Question about Dell Dimension 2400 PC Desktop

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My computer is showing a floting box which say self test feature check, wit red,green blue and white box.What do this mean

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Its showing u monitor self test feature screen issue either with the monitor cable or monitor or the graphic card

Posted on Nov 19, 2009

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Posted on Jan 02, 2017

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Dear,

To rectify your problem, Perfrom these steps.
Self-Test Feature Check (STFC) Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps:
  1. Turn off both your computer and monitor.
  2. Unplug the video cable from the back of the computer. To ensure proper Self-Test operation, remove both Digital (white connector) and the Analog(blue connector) cables from the back of the computer.
  3. Turn on the monitor.




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* If the issue is visible in the monitor STFC (Self-Test Feature Check), the monitor is defective. * If not, the issue is with either the video card driver or the video card.
* Turn off both your PC and monitor * Disconnect the monitor from the PC (either the white DVI or the blue VGA. They should never be connected at the same time to one PC) * Turn the monitor on * The floating Dell red/green/blue/white dialog box should appear on a black background * Check for the issue

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The screen has a box that says : 1:Analog input Self Test Feature Check Red (line across) Green (line across) Blue (line across) White (line across) if you push the menu botton you get a other screen...


The issue is that the monitor in not getting the signal. This tells me that the video adapter ( or on board video) has went bad. Try another video card if all your doing is social media and surfing you can pick one up for around 20.00

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Monitor STFC (Self Test Feature Check)
* Turn off the monitor
* Plug the monitor power cord directly into the wall socket to remove any surge protectors or APCs from the troubleshooting equation
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* The floating red/green/blue/white dialog box should appear on screen against a black background. What appears?

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Your video output is bad. Either the video card, or the onboard video built into the computer. You need to swap out the card or add a card to bypass the built in video port on your computer.

Thanks and please take a moment to rate as fixya.

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Dell172fpb 17" monitor


Self-Test Feature Check (STFC) Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps:
  1. Turn off both your computer and the monitor.
  2. Unplug the video cable from the back of the computer. To ensure proper Self-Test operation, remove Analog (blue connector) cables from the back of computer.
  3. Turn on the monitor. The floating 'Dell - self-test Feature Check' dialog box should appear on-screen (against a black background) if the monitor cannot sense a video signal and is working correctly. While in self-test mode, the power LED remains green and the self-test pattern will scroll through the screen continually.
  4. Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor.
If your monitor screen remains blank after you use the previous procedure, check your video controller and computer system; your monitor is functioning properly.

Thanks
proton

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