Question about Dell E773C 17" CRT Monitor

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Dell 17" monitor

Periodically, the contrast menu will appear on the screen by itself. When the exit button is pushed, the contrast menu will disappear for a few moments, only to reappear again. This will usually happen 4-6 times in a row, and then the problem goes away for a while. Is this a known problem?

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  • Anonymous Dec 04, 2007

    I agree that the problem is the button. I just had the same problem. Having the contrast menu pop-up is a pain as it is "always on top" I think I have it fixed. This is what I did. (Don't be stupid and take the case off BTW - You could get zapped - even if it's unplugged (capacitors)) I got a Heavy duty vacuum put the nozzle right up to those 4 buttons, and tapped on the buttons (it got the dust out of the contacts behind the buttons) repeatedly, Problem went away. I hope the contacts stay clear now.

  • snehroo Jul 24, 2008

    Periodically, the luminance menu will appear on the screen by itself. When the exit button is pushed, the luminance menu will disappear for a few moments, only to reappear again. Is this a known problem?


  • Starrymom3 Aug 30, 2008

    The Contrast bar keeps coming up on my computer. We tried resetting it, but I have a block on my computer that says Contrast in red, a red bar, and under it 100. It goes away, then comes back. If the button is stuck, how do I unstick it?

  • mac2life Oct 09, 2008

    My monitor displays the contras and somthing about Luminance Temperatura on screen.. HOw do I get this to go away forever? It gets on my nerves...

  • Anonymous Jan 05, 2009

    my monitor displays the same messenge, but it is AOC

  • perfumatto Jan 19, 2009

    My monitor displays the contras and somthing about Luminance Temperatura on screen.. HOw do I get this to go away?

  • sailudavey Jan 20, 2009

    the "luminance temperatura" stays in the middle of the computer screen and refuses to go away...even changing the resolution does not help!! somebody please find a solution to this!! any help will be greatly appreciated..!!

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I had a simalar problem with my Dell 2001FP. The issue is that there is false triggering of the switch; you need to open the front panel, and electrically remove the swictch from the circuit by: 1) analyze the circuit; its usally pretty simple - a voltage drop circuit. 2) disable the switch by either removing it with a solder gun or, simply by using a sharp blade and cutting the PCB track leading it to it, as I did.(much easier - and reversible!) Fixed my problem.

Posted on Dec 17, 2008

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I believe what you have here is simply the contrast button being stuck. Hope this helps

Posted on Jun 29, 2007

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I hope that this helps fix your problem.

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