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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

 
 

Set the power config for your internet card to not allow wake on lan...
My System SpecsSystem Spec
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20 Oct 2011   #4
derekimo

Microsoft Community Contributor Award Recipient

 
 

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.
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 Determine action that woke up computer




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