Question about Dell Dimension 8400 PC Desktop

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Power Save mode on, can not use computer

When I turn on my computer, my monitor screen is black, and when I press the little buttons (not the power on/off button) on the front of the monitor it states that power save mode is on and to either move mouse or press any key. When I do that, nothing happens, the screen continures to be black.

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  • joclark11 Apr 22, 2010

    Thanks so much for your quick reply. For whatever reason the computer is now working properly. I turned it off for about 15 minutes and restarted and it seems to work fine now. thanks again

  • Lindsay Swadling
    Lindsay Swadling May 11, 2010

    First, try the monitor on another computer to see whether the monitor, or the computer, has a problem.

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  • 131 Answers

If your computer is indeed running, simply unplug your monitor from the wall, and then plug it back in. This will bring your monitor out of power save mode instantly.

Posted on Apr 23, 2010

Testimonial: "Will try when the monitor does this again. Was very helpful. Thanks!"

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Anyway... If you want to turn off the power save mode of the monitor via windows display setting then here is what you need to do:

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Uncheck the box

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My monitor shuts down after one second.


Dell monitors automatically go into power-save mode after a preset amount of time when the computer is inactive. The Dell monitor will go completely black, instead of showing a screensaver. This doesn't mean that your Dell computermag-glass_10x10.gif has shut down. Instead, this allows your monitor to essentially turn off until it's needed again. You can change how long it is before the Dell monitor goes into power-save mode by changing your display settings.
  1. Step 1 Press any key on your keyboard or move your mouse. Either will turn off power-save mode. Alternately, you can press the power button on your Dell computer tower or laptop.
  2. Step 2 Press any key a second time if the monitor goes from power-save to stand-by mode. Stand-by mode allows the screensaver to appear.
  3. Step 3 Enter your user name and password into the login prompt if your computer requires a login. Press "Enter" to begin using your Dell computer.
  4. Step 4 Change the display settings on your Dell monitor to prevent your monitor from going into power-save mode prematurely. Right-click anywhere on your desktop and choose "Properties." Click the "Screensaver" tab and press "Power." Beside "Turn off Monitor," choose a time amount from the drop-down list and press "Apply."

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Don't forget to rate too.
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