Get a Power
Efficiency Report
Have a laptop
and want to get more battery life out of it? Windows 7 includes a hidden
built-in tool that will examine your laptop's energy use and make
recommendations on how to improve it. To use it:
1. Run a
command prompt as an administrator. To do this, type cmd in the search box, and
when the cmd icon appears, right-click it and choose "Run as
administrator."
2. At the
command line, type in the following:
powercfg
-energy -output \Folder\Energy_Report.html
where \Folder
represents the folder where you want the report to be placed.
3. For about a minute, Windows 7 will
examine the behavior of your laptop. It will then analyze it and create a
report in HTML format in the folder you specified. Double-click the file, and
you'll get a report -- follow its recommendations for ways to improve power
performance.
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