Windows turns off display, doesn't sleep

#1
I am running windows 7 x64
I have Comodo Internet security (antivirus and firewall)
Radeon 4850x2
And it recently started doing this.
I have the PC networked to a home server running windows server 2003, and recently changed my login on this pc to match the user I created on the windows 2003 server with which it logs in as. (This negated me having to log in twice- once into this PC and the second to a network share on the server.) I'm not sure if this is significant, but it seems like a networked pc would be less likely to sleep.
Things I've tried
- I set both display to turn off and pc to sleep after one minute then:
Unplugged all USB devices
Turned of all System Tray Apps
Turned off all Network adapters
Picked up a book

One minute later the PC's display shut off, but still no sleep. Whats the deal?
 


Last edited:
#2
In power options > multimedia settings > "when sharing media", do you have it set to "allow to enter away mode" preventing it from sleeping?
 


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