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Can anyone recommend software to quickly increase/decrease WiFi power?

Currently, the way to perform this task involves lengthy steps:

  1. Open Control Panel.
  2. Select Power Options or Hardware and Sound > Power Options.
  3. Select Change plan settings.
  4. Select Change advanced power settings.
  5. Select Wireless Adapter Settings.
  6. Open Power Saving Mode.
  7. Change the Power Saving Mode.

Software either with a GUI or a basic Command Line Interface (CLI) is acceptable.

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  • macro recorder?
    – Mawg
    Jul 23, 2018 at 10:08

1 Answer 1

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You already have it as a part of Windows - there is a command line tool called powercfg that allows you to do most/all of the things that the control panel does.

The easiest way to use it is to use the GUI to come up with some named power plans for your standard scenarios, then you can use powercfg /L to list out the GUID for the named plans and powercfg /S <guid_for_desired_plan> to set the one you need - on my system:

powercfg /S 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c

would put me in High Performance mode.

Obviously, you could create batch files or powershell scripts for the ones that you need and even attach them to shortcuts on the desktop.

It is also possible to override individual settings in the current plan with the same tool.

Full details at https://msdn.microsoft.com/en-us/windows/hardware/commercialize/design/device-experiences/powercfg-command-line-options

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  • Steve, do you know of any way to use powercfg to change the WiFi power setting for the current power plan? I was not able to find it in the docs. May 24, 2017 at 6:44
  • @RockPaperLizard - Run POWERCFG /QUERY look for the ID for Wireless Adapter Settings and for the desired Power Settings then you can use /SETACVALUEINDEX or /SETDCVALUEINDEX to override. May 24, 2017 at 7:51
  • If I understand correctly, using /SETACVALUEINDEX or /SETDCVALUEINDEX will only work when the GUID of a power plan is specified. IOW, it won't automatically work on the current power plan. Do I understand correctly? May 25, 2017 at 0:57
  • @RockPaperLizard Yes you have to specify which plan, current is marked with an asterisk on the output of powercfg /L or use powercfg /GETACTIVESCHEME May 25, 2017 at 3:56

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