report generated, called energy-report.html is available at C:\Windows\System32\. It mentioned in particular how the current process requires the more the processor.
- To disable the services and programs not essential, type msconfig in the search box in the Start menu and press Enter. Then uncheck the appropriate boxes in the Start and Services tabs of the System Configuration window. This report may also show some hardware problems more or less complex to solve. A BIOS update for example.
