Instead of going to power saver mode my monitor cycles through a series of full screen colors at 3 second intervals (Red, Green, Yellow, Turquoise, White, Blue). if I move the mouse it returns me to the log in screen, 35 minutes later it will begin the full color rotation again. I attempted to turn off the monitor and could not do so. I had to unplug it, let it sit 15 minutes, plug it in, (it was still on) and then turn it off. This is the third time I could not turn it off in 3 days each time I had to unplug it, plug it back in, then turn it off. Any ideas about what is wrong? The monitor is about 2 1/2 years old came with a dminesion 5150 computer.
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You can do this in the Power Savings options with Windows. For Windows 7, rght click on the display (anywhere with no icons or running programs) and choose Personalize. Click on Screen Saver in the lower right hand corner. Adjust the Wait time for the screen saver if desired and click Apply. Then click on Change Power Settings. This brings up the Control Panel > Hardware and Sound > Power Settings. Then click on Edit Power Settings for the active power plan. (For desktops it is usually the balanced power). Then change the setting for Turn off monitor to Never when plugged in. Also change the Sleep time for the computer to Never. You can do the same for when on battery but it will shorten the length of time that the computer will be able to run on the battery for laptops. Then Save Changes and close the windows.
For older versions of Windows, these advanced power settings are also available from the Screen Saver settings page but details may differ.
I hope this helps.
Cindy Wells (for most monitors, as long as the computer is sending a signal the monitor will stay on)
Its not power saver mode, when the display goes black and the power light starts flashing that is a good indication that the power supply is about to die. The Dell E172 monitors are noted for this problem. We have step by step repair guides posted on our web site at: www.ccl-la.com Click on the monitor repair link. The Dell E172 series actually has several sub models, check your specific model, the sticker on the back will have either E172FPb, E172FPc, E172FPf. We have guides for all 3 versions posted.
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Perhaps your computer is hibernating instead of going into standby which takes a little longer to wake up from. While you are playing plugs and cables it give it enough time to come out of hibernation.
When the computer is in this mode the USB ports turn off which disables keyboard and mouse so the only way to wake up the computer is to press the power button on the computer itself.
One tell tale sign a computer is in hibernation is that the power light on the computer will slowly blink.