How to Get an Evaluation of Your Laptop’s Power Efficiency

Is your laptop battery running out of power all too quickly? Here’s a quick way to get some suggestions for better power settings - use the Windows command line utility Powercfg.exe. Here is the procedure:

1. Open a command prompt  that is run cmd.exe as administrator .

 2. Move to the above location by entering the following command
                                    cd c:\windows\system32
 3. Enter the command powercfg –energy

 4.  Wait for 60 seconds while Powercfg evaluates your system

 5.  When it is finished, you will see something like the screenshot shown below
A file called “energy-report.html” will have been generated. The report is headed “Power Efficiency Diagnostics Report” and contains a lot of information and analysis of any problems with power usage that it thinks have been found. The file will be located in the working directory of the command prompt. You can now open this file in any browser.
You may not necessarily agree with all its recommendations but it can help you manage your PC energy consumption