How can I determine which operations or processes prevent screen saver and sleep mode

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My desktop will not enter sleep mode or fire up the screen saver. To troubleshoot, I have run procmon and procexp from sysinternals in order to determine if some event is making the system think it is not idle. I do not, however know which processes and/or operations prevent the system from entering sleep mode or screen saver. Is there a document for this anywhere?

Fred

Posted 2013-01-14T15:02:42.280

Reputation: 113

Have you tried shortening the screensaver time to least possible value? – LifeH2O – 2013-01-14T15:18:49.950

Yes, I have tried changing the settings to 1 minute, the display is still on and unchanged the next morning. – Fred – 2013-01-15T03:08:58.643

Answers

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Try setting the power options as shown here http://support.microsoft.com/kb/976877#Powersetting

LifeH2O

Posted 2013-01-14T15:02:42.280

Reputation: 1 073

Thanks. This was very helpful, and I did try using the commands. – Fred – 2013-01-15T03:09:33.993

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The responses here (including this one) do not answer the original question I had, but I was able to solve the problem and thought I would post that.

I was also having a problem with IE10 not reopening my tabs after restarting the browser even though I had set it to do so. I read a post about checking the add-ons and disabling them one by one until the issue was resolved. When I looked at the add-ons, I noticed one for the Logitech mouse I have called Setpoint. Thinking that the problems might be related, I disabled that one first and BOTH of my problems disappeared, now screen saver and sleep mode work fine. I have no idea why, though.

Fred

Posted 2013-01-14T15:02:42.280

Reputation: 113