Best answer
To identify what woke your PC up:Search for Command Prompt in the Start menu. Right-click and press Run as administrator. Run the following command: powercfg -lastwake. Problems with unexpected sleep resumes are fairly common on Windows devices,at least judging from the volume of reports on Microsoft’s support forums.
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How do I see what woke up my computer?
1. Open a command prompt in Vista, Windows 7, or Windows 8. 2. In the command prompt, copy and paste the command below and press enter. (see screenshot below step 3) powercfg lastwake. 3. You will now see what last woke up your computer. (see screenshot below) For example: This is what last woke up my computer from above.
How to find out what woke Your Windows 10 pc from sleep?
How to find out what woke your Windows 10 PC from sleep To identify what woke your PC up: Search for Command Prompt in the Start menu. Right-click and press Run as administrator.
How to see devices currently configured to wake computer from sleep?
To See Devices that are Currently Configured to Wake Computer from any Sleep State 1 Open a command prompt. 2 Copy and paste the powercfg -devicequery wake_armed command into the command prompt, and press Enter. (see screenshot below)
How do I see the last time a device woke up?
powercfg -lastwake displays the last device that woke up the PC. powercfg -waketimers lists all active wake timers. Run the command powershell from the command line to activate it. Get-ScheduledTask | where {$_.settings.waketorun} lists all tasks and their state in regards to wake operations.