By chance are your power save settings set to put the monitor into sleep mode after, I don't know, say 10 minutes?
I've had Windows 7 operating system for a couple months and like the software compared to previous operating systems from Microsoft.
My question, setting-up Display from the Control Panel Appearance & Personalization set-up page is no problem except for Screen Saver. I have display set to use Photos after ten minutes but the screen saver never works after the allotted time, the screen just hibernates after ten minutes. Anyone have any suggestions why screen saver doesn't work properly using photos or any of the other screen savers, I'm an old retired IT professional for the past sixteen years trying to stay-up to date on technology.