Posted April 29, 201410 yr Hi When I set my Power savings to switch off the display after 15 minutes I can not re-activate it anymore. I need to switch off the desktop (Dell Dimension 5150) and restart the system. I see when I switch off the desktop that shortly before the system goes down the display start showing shutting down the system. I checked my USB mouse and keyboard setting in the device manager and they say the devices can wake up the system. What else can I check as I can only put on the screensaver and not switch off the display (it worked all on XP before I updated to Windows 7 - no HW change) Thank you Markus Continue reading...
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