Gina Johnson
Windows gives you complete control over devices that can wake your computer from a sleep state. You can use Command Prompt or Windows PowerShell to determine which of your devices supports waking the computer. To allow or deny a device permission to wake your computer: Press Win + X to open the Power User menu. Select Device Manager from the list. Locate the device you want to configure. Right-click on it and select Properties. In the Properties window, switch to the Power Management tab. Check or uncheck the 'Allow this device to wake the computer' checkbox to allow or disallow the permission.
How to set devices that can wake from sleep windows
| Characteristics | Values |
|---|---|
| Wake from sleep devices | Mouse, keyboard, power button, Bluetooth devices |
| Wake from sleep commands | powercfg -devicequery wake_from_any, powercfg -deviceenablewake, powercfg -devicedisablewake |
| Wake from sleep software | Command Prompt, Windows PowerShell, Windows Terminal, Dell Support, Microsoft Support, PCMag |
| Troubleshooting | Check power settings, BIOS/UEFI power settings, update Windows Vista to Service Pack 1 or later, check hardware and software vendor contact information, check motherboard |
| Prevent devices from waking from sleep | Open Device Manager, locate device, open Properties, switch to Power Management tab, uncheck "Allow this device to wake the computer" checkbox, click OK |
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What You'll Learn
- Identify devices that can wake your computer from sleep mode
- Configure power settings to allow or prevent devices from waking your computer
- Use Command Prompt or Windows PowerShell to determine which devices can wake your computer
- Change Power settings in Windows to prevent your computer from going into Sleep mode when plugged in
- Use the powercfg.exe tool to control power schemes and power states of individual devices
Identify devices that can wake your computer from sleep mode
To identify the devices that can wake your Windows computer from sleep mode, you can use Command Prompt or Windows PowerShell. Here's how:
- Press Win + S to open the search menu.
- Type in "Windows PowerShell" and select "Run as administrator".
- Select "Yes" when the User Account Control (UAC) prompt appears.
- Type the following command and press Enter: `powercfg -devicequery wake_from_any`
- This will display a list of devices that can wake your Windows computer from sleep mode.
Alternatively, you can use the POWERCFG command in Windows Terminal to find out what woke your PC from sleep mode:
- Right-click on the Start Menu and select "Windows Terminal (Admin)".
- In the Terminal, type or copy and paste the following command and press Enter: `powercfg -lastwake`
- This will display the reason and source of the most recent wake event.
You can also identify and manage the devices that can wake your computer from sleep mode through the Device Manager:
- Press Win + X to open the Power User menu.
- Select "Device Manager" from the list.
- Locate the device you want to configure and right-click on it.
- Select "Properties" and switch to the "Power Management" tab.
- Check or uncheck the "Allow this device to wake the computer" checkbox to allow or disallow permission.
- Click "OK" to save the changes.
By following these steps, you can easily identify and manage the devices that can wake your Windows computer from sleep mode.
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Configure power settings to allow or prevent devices from waking your computer
To configure power settings to allow or prevent devices from waking your computer, you must first determine which devices are able to wake your computer from a sleep state. To do this, you can use Command Prompt or Windows PowerShell.
For Command Prompt, open a window and enter the following command:
> powercfg -devicequery wake_from_any
This will display a list of all devices that support waking your computer from sleep.
Alternatively, for Windows PowerShell, press Win + S to open the search menu. Type in Windows PowerShell and select "Run as administrator". Select "Yes" when the User Account Control (UAC) prompt appears. Then, type the following command and press Enter:
> powercfg /devicequery wake_armed
This will show a list of all the devices that are currently allowed to wake up your computer.
Once you know which devices can wake up your computer, you can allow or prevent them from doing so by following these steps:
- Press Win + X to open the Power User menu.
- Select "Device Manager" from the list.
- Locate the device you want to configure and right-click on it.
- Select "Properties" from the context menu.
- In the "Properties" window, switch to the "Power Management" tab.
- Check or uncheck the "Allow this device to wake the computer" checkbox to allow or disallow the permission.
- Click "OK" to save the changes.
You can repeat these steps to configure power management settings for multiple devices. Additionally, you can disable wake timers entirely by following these steps:
- Type "Edit power plan" in the Start menu and hit Enter.
- Click on the "Change Advanced Power Settings" option.
- Expand the "Sleep" entry and double-click on the "Allow Wake Timers" option.
- Set the entries below to "Disabled" or "Important Wake Timers Only".
By configuring the power settings, you can control which devices can wake your computer from a sleep state and prevent unwanted interruptions.
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Use Command Prompt or Windows PowerShell to determine which devices can wake your computer
To determine which devices can wake your Windows 11 computer from sleep mode, you can use Command Prompt or Windows PowerShell. Here's how:
Using Command Prompt:
- Press Win + R to open the Run dialog.
- Type "cmd" in the box and press Ctrl + Shift + Enter to launch Command Prompt with admin rights.
- Input one of the following commands and press Enter:
- Powercfg -devicequery wake_armed
- Powercfg -devicequery wake_from_any
- Powercfg -devicequery wake_from_S1_supported
- Powercfg -devicequery wake_from_S2_supported
- Powercfg -devicequery wake_from_S3_supported
- Powercfg lastwake
- Powercfg –waketimers
Using Windows PowerShell:
- Press Win + S to open the search menu.
- Type in "Windows PowerShell" and select "Run as administrator".
- Select "Yes" when the User Account Control (UAC) prompt appears.
- Type the following command and press Enter:
Powercfg -devicequery wake_armed
Using either of these methods will provide you with a list of devices that are allowed to wake your computer from sleep mode. This can include devices such as your keyboard, mouse, network adapter, or USB drive.
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Change Power settings in Windows to prevent your computer from going into Sleep mode when plugged in
To change power settings in Windows and prevent your computer from going into sleep mode when plugged in, follow these steps:
- Go to Start, then select Settings.
- Click on System.
- Select Power & Sleep.
- Under Screen, adjust the settings to choose how long you want your device to wait before turning off the screen when you're not using it.
- Under Sleep, you can select how long the device should wait before going to sleep mode when inactive.
- If you want more power-saving options, select Additional power settings. Here, you can change how your device consumes power.
- If you're using a desktop, tablet, or laptop, you can set the power button to activate sleep mode. Go to the "When I press the power button" option in the "On battery" column and select Sleep.
- Repeat the previous step for the "Plugged in" column if desired.
- Click on Save Changes.
Additionally, you can manage which devices can wake your Windows PC from sleep mode. To do this, press Win + X to open the Power User menu, then select Device Manager. Locate the device, right-click, and choose Properties. In the Properties window, go to the Power Management tab and check or uncheck the "Allow this device to wake the computer" box. Click OK to save the changes.
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Use the powercfg.exe tool to control power schemes and power states of individual devices
The powercfg.exe tool can be used to control power plans, also known as power schemes, and to manage the power states of individual devices. It can also be used to analyse the system for common energy-efficiency and battery-life problems.
To use the powercfg.exe tool, you must first open an elevated command prompt. You can do this by opening the Windows key + Run keyboard shortcut to open the Run command. Then, type the following path and press Enter: C:\energy-report.html.
Once you have completed these steps, you can review the report to understand the energy and battery efficiency of your device. This will help you to investigate and resolve any power issues.
To view the supported sleep states available on your computer, you can follow these steps:
- Open Start.
- Search for Command Prompt, right-click the top result, and select the 'Run as administrator' option.
- Type the following command to determine the supported sleep states of your computer and press Enter: powercfg /availablesleepstates.
You can also use the powercfg.exe tool to enable, manage, and disable the hibernation feature with a few simple commands. To confirm that hibernation is supported on your hardware configuration, you can type the following command and press Enter: powercfg /availablesleepstates. If "Hibernate" appears in your computer's available states, you can enable the feature by typing the following command: powercfg /hibernate on.
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Frequently asked questions
You can wake your computer from sleep mode by wiggling the mouse, pressing the power button, or pressing any key on the keyboard.
Press Win + X to open the Power User menu. Select Device Manager from the list, then locate and right-click on the device. Select Properties and switch to the Power Management tab.
You must be signed in as an administrator to allow or prevent a device from waking your computer. Open Windows Terminal (Admin) and select either Windows PowerShell or Command Prompt. Type the following command and press Enter: powercfg -devicequery wake_programmable. Check or uncheck the "Allow this device to wake the computer" box and click OK.
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