Windows 7 Power Configurations: Manage from the Command Line

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Windows 7 comes with the Power Configuration utility, Powercfg.exe to manage the power options from the command line. A list of parameters can be viewed for this utility by entering powercfg /? at a command prompt. The most often used parameters include:

–a List of available sleep states on the computer with reasons for unsupported sleep states.

–d [guid] This parameter deletes the power plan specified by the globally unique identifier or GUID.

–devicequery all_devices_verbose To List the power support information in detail for all devices on the computer. As the output of this parameter is very long and detailed, be sure to redirect the output to a file.

–energy It generates an HTML report in the current working directory after checking the system for common configuration, device, and battery problems.

–h Toggles the hibernate feature on or off.

–l Lists the power plans configured on a computer by name and GUID.

–q [guid] Lists the contents of the power plan specified by the GUID. If you don’t provide a GUID, the contents of the active power plan are listed.

–requests Displays all power requests made by device drivers. If there are pending requests for the display, these requests would prevent the computer from automatically powering off the displays. If there are pending requests for any device including the display, these requests would prevent the computer from automatically entering a low-power sleep state.

–s [guid] Makes the power plan specified by the GUID the active power plan.

–x [setting] [value] Sets the specified value for the specified setting in the active power plan.

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Tags: active power, battery problems, command line tools, command window, command-line, configuration utility, device drivers, html report, parameters, pending requests, Power Configuration utilities, Power Configuration utility, power configurations, power options, power requests, power sleep, powercfg, sleep, sleep state, sleep states, toggles

This entry was posted on Friday, May 21st, 2010 at 23:40 and is filed under Tips & Tricks, Uncategorized, Windows, Windows 7. You can follow any responses to this entry through the RSS 2.0 feed.