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Windows 7: Determine action that woke up computer

20 Oct 2011   #1
GRoston

Windows 7 x64
 
 
Determine action that woke up computer

All,

My Win7 x64 machine has recently developed a bad habit - it wakes itself up from S3 standby mode! Is there an event log, or something similar, which would allow me to determine what woke the computer? While I doubt that there is malware on my machine, I would really like to track down the cause of this behavior.

Thank you.


My System SpecsSystem Spec
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20 Oct 2011   #2
seavixen32

Windows 7 Ultimate SP1 64-Bit
 
 

Useful article here that may help you: Fix Windows Vista/7 Sleep mode from waking up by itself
My System SpecsSystem Spec
20 Oct 2011   #3
DMHolt57

Win7 Home Premium x64 W10Pro&Home
 
 

Set the power config for your internet card to not allow wake on lan...
My System SpecsSystem Spec
.

20 Oct 2011   #4
derekimo

Microsoft Community Contributor Award Recipient

Win 10 Pro x64
 
 

Quote   Quote: Originally Posted by GRoston View Post
All,

My Win7 x64 machine has recently developed a bad habit - it wakes itself up from S3 standby mode! Is there an event log, or something similar, which would allow me to determine what woke the computer? While I doubt that there is malware on my machine, I would really like to track down the cause of this behavior.

Thank you.

Have you tried this?

Lastwake Command
My System SpecsSystem Spec
20 Oct 2011   #5
GRoston

Windows 7 x64
 
 

All,

Thanks for the prompt, and useful, replies.

Using the lastwake command, I found that the culprit was Media Center. I am thinking about upgrading my HTPC and launched Media Center on my computer to see what it is about. Seems that once you do that, it creates a handful of scheduled takes which run daily and/or weekly. I disabled those tasks so hopefully my computer will not get to sleep peacefully all night long... :-)
My System SpecsSystem Spec
20 Oct 2011   #6
seavixen32

Windows 7 Ultimate SP1 64-Bit
 
 

You're very welcome.

Pleased to hear you found the culprit and thanks for the update as the solution may help others in the future.
My System SpecsSystem Spec
Reply

 Determine action that woke up computer




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