How to Find Wake Sources for Windows 11

Let’s learn how to find Wake Sources for Windows 11. When you keep your device in sleep or hibernate mode, there exist few things that make your device awake. Those are called wake sources, which can be a device or a timer that helps to wake your devices.

During sleep, Windows periodically transitions the SoC platform from idle to active mode to perform value-adding activities such as receiving an email notification or performing a maintenance task. Additionally, on-demand transitions to active mode can occur in response to user inputs, networking device interruptions, and other hardware events.

After the SoC has entered the DRIPS state, the platform will typically be in its lowest power mode. During sleep, the platform will periodically switch between this idle (DRIPS) mode and the active mode. Low power is achieved in sleep by spending most of the time in the DRIPS mode and very small amounts of time in the active mode.

Almost all modern standby power problems are related to ensuring that all five conditions have been met. Windows includes a built-in diagnostic tool called SleepStudy to help discover which condition is not being met when the SoC is prevented from entering the idle (DRIPS) state.

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How to Find Wake Sources for Windows 11 - Fig. 1
How to Find Wake Sources for Windows 11 – Fig. 1

Types to Find Wake Sources for Windows 11

Wake Sources may be any buttons and Lid, communication devices, input/output devices, video, audio, external devices, insert or remove connectors or devices, etc. As we all know, Windows is a friendly environment with freedom for users to know about the device. There are a few methods listed below to check wake sources in Windows 11.

  • Find Wake Sources Using Command Prompt
  • Find Wake Sources Using PowerShell
  • Find Wake Sources Using Event Viewer

Find Wake Sources Using Command Prompt

You can use the Command Prompt to find the Wake Sources for Windows 11. Type Command Prompt in the Search Box on the taskbar, then select the appropriate option. Launch the command prompt, press Win Key + R, type CMD in the Run dialogue box, and press Enter.

How to Find Wake Sources for Windows 11 - Fig. 2
How to Find Wake Sources for Windows 11 – Fig. 2

When the command prompt window opens, type powercfg /lastwake and press Enter. You will then get the last wake source details, as shown in the image below.

How to Find Wake Sources for Windows 11 - Fig. 3
How to Find Wake Sources for Windows 11 – Fig. 3

Find Wake Sources Using PowerShell

The PowerShell can find the Wake Sources for Windows 11. Type PowerShell in the Search Box on the taskbar, then select the appropriate option to open the PowerShell window.

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How to Find Wake Sources for Windows 11 - Fig. 4
How to Find Wake Sources for Windows 11 – Fig. 4

When the PowerShell window opens, type powercfg lastwake and press Enter. The wake sources for Windows 11 will then be displayed in detail, as shown in the image below.

How to Find Wake Sources for Windows 11 - Fig. 5
How to Find Wake Sources for Windows 11 – Fig. 5

You can use another command when the PowerShell window opens; type powercfg -lastwake, and press Enter. You will then also get the wake sources for your Windows 11 device in detail, as shown in the image below.

How to Find Wake Sources for Windows 11 - Fig. 6
How to Find Wake Sources for Windows 11 – Fig. 6

Find Wake Sources Using Event Viewer

You can use the Event Viewer to find the Wake Sources for Windows 11. Type Event Viewer in the Search Box on the taskbar, then select the appropriate option. Launch the command prompt, press Win Key + R, type eventvwr.msc in the Run dialogue box, and press Enter.

How to Find Wake Sources for Windows 11 - Fig. 7
How to Find Wake Sources for Windows 11 – Fig. 7

When the Event Viewer pop-up appears, you can see there are some options under Event Viewer (Local). Expand the option Windows Logs and tap on the System sub-option. Now right-click on the System sub-option and then click on Filter Current Log. Wait a little time for the next pop-up window.

How to Find Wake Sources for Windows 11 - Fig. 8
How to Find Wake Sources for Windows 11 – Fig. 8

After a little time, the Filter Current Log window appears; under the Filter tab, you can find options such as Event Sources. Now click the down arrow near the event sources to open the drop-down menu, scroll down to find the Kerner-Power option from the drop-down menu, and mark/check it.

How to Find Wake Sources for Windows 11 - Fig. 9
How to Find Wake Sources for Windows 11 – Fig. 9

After completing the above step, scroll down again to find the Power-Troubleshooter option from the drop-down menu and check it.

How to Find Wake Sources for Windows 11 - Fig. 10
How to Find Wake Sources for Windows 11 – Fig. 10

Now tap or click on the blank space of the Filter Current Log window to close the Event Sources drop-down menu and press OK to approve all the changes that were made.

How to Find Wake Sources for Windows 11 - Fig. 11
How to Find Wake Sources for Windows 11 – Fig. 11

Now click or tap in the middle pane of the event viewer to find all the wake sources related to your devices. That consists of the level, date and time, source, event ID Task, etc, in detail.

How to Find Wake Sources for Windows 11 - Fig. 12
How to Find Wake Sources for Windows 11 – Fig. 12

I hope the information on How to Find Wake Sources for Windows 11 is helpful. Please follow us on the HTMD Community and visit our website, HTMD Forum, if you like our content. Suggest improvements, if any, and we would love to know which topic you want us to explore next.

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Author

Alok is a Master of Computer Applications (MCA) graduate. He loves writing on Windows 11 and related technologies. He likes to share his knowledge, quick tips, and tricks with Windows 11 or Windows 10 with the community.

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